Diagram sections — 31 (111 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 76 A/c amplifier assembly (center of dash) A/c blower assembly (center right of dash) A/c comp fuse 10a A/c comp relay A/c evaporator temperature sensor A/c tube & accessory assembly (center front of engine compt) A14 A2 (right front of engine compt) A26 A27 A32 A66 Ab1 Ac1 B bus B26 B39 B49 B50 B55 B63 Bf2 Bus Bus g C19 Canh Canl Color (green) connector housing Computer data lines system Connector housing color (black) Connector housing color (red) Cooler (ambient temperature sensor) thermistor (behind left side of front grille) D11 Damper servo motor (air inlet) Damper servo motor (air mix driver side) Damper servo motor (air mix front passenger side) Damper servo motor (air vent mode) Driver side j/b assembly (left end of dash) Ecu-ig 2 fuse 10a Engine room r/b assembly (left side of engine compt) F42 Fa1 Gnd Heater control assembly Hot at all times Hot in on or start Ig+ Ig1 fuse 7.5a Ill+ Ill- Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c a37 (left side of engine compt) J/c f64 (center left of dash) Lin1 Lock Magnet clutch compressor assembly (left front of engine) Magnetic clutch Mg+ Mgc Mhtr Mir htr relay Pnk Pre Pressure switch Ptc1 Ptc3 Red Sensor lock Sg-2 Sg-3 Ssr+ Ssr- Tam Z14 Automatic A/C Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 68 (center right of dash) blower w/ fan motor sub-assembly A/c amplifier assembly (center of dash) A/c fuse 7.5a A1 (left front of engine compt) A24 A96 Ac1 Act Alt Automatic light control sensor (top center of dash) B37 B38 Blw C38 Ca1 Canh Canl Computer data lines system Cooler (room temperature sensor) thermistor (center left of dash) Def relay Defogger system Deicer relay Driver side j/b assembly (left end of dash) Ecm (right end of dash) Efi engine coolant temperature sensor (rear of engine) Engine room r/b 3 assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) Ethw F42 F50 F85 F86 F87 Fa1 Fa2 Fa3 Fa5 Fdef Fdfi Fg1 Generator assembly (w/ ptc heater) Gnd Hot at all times Htr fuse 50a J/b 5 (center of dash) J/c a38 (left side of engine compt) J/c f63 (left kick panel) J/c f65 (right kick panel) Lin1 Pnk Ptc htr 1 fuse 50a Ptc htr 2 fuse 30a Ptc htr 3 fuse 30a Ptc relay 1 (if equipped) Ptc relay 2 (if equipped) Ptc relay 3 (if equipped) Ptc2 Quick heater assembly (w/ ptc heater) (center left of dash) Rdef Red Sg-1 Solar sensor Sw 1 Thw Tsd Tsl Tsp Tsr Manual A/C Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Manual A/C Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 75 A/c amplifier assembly (center of dash) A/c blower assembly (center right of dash) A/c comp fuse 10a A/c comp relay A/c evaporator temperature sensor A/c tube & accessory assembly (center front of engine compt) A14 A2 (right front of engine compt) A26 A27 A32 A66 Ab1 Ac1 B bus B26 B39 B49 B50 B55 B63 Bf2 Bus Bus g C19 Canh Canl Color (green) connector housing Computer data lines system Connector housing color (black) Connector housing color (red) Cooler (ambient temperature sensor) thermistor (behind left side of front grille) D11 Damper servo motor (air inlet) Damper servo motor (air mix) Damper servo motor (air vent mode) Driver side j/b assembly (left end of dash) Ecu-ig 2 fuse 10a Engine room r/b assembly (left side of engine compt) F42 Fa1 Gnd Heater control assembly Hot at all times Hot in on or start Ig+ Ig1 fuse 7.5a Ill+ Ill- Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c a37 (left side of engine compt) J/c f64 (center left of dash) Lin1 Lock Magnet clutch compressor assembly (left front of engine) Magnetic clutch Mg+ Mgc Mhtr Mir htr relay Pnk Pre Pressure switch Ptc1 Ptc3 Red Sensor lock Sg-2 Sg-3 Ssr+ Ssr- Tam Z14 Manual A/C Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Manual A/C Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 59 (center right of dash) blower w/ fan motor sub-assembly A/c amplifier assembly (center of dash) A/c fuse 7.5a A1 (left front of engine compt) A24 A96 Ac1 Act Alt B37 B38 Blw C38 Ca1 Canh Canl Computer data lines system Def relay Defogger system Deicer relay Driver side j/b assembly (left end of dash) Ecm (right end of dash) Efi engine coolant temperature sensor (rear of engine) Engine room r/b 3 assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) Ethw F42 F50 F85 F86 F87 Fa1 Fa2 Fa3 Fa5 Fdef Fdfi Generator assembly (w/ ptc heater) Gnd Hot at all times Htr fuse 50a J/b 5 (center of dash) J/c a38 (left side of engine compt) J/c f63 (left kick panel) J/c f65 (right kick panel) Lin1 Pnk Ptc htr 1 fuse 50a Ptc htr 2 fuse 30a Ptc htr 3 fuse 30a Ptc relay 1 (if equipped) Ptc relay 2 (if equipped) Ptc relay 3 (if equipped) Ptc2 Quick heater assembly (w/ ptc heater) (center left of dash) Rdef Red Sw 1 Thw
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 3) for Toyota 4Runner Limited 2012 List of elements for Anti-lock Brakes Wiring Diagram (1 of 3) for Toyota 4Runner Limited 2012: 62 (left side of dash) dlc 3 (left side of engine compt) j/c a39 +b2 ill+ ill- e +bm1 +bm2 +bs A1 (left front of engine compt) A2 (right front of engine compt) Abs 1 fuse 50a Abs 2 fuse 30a Atrc Az2 Brake fluid level warning switch (on brake fluid reservoir) Canh Canl Computer data lines system Csw D26 Downhill assist control switch (4wd w/o crawl control) Driver side j/b assembly (left end of dash) Engine room r/b assembly (left side of engine compt) Ex13 Exi Fa1 Fl+ Fl- Fr+ Fr- Fs1 Gnd Gnd1 Gnd2 Gnd3 Hdcs Hot at all times Hot in or or start Ig1 Ig2 Ign fuse 10a Interior lights system J/c a36 (left end of dash) J/c f63 (left kick panel) J/c u7 (overhead console) Lbl Pnk Red Right front speed sensor (right front wheel hub assembly) Rl+ Rl- Rr+ Rr- Skid control ecu w/ actuator assembly (left rear of engine compt) Stop fuse 10a Stop lamp relay Stop light switch assembly Stp Stp2 Stpo Su1 Traction control switch (4wd) Vsc off Vsc off switch Anti-lock Brakes Wiring Diagram (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Anti-lock Brakes Wiring Diagram (2 of 3) for Toyota 4Runner Limited 2012: 39 2wd 4wd 4wd (vf2a) 4wd (vf4bm) A18 Add Ao1 Az3 B2 (right rear of engine) B22 B54 Bd1 Bf1 Bf2 C31 Cdl D11 D30 D31 Differential vacuum actuator assembly (front of engine) Driver side j/b assembly (left end of dash) Ecu-ig 1 fuse 10a F20 Fa1 Gnd Hot in on or start Ig1 fuse 7.5a J/b 5 (center of dash) J/c a36 (left end of dash) J/c a37 (left side of engine compt) Left front speed sensor (left front wheel hub assembly) O1 (left "b" pillar) Qd1 Qo1 Qz1 Rear differential lock indicator switch (w/ crawl control) Red Right rear speed sensor (right rear wheel hub assembly) Transfer shift actuator assembly (transmission assembly) Anti-lock Brakes Wiring Diagram (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Anti-lock Brakes Wiring Diagram (3 of 3) for Toyota 4Runner Limited 2012: 76 +b ig 2wd 4wd (vf4bm) A-trac ind A52 A64 A65 A68 A76 A80 A82 Abs ind Ao1 Auto lsd ind B14 B2 (right rear of engine) B22 B23 B35 B63 Bat Becu Bf1 Brake ind C20 C55 Canh Canl Combination meter assembly Computer data lines system Control ind assist Crawl ind D17 D39 Down hill Drive monitor switch (w/ crawl control) Driver side j/b assembly (left end of dash) Ecu-b fuse 10a Engine room r/b assembly (left side of engine compartment) Ess F55 F56 Four wheel drive control ecu (right side of dash) Fs1 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Ig+ J/b 4 (left side of dash) J/b 5 (center of dash) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) Left rear speed sensor (left rear wheel hub assembly) Lin Lint Main body ecu Mgnd Multi terrain Parking brake switch assembly Pkb Qo1 Qz1 Red Rlp canh canl 4wd 4wdl f47 Select ind Slip ind Steering sensor (left side of dash) Su1 Trac off ind Transfer indicator switch (4wd position) (transmission assembly) Transfer indicator switch (l4 position) (transmission assembly) Vsc off W/ crawl control Yaw rate sensor assembly (below front of center console)
ANTI-THEFT Forced Entry Wiring Diagram, with Smart Key System (2 of 5) for Toyota 4Runner Limited 2012 List of elements for Forced Entry Wiring Diagram, with Smart Key System (2 of 5) for Toyota 4Runner Limited 2012: 67 (center front of engine compt) low pitched horn assembly (lower center of liftgate) multiplex network door ecu (rear of left front door) (rear of right front door) Back door opener switch Bdcy Bdr Becu C31 Ctye D33 Dome fuse 10a Door back fuse 30a Driver side j/b assembly (left side of engine compt) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F11 F30 F32 F57 F58 Fn1 Fo1 Gnd Hf1 High pitched horn assembly (center front of engine compt) Horn fuse 10a Horn relay Hot at all times Hot in on or start Hsw+ Hsw- Hswz If1 If2 Interior lights system J/c f57 & f58 (right end of dash) J/c h8 (front of right front door) J/c i8 (front of left front door) J/c o18 (base of left "c" pillar) Jn1 Ko1 Left front door w/ motor lock assembly Left rear door w/ License plate light assembly Lock Lock key Lssr Motor lock assembly Mpx1 N1 (right "b" pillar) O1 (left "b" pillar) O2 (base of left "d" pillar) Oo1 Pnk Red Right front door w/ motor lock assembly Right rear door w/ Sig Sup2 Tion detec- unlock Un- key Vo1 Vo2 W10 Forced Entry Wiring Diagram, with Smart Key System (3 of 5) for Toyota 4Runner Limited 2012 List of elements for Forced Entry Wiring Diagram, with Smart Key System (3 of 5) for Toyota 4Runner Limited 2012: 77 (center left of dash) engine switch (left rear of engine compt) (right end of dash) A12 A16 A59 A64 A66 Accd Am21 Am22 Antenna coil Assembly B20 B25 B35 B36 B37 B59 B62 B63 B69 Bf1 Bf2 C16 C20 C56 Ca1h Ca1l Ca3n Ca3p Canh Canl Computer data lines system Ecm Engine room r/b assembly (left side of engine compt) F50 F80 F81 Fa2 Gnd Gnd2 Hot at all times Ig1d Ig2d Imi Imo Inds Indw J/b 4 (left side of dash) J/b 5 (center of dash) J/c a36 (left end of dash) J/c f64 (center left of dash) Lin2 Neo Park/neutral position switch (right side of transmission) Pnk Power distribution system Power management control ecu (center of dash) Red Shift interlock system Shift lock control ecu sub-assembly (under center console) Skid control ecu w/ actuator Slp Slr+ Sp1 Spd Ss1 Ss2 Ssw1 Ssw2 Sta Star Starting/ charging system Stop fuse 10a Stop light switch assembly Stp1 Forced Entry Wiring Diagram, with Smart Key System (4 of 5) for Toyota 4Runner Limited 2012 List of elements for Forced Entry Wiring Diagram, with Smart Key System (4 of 5) for Toyota 4Runner Limited 2012: 48 (center left of dash) id code box (center of dash) j/b 5 (left front of engine compt) a1 (left side of dash) j/b 4 A48 A49 A53 A57 A68 B14 B22 B27 B30 B63 B68 B71 Buzzer C15 C17 C51 C55 C57 C60 Combination meter assembly Computer data lines system Door ind Driver side j/b assembly (left end of dash) Efii Efio Engine hood courtesy switch (center front of engine compt) Engine room r/b assembly (left side of engine compt) Fa2 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Ign fuse 10a Ind J/b 4 (left side of dash) J/c f64 (center left of dash) Lin1 Pnk Red S-horn relay Security fuse 10a Security horn assembly (right side of engine compt) Smart fuse 7.5a Smart key Forced Entry Wiring Diagram, with Smart Key System (5 of 5) for Toyota 4Runner Limited 2012 List of elements for Forced Entry Wiring Diagram, with Smart Key System (5 of 5) for Toyota 4Runner Limited 2012: 80 (base of left "c" pillar) (center console) front indoor electrical key antenna assembly (center of dash) j/b 5 (center of luggage compt) A50 A51 A52 A55 A60 A62 A63 A64 A66 A69 Agnd Ant1 Ant2 B35 B59 Canh Canl Certification ecu assembly (center side of dash) Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Clg1 Clg2 Clg5 Clg6 Clg7 Clg8 Clgb Code Computer data lines system Cutb Data Door control receiver (rear of left "c" pillar) F78 F79 Fn1 Fo1 Gnd Hf1 Hf2 If1 If2 Ind Indoor luggage compartment electrical key antenna assembly J/b 4 (left side of dash) J/c f64 (center left of dash) Left front outside electrical key antenna Lh1 Lin Mi1 O2 (base of left "d" pillar) Outside luggage electrical key antenna (center rear of luggage compt) Pnk Pos1 Pos2 Rco Rda Rear indoor electrical key antenna assembly Red Right front outside electrical key antenna (top rear of right front door) Rssi Security indicator light assembly Sen1 Sen2 Sens Swil Trg+ Tsw1 Tsw2 Tsw5 Tsw6 Txct Vc5 Forced Entry Wiring Diagram, without Smart Key System (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Forced Entry Wiring Diagram, without Smart Key System (2 of 3) for Toyota 4Runner Limited 2012: 67 (center front of engine compt) low pitched horn assembly (front of right front door) j/c h8 (lower center of liftgate) multiplex network door ecu (rear of left front door) (rear of right front door) Back door opener switch Bdcy Bdr Becu Bkl Bkul C31 Ctye D33 Dome fuse 10a Door back fuse 30a Driver side j/b assembly (left end of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F11 F30 F32 F57 F58 Fn1 Gnd Hf1 High pitched horn assembly (center front of engine compt) Horn fuse 10a Horn relay Hot at all times Hot in on or start Hsw+ Hsw- If1 If2 Interior lights system J/c f57 & f58 (right end of dash) J/c i8 (front of left front door) J/c o18 (base of left "c" pillar) Jn1 Keye Ko1 Left front door w/ motor lock assembly Left rear door w/ License plate light assembly Lock Lock key Lssr Motor lock assembly Mpx1 N1 (right "b" pillar) O1 (left "b" pillar) O2 (base of left "d" pillar) Oo1 Pnk Red Right front door w/ motor lock assembly Right rear door w/ Sig Tion detec- unlock Un- key Vo1 Vo2 W10 Forced Entry Wiring Diagram, without Smart Key System (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Forced Entry Wiring Diagram, without Smart Key System (3 of 3) for Toyota 4Runner Limited 2012: 54 (left front of engine compt) a1 (left rear of engine compt) wireless door lock buzzer (rear of left "c" pillar) door control receiver (right end of dash) ecm A1 (left front of engine compt) A64 A74 B14 B35 B36 B59 B63 Bf2 Buzzer C20 C28 C29 C33 C55 Canh Canl Combination meter assembly Computer data lines system Door ind Drive side j/b assembly (left end of dash) Engine hood courtesy switch (center front of engine compt) Engine room r/b assembly (left side of engine compt) F50 Fo1 Fs1 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start J/b 4 (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) Light ind cylinder ignition key Lock O2 (base of left "d" pillar) Park/neutral position switch (right side of transmission) Pnk Prg Rda Red Room light assembly 1 S-horn relay Security fuse 10a Security horn assembly (right side of engine compt) Security indicator light assembly Tail gate control switch assembly Transponder key amplifier (right side of steering column) Un-lock warning switch assembly Unlock Immobilizer Wiring Diagram, with Smart Key System for Toyota 4Runner Limited 2012 List of elements for Immobilizer Wiring Diagram, with Smart Key System for Toyota 4Runner Limited 2012: 33 (center of dash) certification ecu assembly A12 A48 A59 B62 B63 B68 B69 B71 C48 C60 Ecm (right end of dash) Efii Efio Engine room r/b assembly (left side of engine compt) F50 F79 F80 Fa2 Gnd Hot at all times Id code box (center left of dash) Imi Imo J/b 4 (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) Lin Lin1 Lin2 Power management control ecu (center of dash) Smart fuse 7.5a Steering lock actuator assembly (right of steering column) Immobilizer Wiring Diagram, without Smart Key System for Toyota 4Runner Limited 2012 List of elements for Immobilizer Wiring Diagram, without Smart Key System for Toyota 4Runner Limited 2012: 54 A37 A49 Agnd Ant1 Ant2 B19 B31 B34 B35 B59 B61 B62 B63 B65 B66 C28 C33 C51 Code Computer data lines system Cty Driver side j/b assembly (left end of dash) Ecm (right end of dash) Efii Efio Engine room r/b assembly (left side of engine compt) F27 F50 Fa2 Gnd Hot at all times Hot in on or start Ign fuse 10a Ignition key cylinder light ind Ill+ Ill- Imi Imo Ind Interior lights system J/b 4 (left side of dash) J/c f64 (center left of dash) Ksw Left front door courtesy light switch assembly Pnk Red Security fuse 10a Security indicator light assembly Transponder key amplifier (right side of steering column) Transponder key coil Transponder key ecu assembly (center left of dash) Txct Un-lock warning switch Vc5
BODY CONTROL MODULES Body Control Modules Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 53 (center of dash) power steering ecu assembly (right end of dash) j/c f83 (right side of dash) (w/ 4wd) A/c amplifier assembly (center of dash) Ca1h Ca1l Ca3n Ca3p Canh Canl Canl canh Cann Canp Certification ecu assembly (w/ smart key system) (center of dash) Cspt Door locks & anti-theft systems Drive monitor switch (w/ crawl control) Ecm (right end of dash) F10 F47 F50 F55 F56 F79 F80 Fg1 Flcl Four wheel drive control ecu Fs1 Fuel doors systems Gnd2 Interior lights & trunk, tailgate, Interior lights system J/c f55 & f56 (left side of dash) J/c f60 (right end of dash) J/c f63 (left kick panel) Lcty Lswr Main body ecu (driver side j/b assembly) Mile Pnk Power management control ecu (w/ smart key system) (center of dash) Red Rwls Rwsw Su1 W/ navigation W/ smart key system W/o navigation W/o smart key system Wiper/washer system Yaw rate sensor assembly (below front of center console)
COMPUTER DATA LINES Computer Data Lines Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 45 (center of dash) (w/ smart key system) power management control ecu (right end of dash) ecm Airbag sensor assembly (below center of dash) B1 (right rear of engine) Bat Bf1 C29 Ca1h Ca1l Ca3n Ca3p Canh Canl Cann Canp Combination meter assembly Dlc 3 (left side of dash) Driver side j/b assembly (left end of dash) F10 F33 F50 F53 F80 F88 Fa1 Fa2 Fs1 Hot at all times J/c a36 (left end of dash) J/c f59 (left end of dash) J/c f83 (right end of dash) Main body ecu (driver side j/b assembly) Obd fuse 7.5a Option connector (remote engine start) (w/o smart key system) (right end of dash) Pnk Rdg+ Rdg- Red Sil Skid control ecu w/ actuator assembly (left rear of engine compt) Stabilizer control ecu (w/ kinetic dynamic suspension system) (left of steering column) Tac Tach Transponder key ecu assembly (w/o smart key system) (center left of dash) W/ smart key system Computer Data Lines Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 54 A/c amplifier assembly (center of dash) A32 A40 A43 B10 B11 B12 B16 B28 B35 B70 B72 C22 C54 C56 Canh Canl Cann Canp Dcm (telematics transceiver) (center right of dash) Dia Drive monitor switch (w/ crawl control) F42 F47 F79 certification ecu assembly (w/ smart key system) (center of dash) Fg1 Fn1 Four wheel drive control ecu (4wd) (right side of dash) G13 G14 G20 G31 J/b 4 (left side of dash) J/b 5 (center of dash) J/c f60 (right end of dash) J/c f64 (center left of dash) J/c g13 & g14 (top left side of dash) Navigation receiver assembly (w/ navigation system) (center of dash) radio & display receiver assembly (w/ radio & display receiver assembly) Na2 Occupant detection ecu (under front passenger's seat) Pnk Power steering ecu assembly (center of dash) Red Sil Steering sensor (left side of dash) Su1 Tire pressure warning ecu (right side of dash) W/ navigation W/ radio & display receiver assembly W/ safety connect W/ smart key system W/o navigation W/o smart key system Yaw rate sensor assembly (below front of center console)
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Cruise Control Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 72 (center of dash) j/b 5 (left front of engine compt) a1 (left side of engine compt) j/c a39 +b2 +bm A16 A49 A64 Abs 2 fuse 30a Accelerator pedal sensor assembly (left side of dash) B1 (right rear of engine) B25 B27 B35 B36 B38 B39 B59 Batt Bf2 C15 C20 C31 C51 C55 Canh Canl Ccs Computer data lines system D26 Driver side j/b (left end of dash) Ecm (right end of dash) Ecu-ig1 fuse 10a Efi fuse 25a Efi main relay Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) Epa Epa2 Eta Etcs fuse 10a F50 F51 Fa2 Gauge fuse 7.5a Ge01 Hot at all times Hot in on or start Ign fuse 10a Igsw J/b 4 (left side of dash) J/b 5 (center of dash) J/c a36 (left end of dash) J/c a38 (left side of engine compt) J/c f57 (right end of dash) Mrel Nca Pnk Red Spd St1- Stop fuse 10a Stp Throttle w/ motor body assembly (throttle body assembly) Vcp2 Vcpa Vcta Vpa Vpa2 Vta Vta1 Vta2 Cruise Control Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Cruise Control Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 51 (left front wheel hub assembly) left front speed sensor (left rear wheel hub assembly) left rear speed sensor (right front wheel hub assembly) right front speed sensor (right rear wheel hub assembly) right rear speed sensor +bs +res -set A1 (left front of engine compt) Ao1 Az2 Az3 B1 (right rear of engine) B14 B20 B52 B63 B64 Bf1 C16 C36 C58 Cancel Canh Canl Combination meter assembly Computer data lines system Cruise control switch Cruise ind F23 Fa2 Fl+ Fr+ fl- Fr- Gnd1 J/b 4 (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) On-off Park/neutral position switch (right side of transmission) Qo1 Qz1 Red Rl+ Rl- Rr+ Rr- Set ind Skid control ecu w/ actuator assembly (left rear of engine compt) Sp1 Speedometer Spiral cable sub assembly (top of steering column)
DEFOGGERS Front Deicer Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Front Deicer Wiring Diagram for Toyota 4Runner Limited 2012: 37 A/c amplifier assembly (center of dash) A1 (left front of engine compt) A27 A66 B26 B39 B41 C19 Canh Canl Computer data lines system D27 Deicer Deicer fuse 20a Deicer relay Driver side j/b (left end of dash) Ecu-ig 2 fuse 10a Engine room r/b (left side of engine compt) F42 F87 Fa1 Fdef Fdfi Front window deicer switch (outer mirror heater switch assembly) Front wiper deicer (windshield glass) (right rear of engine compt) Hot at all times Hot w/ ig 1 relay energized Ig+ Ill+ Ill- Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c a37 (left side of engine compt) Pnk Red Sw1 Mirror Heater & Rear Defogger Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Mirror Heater & Rear Defogger Wiring Diagram for Toyota 4Runner Limited 2012: 53 A/c amplifier assembly (center of dash) A1 (left front of engine compt) Ao1 C27 C28 Canh Canl Computer data lines system D27 D31 D32 Def fuse 30a Def relay Driver side j/b (left end of dash) Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a Engine room r/b assembly (left side of engine compt) F42 Fa1 H1 (rear of right front door) Heater control assembly Hf1 Hl+ Hl- Hot at all times Hot w/ ig 1 relay energized Hr+ Hr- I1 (rear of left front door) If1 J/c a36 (left end of dash) J/c a37 (left side of engine compt) J/c a38 (left side of engine compt) J/c h8 (front of right front door) J/c i8 (front of left front door) Left outer rear view mirror assembly Lin1 Mhtr Mir htr fuse 10a Mir htr relay Mirror heater Noise filter O2 (base of left "d" pillar) Outer rear view mirror Pnk Rdef Rear window defogger & mirror heater switch Rear window defogger (back door glass) (rear window) Right outer rear view mirror assembly Vo1 Vw1 W/ turn signal light W/o turn signal light
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Electronic Power Steering Wiring Diagram for Toyota 4Runner Limited 2012: 48 (center left of dash) (center left of dash) j/c f64 (left kick panel) A30 A36 A64 A66 A68 B14 B22 B35 B63 Bat Bf1 C20 C31 C55 Canh Canl Combination meter assembly Computer data lines system D39 Driver side j/b (left end of dash) Ecu-b fuse 10a Ecu-ig 1 fuse 10a Engine room r/b assembly (left side of engine compt) Ess F55 F56 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Ig+ J/b 4 (left side of dash) J/b 5 (center of dash) J/c f55 & f56 (left side of dash) J/c f63 J/c f64 J/c f64 (center left of dash) Mgnd Power steering ecu assembly (center of dash) Power steering ind Red Sof+ Sof- Solenoid valve assembly (right front of engine) Steering sensor (left side of dash)
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Electronic Suspension Wiring Diagram for Toyota 4Runner Limited 2012: 59 (left "b" pillar) o1 A33 A66 A68 Accumulator housing assembly (base of left "b" pillar) B14 B15 B20 B22 B63 Becu C55 Canh Canl Combination meter assembly Computer data lines system D39 Driver side j/b assembly (left end of dash) Ecu-b fuse 10a Engine room r/b assembly (left side of engine compt) F27 F55 F56 Flcy Fn1 Fo1 Fo2 Frcy Gauge fuse 7.5a Gnd Hot at all times Hot in on or start J/b 4 (left side of dash) J/b 5 (center of dash) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) J/c n22 (above right rear wheelwell) J/c o18 (base of left "c" pillar) Kdss fuse 10a Kdss ind Lcty Left front door courtesy light switch assembly Left rear door courtesy light switch assembly Main body ecu Oil pressure sensor Pnk Rcty Red Right front door courtesy light switch assembly Right rear door courtesy light switch assembly Sbp1 Sgp1 Slal Slau Sop1 Stabilizer control ecu (left of steering column) Stabilizer control w/ Valve
ENGINE PERFORMANCE
4.0L 4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota 4Runner Limited 2012 List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 6) for Toyota 4Runner Limited 2012: 70 (left front of engine compt) a1 (left side of engine compt) j/c a38 +b2 4wd A/f fuse 20a A/f relay A66 Ac1 Act Air conditioning system Air conditioning system computer data lines system Anti-theft system Ao1 B10 Batt Bf1 C/opn relay Canh Canl Cann Canp Ccs Computer data lines system Cruise control system Ecm (right end of dash) Efi 2 fuse 7.5a Efi fuse 25a Efi main relay Els2 Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) Epa Epa2 F50 F51 Fa1 Fa2 Fo1 Fp- Fpc Fuel pump (fuel tank) Fuel pump control ecu assembly (left side of luggage compt) Hot at all times Igsw Imi Imo J/b 5 (center of dash) J/c a39 (left side of engine compt) J/c f57 (right end of dash) J/c f64 (center left of dash) Mpmp Mrel O1 (left "b" pillar) Pnk Qo3 Red Sftd Sftu Spd St1- Sta Starting/charging system Stp Tach Tfn Vcp2 Vcpa Vpa Vpa2 Vpmp 4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota 4Runner Limited 2012 List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 6) for Toyota 4Runner Limited 2012: 77 (front of engine) (4wd (vf2a)) differential vacuum actuator assembly (left end of dash) j/c a36 (left side of dash) accelerator pedal sensor assembly (left side of dash) j/b 4 (right side of cargo area) voltage inverter assembly (right side of dash) (4wd (vf2a)) four wheel drive control ecu (transmission assembly) (4wd (vf2a)) transfer indicator switch (neutral position) A16 A49 A65 Ab1 Add Ao1 B1 (right rear of engine) B2 (right rear of engine) B27 B50 B54 Bd1 Bf1 Bf2 C15 C51 C54 Canh Canister pressure sensor Canister pump module (rear of vehicle) Canl Computer data lines system D26 Driver side j/b assembly (left end of dash) Engine room r/b assembly (left side of engine compt) Epa Epa2 Ex+ Ex- Excd F47 Fa2 Fn1 Fo1 Gnd Hot at all times Hot w/ ig2 relay energized Ign fuse 10a J/b 5 (center of dash) J/c a36 (left end of dash) J/c a37 (left side of engine compt) J/c f64 (center left of dash) Leak detection pump Mgnd Mtrb N19 Pnk Red Sftd Sftu Sgnd Skid control ecu w/ actuator assembly (left rear of engine compt) Sp1 Stop fuse 10a Stop light switch assembly Transmission control switch (center console) Vc2 Vcc Vcp2 Vcpa Vent valve Vgnd Vlvb Vout Vpa Vpa2 Vvr+ Vvr- Vvt sensor (bank1 exhaust side) (right side of engine) Vvt sensor (bank1 intake side) (front of right cylinder head) 4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota 4Runner Limited 2012 List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 6) for Toyota 4Runner Limited 2012: 67 (center of dash) j/b 5 (right side of transmission) park/neutral position switch A/t oil temperature ind A64 B20 B25 B35 B36 B59 Bf2 Buzzer C16 C20 C31 C55 C57 Camshaft timing oil control valve (bank 2 exhaust side) (top right of engine) Camshaft timing oil control valve (bank 2 intake side) (top right of engine) Canh Canl Chk Combination meter assembly Computer data lines system Crankshaft position sensor (left side of engine) Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu ig 1 fuse 10a Ev1+ Ev1- Ev2+ Ev2- Ex+ Ex- Ex1b Ex2b F56 Gauge fuse 7.5a Hot w/ ig 1 relay energized Hot w/ ig2 relay energized Ig+ J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 (right side of dash) J/c f55 & f56 (left side f55 of dash) J/c f63 (left kick panel) Lcd Malfunction indicator lamp Mgnd Ne+ Ne- Oc2+ Oc2- Oe2+ Oe2- Ox1b Ox2b Pnk Red Starting/charging system Vc2 Vcv1 Vcv2 Vv1+ Vv1- Vv2+ Vv2- Vvt sensor (bank 2 exhaust side) (left side of engine) 4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota 4Runner Limited 2012 List of elements for 4.0L, Engine Performance Wiring Diagram (4 of 6) for Toyota 4Runner Limited 2012: 52 (transmission assembly) electronically controlled transmission solenoid A68 Alt B14 B22 B37 Camshaft timing oil control valve (bank 1 exhaust side) (top left of engine) Camshaft timing oil control valve (bank 1 intake side) (top left of engine) D39 Door locks & anti-theft systems Driver side j/b assembly (left end of dash) E2g Ecm (right end of dash) Ecu-b fuse 10a Ekn2 Eknk Engine room r/b assembly (left side of engine compt) Etha Ethw Hot at all times Igt6 J/b 4 (left side of dash) Knk1 Knk2 Neo Nsw Oc1+ Oc1- Oe1+ Oe1- Ot+ Ot- Ot2+ Ot2- Pnk Power steering oil pressure switch (right front of engine compt) Ppmp Psp Red Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Starting/ charging system Tha Vvl+ Vvl- Vvt sensor (bank 2 intake side) (front of left cylinder head) 4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota 4Runner Limited 2012 List of elements for 4.0L, Engine Performance Wiring Diagram (5 of 6) for Toyota 4Runner Limited 2012: 32 (left exhaust pipe) air fuel ratio sensor (bank 2 sensor 1) (left exhaust pipe) oxygen sensor (bank 2 sensor 2) (right exhaust pipe) air fuel ratio sensor (bank 1 sensor 1) (right exhaust pipe) oxygen sensor (bank 1 sensor 2) (right side of dash) j/c b48 (right side of dash) j/c b49 (transmission assembly) transmission revolution sensor (counter gear) (transmission assembly) transmission revolution sensor (turbine) A1a+ A1a- A2a+ A2a- B1 (right rear of engine) Be1 E2g Ha1a Ha2a Ht1b Ht2b Intake mass air flow meter sub assembly (right side of engine compt) Knock control sensor (bank 1) (top of engine) Knock control sensor (bank 2) (top of engine) Nca Ox1b Ox2b Pnk Purge vsv (top left rear of engine) Red Tha Throttle w/ motor body assembly (throttle body assembly) Vta Vta2 4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota 4Runner Limited 2012 List of elements for 4.0L, Engine Performance Wiring Diagram (6 of 6) for Toyota 4Runner Limited 2012: 70 (top left of engine) fuel injector assembly 2 (top left of engine) fuel injector assembly 4 (top left of engine) fuel injector assembly 6 (top right of engine) fuel injector assembly 1 (top right of engine) fuel injector assembly 3 (top right of engine) fuel injector assembly 5 +bm A1a+ A1a- A2a+ A2a- Ab1 B1 (right rear of engine) B2 (right rear of engine) B38 B39 Bf2 E01 E02 E03 E04 E05 Ecm (right end of dash) Efi engine coolant temperature sensor (rear of engine) Engine room r/b assembly (left side of engine compt) Eta Etcs fuse 10a Fa2 Ge01 Gnd Ha1a Ha2a Hot at all times Hot w/ ig2 relay energized Ht1b Ht2b Igf Igf1 Ignition coil assembly 1 (top left of engine) Ignition coil assembly 2 (top right of engine) Ignition coil assembly 3 (top left of engine) Ignition coil assembly 4 (top right of engine) Ignition coil assembly 5 (top left of engine) Ignition coil assembly 6 (top right of engine) Igt1 Igt2 Igt3 Igt4 Igt5 Igt6 Inj fuse 10a J/c b48 (right side of dash) Me01 Nca Nt+ Nt- Pnk Prg Red Sl1+ Sl1- Sl2- Sp2+ Sp2- Tho1 Tho2 Thw Vcta Vta1 Vta2
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Backup Lamps Wiring Diagram for Toyota 4Runner Limited 2012: 32 A64 A70 A71 Alt fuse 140a B33 B35 B57 B59 Backup Bf2 Bk/up relay Bkup lp fuse 10a C20 C22 C23 C31 C40 Driver side j/b assembly (left end of dash) Ecu-ig 1 fuse 10a Engine room j/b assembly (left side of engine compt) Hot at all times Hot in on or start J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 (right side of dash) J/c f64 (center left of dash) J/c o19 (base of left "c" pillar) Left rear combination light assembly O1 (left "b" pillar) Park/neutral position switch (right side of transmission) Red Right rear combination light assembly Exterior Lamps Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 59 (except usa) tail ind A16 A68 Alt fuse 140a B14 B22 B63 Backup Backup lamps circuit C51 Center stop light assembly Combination meter assembly Cruise control system D35 D39 Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu-b fuse 10a Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F29 F50 F81 Fa2 Hot at all times Ig+ J/b 4 (left side of dash) J/b 5 (center of dash) J/c a36 (left end of dash) J/c a37 (left side of engine compt) J/c a39 (left side of engine compt) J/c f64 (center left of dash) J/c o19 (base of left "c" pillar) Left rear combination light assembly Left turn ind License plate light assembly Marker tail/side O1 (left "b" pillar) O2 (base of left "d" pillar) Power management control ecu (center of dash) Red Right rear combination light assembly Right turn ind Shift lock control ecu sub-assembly (under center console) Skid control ecu w/ actuator assembly (left rear of engine compt) Stop Stop fuse 10a Stop light switch assembly Stop lp relay Stp Stp1 Stp2 Stpo Towing fuse 30a Turn Turn & haz fuse 15a Vo1 Vw1 Vx1 Trailer Tow Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Trailer Tow Wiring Diagram for Toyota 4Runner Limited 2012: 58 A1 (left front of engine compt) A56 A57 A69 Ao1 B/up B32 Batt Brk C49 D11 D21 D35 Driver side j/b assembly (left end of dash) Engine room r/b assembly (left side of engine compt) F55 F56 Fa1 Fo1 Gnd Hot at all times Hot in on or start Hot w/ bk/up relay energized Hot w/ tail relay energized Ig1 fuse 7.5a J/b 4 (left side of dash) J/c a36 (left end of dash) J/c a37 (left side of engine compt) J/c a38 (left side of engine compt) J/c a39 (left side of engine compt) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) Ltot O2 (base of left "d" pillar) Ot1 Ot2 Red Rtot Skid control ecu w/ actuator assembly (left rear of engine compt) Stin Stop Stop fuse 10a Stop light switch assembly Stop lp relay Stpo Sttl Sttr Sub batt fuse 30a Sub batt relay Tail Tail fuse 10a Towing bkup fuse 10a Towing brake controller (left end of dash) Towing brk fuse 30a Towing socket Towing tail fuse 30a Towing tail relay Turn signal flasher assembly (left side of dash)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Toyota 4Runner Limited 2012 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Toyota 4Runner Limited 2012: 90 (if equipped) right seat heater sub- assembly (left side of engine compt) engine room j/b assembly (left side of engine compt) engine room r/b 3 assembly (left side of engine compt) engine room r/b assembly (not used) (w/ cruise control) spiral cable sub- assembly (w/ ptc heater) ptc 1 relay (w/ ptc heater) ptc 2 relay (w/ ptc heater) ptc 3 relay A/c tube & accessory assembly A/f relay A1 (left front of engine compt) A14 A15 A16 A2 (right front of engine compt) A24 A25 A26 A41 A42 Air bag sensor assembly Air fuel ratio sensor (bank 1 sensor 1) shield Air fuel ratio sensor (bank 2 sensor 1) shield Az1 B1 (right rear of engine) B38 B39 B52 B64 Bf1 Bf2 Brake fluid level warning switch (brake master cylinder reservoir assembly) C36 C58 Canada Canister pump module Combination meter assembly Crank position sensor shield Dlc 3 Ecm Efi main relay Engine hood courtesy switch F to j/c f64 (diagram 4 of 4) F23 F33 F4 (lower center right of dash) F5 (lower center of dash) Fa2 Fo1 Front fog light assembly Front washer jar & pump assembly Front wiper deicer (windshield glass) Ig 2 relay J/b 4 J/b 5 J/c a38 (left side of engine compt) J/c b49 (right side of dash) J/c a12 Jn1 Ji1 Knock control sensor (bank 1) shield Knock control sensor (bank 2) shield Left front fog light assembly Left front turn signal light assembly Left headlight assembly N1 (right "b" pillar) Noise filter Na1 Na2 Occupant detection ecu Oxygen sensor (bank 1 sensor 2) shield Oxygen sensor (bank 2 sensor 2) shield Right Right front power seat switch assembly Right front turn signal light assembly Right headlight assembly Right rear door w/ motor lock assembly Right rear power window regulator motor assembly Right rear power window regulator switch assembly Side autostep controller ecu assembly Skid control ecu w/ actuator assembly St relay Sub batt relay To ground n2 (diagram 4 of 4) Towing tail relay W/ seat heater W/o seat heater Windshield wiper motor assembly Wireless door lock buzzer Ground Distribution Wiring Diagram (2 of 4) for Toyota 4Runner Limited 2012 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Toyota 4Runner Limited 2012: 65 (4wd (vf4bm)) transfer shift actuator assembly (4wd w/o crawl control) downhill assist control switch (4wd) traction control switch (w/ crawl control) differential lock switch (w/ crawl control) drive monitor switch (w/ ptc heater) quick heater assembly (w/ rear view monitor & w/o navigation system) inner rear view mirror assembly (w/ smart key system) steering lock actuator assembly (w/o rear view monitor & w/ navigation system) inner rear view mirror assembly 4wd (vf2a) Acc relay B2 (right rear of engine) B39 Bd1 Bk dr lock relay Combination meter assembly D-dr unlock relay Differential vacuum actuator assembly Door lock relay Dr unlock relay Driver side j/b Ecm F1 (left kick panel) F10 F20 F55 F56 F86 Fa1 Fs1 I1 (rear of left front door) If2 Ig1 1 relay Ig1 2 relay Ig1 3 relay Ig1 5 relay Ignition coil assembly Ih1 J/c f55 & f56 (left side of dash) J/c f63 J/c i8 (front of left front door) J/c u7 (overhead console) Left front door w/ motor lock assembly Left front power window regulator motor assembly Left outer rear view mirror assembly Left visor assembly Main body ecu Map light assembly Multiplex network master switch assembly Power point socket assembly Right visor assembly Room light assembly Skid control ecu w/ actuator assembly Sliding roof control ecu Su1 To j/c f65 (diagram 3 of 4) Towing brake controller Transfer indicator switch (4wd position) Transfer indicator switch (l4 position) Transfer indicator switch (neutral position) Vsc off switch W/ outer rear view mirror & W/ turn signal light W/o outer rear view mirror & Windshield wiper switch assembly Ground Distribution Wiring Diagram (4 of 4) for Toyota 4Runner Limited 2012 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Toyota 4Runner Limited 2012: 77 (if equipped) left front seat heater control sub- assembly (w/ 15 speaker) stereo component amplifier assembly (w/ crawl control) rear differential lock indicator switch (w/ crawl control) rear differential lock shift actuator (w/ navigation system) navigation receiver assembly (w/ navigation system) stereo component tuner assembly (w/ power outlet (120v)) power outlet socket (w/ power outlet (120v)) voltage inverter assembly (w/ smart key system) left front outside electrical key antenna (w/ smart key system) right front outside electrical key antenna (w/o navigation system) radio receiver assembly (w/o power outlet (120v)) rear power point socket assembly (w/o power seat) left front power seat switch assembly B13 Back door lock assembly Center stop light assembly Door control receiver F2 (center left of dash) Fg1 From ground f4 (diagram 1 of 4) From ground n1 (diagram 1 of 4) From j/b 4 (diagram 3 of 4) From j/b 5 (diagram 3 of 4) Fuel pump control ecu assembly G1 (right end of dash) G21 G24 G28 G33 Hf1 If1 J/c f64 J/c n22 (above right rear wheelwell) J/c b14 J/c b8 Ko1 Kj1 Left front power seat switch assembly Left rear combination light assembly Left rear door w/ motor lock assembly Left rear power window regulator motor assembly Left rear power window regulator switch assembly Lh1 License plate light assembly Mi1 Multiplex network door ecu N14 N16 N2 (base of right "d" pillar) N20 N3 (right front of luggage compt) O1 (left "b" pillar) O10 O11 O2 (base of left "d" pillar) Ot1 Ob1 Qd1 Qo2 Qo3 Radio & display receiver assembly Rear power point socket assembly Rear window defogger (back door glass) Right rear combination light assembly Stabilizer control w/ accumulator housing assembly Towing socket Vo1 Vw1 Vx1 W/ 15 speaker W/ 8 speaker W/ seat heater W/ smart key system W/o power seat W/o seat heater & w/ power seat W/o smart key system Woofer speaker switch
HEADLIGHTS Headlights Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Headlights Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 84 (left kick panel) j/c f63 (left side of dash) j/c f55 & f56 A10 A11 Acc Acc fuse 7.5a Air conditioning Altb Auto drl Automatic light control sensor (w/ automatic light control) (top center of dash) B14 B15 B35 Becu Bfg C10 C11 C12 C37 C55 Canada Canh Canl Cltb Clte Clts Computer data lines system D/l 2 fuse 25a D17 D24 D39 D40 Dim Dimmer switch Driver side j/b (left end of dash) Drl Ecu-ig 2 fuse 10a Except canada F10 F27 F55 F56 Ffgo Ffog Fg1 Flash Flcy Fog fr fuse 15a Fog switch Fr fog relay Frcy Gauge fuse 7.5a Gnd1 Gnd2 Head Headlight dimmer switch assembly High Hot at all times Hot in on or acc Hot in on or start Hot w/ tail relay energized Hrly Interior lights system J/b 4 (left side of dash) J/c f64 (center left of dash) Lcty Lfg Light control Light control switch Low Main body ecu Off drl off Parking brake switch assembly Pkb Pnk Rcty Red System Tail Tail fuse 10a Tsl Tsr W/ automatic W/o automatic Headlights Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Headlights Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 47 (usa) A1 (left front of engine compt) A14 A15 A2 (right front of engine compt) A24 A25 A68 B14 B22 B63 Canh Canl Combination meter assembly Computer data lines system Drl Ecu-b fuse 10a Engine room r/b assembly (left side of engine compt) F55 F56 Fog ind front H-lp hi fuse 20a H-lp hi relay H-lp lh-hi fuse 10a H-lp lh-lo fuse 10a H-lp lo relay H-lp rh-hi fuse 10a H-lp rh-lo fuse 10a High Hot at all times Ig+ Ind beam Ind head J/b 4 (left side of dash) J/c a40 (left side of engine compt) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) Left front fog light assembly Left headlight assembly Low Mgnd Pnk Red Right front fog light assembly Right headlight assembly Turn signal flasher assembly (left side of dash)
HORN Horn Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Horn Wiring Diagram for Toyota 4Runner Limited 2012: 20 (center front of engine compt) B25 D29 Driver side j/b assembly (left end of dash) Engine room j/b assembly (left side of engine compt) F23 High pitched horn assembly (center front of engine compt) Horn Horn fuse 10a Horn relay Horn switch Hot at all times Low pitched horn assembly Main body ecu Spiral cable sub-assembly (top of steering column) Steering pad switch assembly Switch assembly W/ steering pad W/o steering pad Z11
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 99 A38 A50 A66 A82 A86 A87 A91 A94 Acc Acc fuse 7.5a Accessory meter assembly Altb B14 B15 B17 B23 B25 B39 B63 Back door lock assembly (lower center of tailgate) Bdcy Bdr Canh Canl Computer data lines system Courtesy Ctye D/l 2 fuse 25a D17 Dat2 Data Dcm (telematics transceiver) (center right of dash) Door back fuse 30a Drive monitor switch Driver side j/b (left end of dash) Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu ig 2 fuse 10a F11 F27 F51 F80 Fg1 Flcy Fn1 Fo1 Frcy Fs1 G14 G18 G31 Gn2 Hot at all times Hot w/ acc relay energized Hot w/ ig 1 relay energized Ig+ Ill+ Ill- Interior lights system J/b 4 (left side of dash) J/b 4 (w/ crawl control) (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) J/c g13 & g14 (top left side of dash) g13 J/c n22 (above right rear wheelwell) J/c o18 (base of left "c" pillar) Lcty Left front door courtesy light switch assembly Left rear door courtesy light switch assembly Lin Main body ecu Mpx1 Multiplex network door ecu (lower center of liftgate) N11 N19 Navigation receiver assembly (w/ navigation) (center of dash) radio receiver assembly (w/o radio & display receiver assembly) radio & display receiver assembly (w/ radio & display receiver assembly) Parking brake switch assembly Pkb Pnk Power management control ecu (center of dash) Rcty Red Right front door courtesy light switch assembly Right rear door courtesy light switch assembly Spd Spdp Stereo component amplifier assembly (right side of cargo area) Su1 Th+ Vo1 Voltage inverter assembly (w/ power outlet (120v)) (right side of cargo area) W/ crawl control W/ navigation W/ safety connect W/ smart key system W/o crawl control W/o navigation w/ radio & display receiver W/o navigation w/o radio & display receiver W10
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 99 (left kick panel) j/c f63 (rear of left front door) i1 (w/ smart key system) A15 A16 A28 A54 A68 A71 A72 A89 A92 A94 A95 Acc Altb B13 B15 B18 B22 B26 B33 B34 B36 B62 C23 C50 Canh Canl Computer data lines system Cspt D/l 2 fuse 25a D33 Diode (right rear door courtesy switch) (front of right rear wheelwell) Driver side j/b assembly (left end of dash) Ecu-ig 2 fuse 10a F10 F24 F27 F32 F36 F55 F56 F57 F58 Flcl Flcy Fn1 Foot light Frcl Frcy Fs1 Fspt Fuel doors system Fuse 7.5a Gnd1 Gnd2 H1 (rear of right front door) Hf1 Hot at all times Hot in on or acc Hot in on or start Hg1 If1 Ile Ih1 J/b 4 (left side of dash) J/b 5 (center of dash) J/c f55 & f56 (left side of dash) J/c f55 (left side of dash) J/c f57 & f58 (w/ outer rear view mirror w/ turn signal light) (right end of dash) J/c f63 (left kick panel) J/c h8 (front of right front door) J/c i8 (front of left front door) J/c n22 (above right rear wheelwell) Jn1 Ji1 Lcty Left front door courtesy light assembly (if equipped) Left front door handle illumination (interior illumination lamp assembly 1) (if equipped) Left front foot light (interior illumination light assembly 1) Left outer rear view mirror assembly (if equipped) Lin2 Main body ecu (driver side j/b assembly) Mile Pnk Rcty Red Right front door courtesy light assembly (if equipped) Right front door handle illumination (interior illumination lamp assembly 1) (if equipped) Right front foot light (interior illumination light assembly 1) Right outer rear view mirror assembly (if equipped) Right rear door courtesy light assembly (w/ door courtesy light) Right rear door courtesy light switch assembly Right rear door handle illumination (interior illumination lamp assembly 2) (w/ door handle illumination) Su1 Trunk, tailgate, W/ door courtesy light W/ smart key system Courtesy Lamps Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 72 (base of left "c" pillar) j/c o18 (center left of dash) (w/ smart key system) engine switch (center of dash) (w/ smart key system) certification ecu assembly (left side of dash) (w/ door handle illumination) left rear door handle illumination (interior illumination lamp assembly 2) (w/ smart key system) A58 A62 A73 A74 A77 A78 B35 B69 Back door lock assembly (lower center of tailgate) Bdcy C13 C29 Canh Canl Computer data lines system Courtesy Cty Ctye Diode (left rear door courtesy switch) (front of left rear wheelwell) Dome fuse 10a Door Engine room r/b assembly (left side of engine compt) F79 Fn1 Fo1 Fs1 Gnd Hot at all times Ignition key cylinder light J/b 4 J/b 4 (left side of dash) J/c f55 (left side of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) J/c o18 (w/ door courtesy light) (base of left "c" pillar) J/c u7 (overhead console) Ko1 Kj1 Left front door courtesy light switch assembly Left map light Left rear door courtesy light assembly (w/ door courtesy light) Left rear door courtesy light switch assembly Left spot light assembly Left vanity light assembly Left visor assembly Lglp Lgp2 Map light assembly Mpx1 Multiplex network door ecu (lower center of liftgate) O2 (base of left "d" pillar) Off Pnk Red Right front door courtesy light switch assembly Right map light Right spot light assembly Right vanity light assembly Right visor assembly Room light assembly 1 Su1 Swil Transponder key amplifier (w/o smart key system) (right side of steering column) Trunk, tailgate, fuel doors system Vo2 W10 Instrument Illumination Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 89 (center right of dash) (w/ safety connect) dcm (telematics transceiver) (left side of dash) j/c f55 & f56 A11 A42 A44 A45 A62 A65 A77 A82 A88 A93 Acan Acc Acc fuse 7.5a Alt fuse 140a Altb Auto B31 B33 B35 B36 B40 Back door power window regulator sub-assembly (left side of tailgate) Back door power window regulator switch assembly C11 C12 C23 C29 C40 C41 C44 C45 C46 C59 Canh Canl Computer data lines system D/l 2 fuse 25a D33 Dome fuse 10a Driver side j/b assembly (left end of dash) Ecu-ig 2 fuse 10a Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F10 F39 F55 F56 Fo1 Ff1 Fn1 Glove box light assembly Gnd1 Gnd2 Hazard warning signal switch Head Headlight dimmer switch assembly Hot at all times Hot in on or acc Hot in on or start Ignition key cylinder light Ile Ill+ J/b 4 (left side of dash) J/b 5 (center of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) Led Left seat heater switch (if equipped) Light control switch Lin Main body ecu (driver side j/b assembly) Mpx2 Multiplex network door ecu (lower center of liftgate) Off Oo1 Panel fuse 7.5a Red Right seat heater switch (if equipped) Shift position indicator (indicator light wire sub-assembly) Tail Tail relay Telltale light assembly Transponder key amplifier (w/o smart key system) (right side of steering column) Trly Vo2 Vw1 W10 Instrument Illumination Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 90 (center left (center left of dash) j/c f64 (center of dash) (left side of dash) (w/ smart key system) j/b 4 (left side of dash) j/b 4 (w/ crawl control) drive monitor switch (w/ smart key system) 4wd & w/o crawl control A/d A51 A75 A81 A88 A93 Accessory meter assembly B14 B18 B26 B27 B29 B30 B35 B38 B39 B42 B46 B51 B52 B56 B57 B63 B69 Back sonar or clearance sonar switch assembly Built-in type amplifier C18 C21 C30 C55 Canh Canl Certification ecu assembly Combination meter assembly Computer data lines system Curtain air bag cutoff switch (left end of dash) Differential lock switch Downhill assist control switch Driver side j/b assembly (left end of dash) F23 F79 Fg1 Front window deicer switch (outer mirror heater switch assembly) (if equipped) Fs1 G13 G14 G16 G21 G28 G31 G32 G33 Gauge fuse 7.5a Heater control assembly Hot in on or start Ill+ Ill- Illumination J/b 4 (left side of dash) J/c g13 & g14 (top left side of dash) J/c u7 (overhead console) Light control rheostat Of dash) engine switch Radio receiver assembly (w/o navigation) navigation receiver assembly (w/ navigation) (center of dash) radio & display receiver assembly (w/ automatic running board, radio & display receiver assembly) Red Separate type amplifier w/ navigation Separate type amplifier w/o navigation Side auto step switch assembly (w/ automatic running board) (left end of dash) Spiral cable sub assembly (top of steering column) Steering pad switch assembly Su1 Swg Swil Traction control switch (4wd) Vsc off switch W/ automatic running board W/ crawl control W/ navigation W/ radio & display receiver assembly W/o navigation Woofer speaker switch Z11
NAVIGATION Navigation Wiring Diagram, with Built-in Amplifier (1 of 3) for Toyota 4Runner Limited 2012 List of elements for Navigation Wiring Diagram, with Built-in Amplifier (1 of 3) for Toyota 4Runner Limited 2012: 92 A50 A64 A66 A87 A90 A91 A95 Acc fuse 7.5a Adpg Agnd Alo Amp fuse 30a Antenna Aro Asgn Au1 Au2 Auxo B17 B20 B33 B35 B39 B57 B59 Bf2 C20 C23 C31 Canh Canl Combination meter assembly Computer data lines system Driver side j/b assembly (left end of dash) Eau Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a Engine room r/b assembly (left side of engine compt) F23 Fa2 Fg1 G1 (right end of dash) G13 G14 G31 Hot at all times Hot in on or start Hot w/ acc relay energized Il+2 Il-2 Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 (right side of dash) J/c g13 & g14 (top left g14 side of dash) J/c g13 & g14 (top left side of dash) Left steering switch Macc Min+ Min- Mode Nca Off hook On hook Park/neutral position switch (right side of transmission) Pnk Radio & display receiver assembly Red Rev Right steering switch Sdars antenna Seek+ Seek- Sgnd Skid control ecu w/ actuator assembly (left rear of engine compt) Sns2 Sp1 Spd Spiral cable sub-assembly (top of steering column) Steering pad switch assembly (if equipped) Stereo jack adapter assembly 1 (w/o multi-media interface ecu) Sw1 Sw2 Swg Va- Val+ Var+ Voice Volume+ Volume- Woofer speaker switch Z11 Navigation Wiring Diagram, with Built-in Amplifier (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Navigation Wiring Diagram, with Built-in Amplifier (2 of 3) for Toyota 4Runner Limited 2012: 49 (center right of dash) dcm (telematics transceiver) (or pnk) Acc Agnd Avc+ Avc- Extension module Fg1 Fg2 Gs1 Hf2 Hsyn Macc Mci+ Mci- Mco+ Mco- Mcvd Mic+ Mic- Mute Nca Pnk Radio & display receiver assembly Red Right front speaker assembly 1 Right front speaker assembly 2 Sgnd Shd1 Shd2 Shd3 Sns2 Spd Spi+ Spi- Spo+ Spo- Su1 System & w/o safety connect Telephone microphone V-b V-g V-r Vol+ Vol- Vshd Vsyn W/ safety connect W/o safety connect Navigation Wiring Diagram, with Built-in Amplifier (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Navigation Wiring Diagram, with Built-in Amplifier (3 of 3) for Toyota 4Runner Limited 2012: 60 (center of tailgate) (if equipped) rear television camera assembly (or pnk) (pins: 1 to 5 not used) (pins: 12 to 14 not used) (right end of dash) Acc B24 Ca+ Cb+ Cgnd Cv+ Cv- D17 Driver side j/b assembly (left end of dash) Fa1 Fg1 Fl+ Fl- Fn1 Fo2 Fr+ Fr- G30 G32 G33 G34 Gnd If2 Ill+ Ill- Interior lights system Jn1 Ko1 Left eq relay Left front speaker assembly 1 Left front speaker assembly 2 Left rear speaker assembly 1 Left rear speaker assembly 2 Nca Parking brake switch assembly Passenger side r/b assembly (right end of dash) Pkb Pnk Radio & display receiver assembly Red Right eq relay Right rear speaker assembly 1 Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Stereo jack adapter assembly 2 (w/ multi-media interface ecu) Tmut Vo1 Vo2 Vw1 W/ navigation system W/ safety connect Wy1 Navigation Wiring Diagram, with Separate Amplifier (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Navigation Wiring Diagram, with Separate Amplifier (2 of 3) for Toyota 4Runner Limited 2012: 82 (center of (if equipped) rear television camera assembly (rear end of center console) stereo component tuner assembly (right end of dash) multi-media interface ecu Acc Atx+ Atx- Ca+ Canh Canl Cb+ Cgnd Computer data lines system Cv+ Cv_ Fg1 Flo+ Flo- Fo2 Fro+ Fro- G1 (right end of dash) G11 G20 G23 G24 G25 G27 G28 Gnd Gps antenna Gs1 Ill+ Ill- Interior lights system Macc Min+ Min- Mut1 Mut2 Mute Navigation receiver assembly (center of dash) Nca Pnk Red Sdars antenna Sgnd Sld Sns2 Stereo jack adapter assembly 2 Tailgate) Tx+ Tx- Tx1+ Tx1- Tx2+ Tx2- Txo+ Txo- Udi+ Udi- Udo+ Udo- Uesg Ujsg Uli+ Uli- Ulo+ Ulo- Up1 Upo Uri+ Uri- Uro+ Uro- Usd1 Usd2 Vo2 Vw1 W/ safety connect W/o safety connect Wy1 Navigation Wiring Diagram, with Separate Amplifier (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Navigation Wiring Diagram, with Separate Amplifier (3 of 3) for Toyota 4Runner Limited 2012: 86 (center right of dash) (w/ safety connect) dcm (telematics transceiver) +b2 Acc Amp fuse 30a Engine room r/b assembly (left side of engine compt) Fa1 Fg1 Fg2 Fl+ Fl- Fo2 Fr+ Fr- G1 (right end of dash) Gn1 Gn2 Gnd Gnd2 Hf2 Hot at all times If2 Il+2 Il-2 Int+ Int- Interior lights system Jn1 Ko1 Left front speaker assembly 1 Left front speaker assembly 2 Left rear speaker assembly 1 Left rear speaker assembly 2 Mci+ Mci- Mco+ Mco- Mcvd Mute N11 N12 N13 N14 N2 (base of right "d" pillar) Nca Pnk R-l+ R-l- R-r+ R-r- Red Right front speaker assembly 1 Right front speaker assembly 2 Right rear speaker assembly 1 Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Sgnd Sld Spd Spi+ Spi- Spo+ Spo- Stereo component amplifier assembly (right side of cargo area) Sw+ Sw- Tmut Twl+ Twl- Twr+ Twr- Tx+ Tx- Vo1 Vw1 W/ box speaker assembly 1 W/ safety connect W/o safety connect Wf- Wf1+ Wf1- Wf2+ Wf2- Woofer speaker switch Parking Assistant Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Parking Assistant Wiring Diagram for Toyota 4Runner Limited 2012: 56 (right side of dash) A51 A64 A66 A78 A80 A81 B31 B34 B35 B36 B39 B40 B48 B53 B54 B57 B59 Back sonar or clearance sonar switch assembly Bbz Bf2 C18 C20 C31 Clearance sonar indicator Clearance warning buzzer 1 (center left of dash) Clearance warning ecu assembly (top left side of dash) Clsw Driver side j/b assembly (left end of dash) Ecu Ecu ig 1 fuse 10a Ecu ig 2 fuse 10a Fo1 Hot w/ ig1 1 relay energized Hot w/ tail relay energized Ill+ Ill- Ind Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 J/c f64 (center left of dash) L10 Left ultrasonic sensor 1 (center left of rear bumper) Left ultrasonic sensor 2 (left end of rear bumper) Main body ecu Panel fuse 7.5a Park/neutral position switch (right side of transmission) Pnk Po1 Red Right ultrasonic sensor 1 (center right of rear bumper) Right ultrasonic sensor 2 (right end of rear bumper) Security indicator light assembly Sonar switch Rear View Camera Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Rear View Camera Wiring Diagram for Toyota 4Runner Limited 2012: 41 A64 A66 A79 A83 B33 B35 B39 B57 red B59 Bf2 C20 C23 C31 Cb+ Cgkd Cgnd Cv+ Cv- Driver side r/b assembly (left end of dash) Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a F55 Fg1 Fo2 Fs1 Gs1 Hot w/ ig 1 relay energized Inner rear view mirror assembly J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 (right side of dash) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) Nca Park/neutral position switch (right side of transmission) Rear television camera assembly (center of tailgate) Red Rev Vo2 Vw1 Wy1
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Toyota 4Runner Limited 2012 List of elements for Power Distribution Wiring Diagram (1 of 4) for Toyota 4Runner Limited 2012: 65 (left side of engine compt) engine room r/b assembly A/c comp fuse 10a Abs 1 fuse 50a Abs 2 fuse 30a Air conditioning system Alt fuse 140a Alt-s fuse 7.5a Am2 fuse 7.5a Amp fuse 30a Anti-lock brakes system Anti-lock brakes, shift interlock, cruise control & exterior lights systems Anti-theft & door lock systems Battery Def fuse 30a Defogger system Deicer fuse 20a Dome fuse 10a Door locks & anti-theft systems Door locks, instrument cluster, wiper/washer, trunk, tailgate, fuel doors, interior lights, anti-theft & power windows systems Ecu-b fuse 10a Engine controls system Engine room j/b assembly (left side of engine compt) Etcs fuse 10a Exterior lights system Fa2 H-lp hi fuse 20a H-lp hi relay H-lp lo relay Htr fuse 50a Inv fuse 80a Mayday fuse 7.5a Mir htr fuse 10a Navigation & sound systems Navigation system P/i-b fuse 80a Pnk Prb fuse 30a Ptc htr 1 fuse 50a Ptc htr 2 fuse 30a Ptc htr 3 fuse 30a Rad 1 fuse 10a Red Security fuse 10a Shift interlock system Short pin Smart fuse 7.5a Sound systems St fuse 30a Starting/ charging system Starting/charging system Stop fuse 10a Strg lock fuse 20a Sub batt fuse 30a To driver side j/b (diagram 3 of 4) To engine room j/b (diagram 3 of 4) To engine room r/b 3 (diagram 4 of 4) To ignition or starter switch assembly (diagram 2 of 4) To j/b 5 (diagram 2 of 4) Towing brk fuse 30a Towing fuse 30a Towing tail fuse 30a Trunk, tailgate, fuel doors system Turn & haz fuse 15a W/ smart key system W/o smart key system Power Distribution Wiring Diagram (2 of 4) for Toyota 4Runner Limited 2012 List of elements for Power Distribution Wiring Diagram (2 of 4) for Toyota 4Runner Limited 2012: 92 (center of dash) j/b 5 (left end of dash) driver side j/b assembly 3 of 4) A19 Acc Acc fuse 7.5a Acc relay Accd Air conditioning, anti-lock brakes, exterior lights & starting/ charging systems Am1 Am2 Am21 Am22 Anti-lock brakes & defogger systems B17 B35 B39 B69 C14 C31 C33 C48 C52 D11 D27 D31 Defogger system Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a Engine switch (w/ smart key system) Exterior lights system F30 F55 F56 F56 j/c f55 & f56 (left side of dash) f55 F57 F58 F80 F81 Fa2 Fn1 From driver side j/b (diagram 3 of 4) From engine room r/b (diagram 1 of 4) From ig1 3 relay (diagram j From st fuse (diagram 1 of 4) Ig1 Ig1 1 relay Ig1 5 relay Ig1 fuse 7.5a Ig1d Ig2 Ig2d Ignition or starter switch assembly (w/o smart key system) Instrument cluster, anti-theft, trunk, tailgate, fuel doors, door locks, interior lights, wiper/ washer & power windows systems J/b 4 (left side of dash) J/c a37 (left side of engine compt) J/c f55 & f56 (left side of dash) J/c f56 (left side of dash) J/c f57 & f58 (right end of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) J/c f65 (right kick panel) J/c n22 (w/ 120v power outlet) (above right rear wheelwell) Lock Main body ecu Mirrors, navigation, shift interlock, exterior lights, instrument cluster, anti-lock brakes, sound & door locks systems N2 (base of right "d" pillar) Off P/outlet fuse 15a Pnk Power management control ecu (w/ smart key system) (center of dash) Power point socket assembly Power point socket assembly 2 Rear power point socket assembly Red S/htr fr fuse 20a Seats system Ssw1 Ssw2 St1 St2 Start Starting/ charging system To engine room j/b (diagram 3 of 4) To engine room r/b 3 (diagram 4 of 4) To ig1 2 relay (diagram 3 of 4) To ig1 3 relay (diagram 3 of 4) To j/b 4 (diagram 4 of 4) Transmissions, exterior lights, anti-lock brakes, instrument cluster, headlights, shift interlock, navigation, cruise control, sound, door locks, electronic power steering & warning systems W/ smart key system W/o smart key system Wiper/ washer system Power Distribution Wiring Diagram (3 of 4) for Toyota 4Runner Limited 2012 List of elements for Power Distribution Wiring Diagram (3 of 4) for Toyota 4Runner Limited 2012: 90 (left end of dash) driver side j/b assembly (left side of engine compt) engine room j/b assembly (left side of engine compt) engine room r/b assembly 4wd fuse 20a A/c fuse 7.5a A/f fuse 20a A/f relay A1 (left front of engine compt) Air conditioning system Altb Am1 fuse 7.5a Anti-lock brakes & cruise control & engine controls systems Anti-theft, starting/charging, B10 B20 B32 B40 Bk dr lock relay Bk/up relay C11 C12 C13 C26 C29 C34 C35 C38 C51 C55 Computer data lines system D/l 2 fuse 25a D21 D26 Door back fuse 30a Door d fuse 25a Door fuse 7.5a Door locks system Door p fuse 30a Door rl fuse 25a Door rr fuse 25a Efi fuse 25a Efi main relay Electronic suspension system Engine controls & transmissions systems Engine controls system Exterior lights system F11 F16 Fog fr fuse 15a Fr fog relay From engine room j/b (diagram 1 of 4) From engine room r/b (diagram 1 of 4) From ig1 2 relay h (diagram 2 of 4) From ig1 5 relay k (diagram 2 of 4) From ignition or starter switch assembly or power management control ecu (diagram 2 of 4) Gauge fuse 7.5a Horn fuse 10a Horn relay Ig1 2 relay Ig1 3 relay Ig2 fuse 20a Ig2 relay Ign fuse 10a Inj fuse 10a Interior lights & navigation systems J/c a38 (left side of engine compt) J/c f55 (left side of dash) J/c f63 (left kick panel) Kdss fuse 10a Main body ecu Obd fuse 7.5a P/seat fl fuse 30a P/seat fr fuse 30a Panel fuse 7.5a Pnk Power tops system Power windows system Red S/roof fuse 25a Seats system Tail fuse 10a Tail relay To ig1 5 relay (diagram 2 of 4) To ignition or starter switch assembly (diagram 2 of 4) Transmissions system Trly Trunk, tailgate, fuel doors, instrument cluster & power windows systems Washer fuse 20a Wip fuse 30a Wiper/washer system Power Distribution Wiring Diagram (4 of 4) for Toyota 4Runner Limited 2012 List of elements for Power Distribution Wiring Diagram (4 of 4) for Toyota 4Runner Limited 2012: 78 (diagram 1 of 4) A13 A38 A66 A67 A79 A91 Ac1 Ac2 Acc1 Acc2 Acc3 Acc4 Air conditioning & seats systems Air conditioning system B14 B17 B20 B21 B25 B31 B37 B41 B43 B44 B53 B54 B55 C16 C19 Combination meter assembly Defogger system Ecm (right end of dash) Els2 Engine room r/b 3 assembly (left side of engine compt) Excd F51 F57 F58 Fa2 Fn1 From driver side j/b (diagram 2 of 4) From engine room r/b a From j/c a37 l (diagram 2 of 4) Fm1 Gnd Ind Ind+ Ind- Instrument cluster, sound & navigation systems Inv relay (400w) J/b (center of dash) J/b (left side of dash) J/b 4 (left side of dash) J/b 5 (center of dash) J/c f57 & f58 (right end of dash) J/c f65 (right kick panel) J/c n22 (above right rear wheelwell) Main switch assembly Mirrors & power tops systems N19 N2 (base of right "d" pillar) N20 N3 (right front of luggage compt) Navigation system Nr1 Nsw Pnk Power outlet socket Power outlet socket assembly Ra1 Red Rly Skid control ecu w/ actuator assembly (left rear of engine compt) Sp1 Spd Starting/charging system Voltage inverter assembly (w/ power outlet (120v)
POWER DOOR LOCKS Power Door Locks Wiring Diagram, with Smart Key System (2 of 5) for Toyota 4Runner Limited 2012 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (2 of 5) for Toyota 4Runner Limited 2012: 67 (center front of engine compt) low pitched horn assembly (lower center of liftgate) multiplex network door ecu (rear of left front door) (rear of right front door) Back door opener switch Bdcy Bdr Becu C31 Ctye D33 Dome fuse 10a Door back fuse 30a Driver side j/b assembly (left side of engine compt) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F11 F30 F32 F57 F58 Fn1 Fo1 Gnd Hf1 High pitched horn assembly (center front of engine compt) Horn fuse 10a Horn relay Hot at all times Hot in on or start Hsw+ Hsw- Hswz If1 If2 Interior lights system J/c f57 & f58 (right end of dash) J/c h8 (front of right front door) J/c i8 (front of left front door) J/c o18 (base of left "c" pillar) Jn1 Ko1 Left front door w/ motor lock assembly Left rear door w/ License plate light assembly Lock Lock key Lssr Motor lock assembly Mpx1 N1 (right "b" pillar) O1 (left "b" pillar) O2 (base of left "d" pillar) Oo1 Pnk Red Right front door w/ motor lock assembly Right rear door w/ Sig Sup2 Tion detec- unlock Un- key Vo1 Vo2 W10 Power Door Locks Wiring Diagram, with Smart Key System (3 of 5) for Toyota 4Runner Limited 2012 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (3 of 5) for Toyota 4Runner Limited 2012: 77 (center left of dash) engine switch (left rear of engine compt) (right end of dash) A12 A16 A59 A64 A66 Accd Am21 Am22 Antenna coil Assembly B20 B25 B35 B36 B37 B59 B62 B63 B69 Bf1 Bf2 C16 C20 C56 Ca1h Ca1l Ca3n Ca3p Canh Canl Computer data lines system Ecm Engine room r/b assembly (left side of engine compt) F50 F80 F81 Fa2 Gnd Gnd2 Hot at all times Ig1d Ig2d Imi Imo Inds Indw J/b 4 (left side of dash) J/b 5 (center of dash) J/c a36 (left end of dash) J/c f64 (center left of dash) Lin2 Neo Park/neutral position switch (right side of transmission) Pnk Power distribution system Power management control ecu (center of dash) Red Shift interlock system Shift lock control ecu sub-assembly (under center console) Skid control ecu w/ actuator Slp Slr+ Sp1 Spd Ss1 Ss2 Ssw1 Ssw2 Sta Star Starting/ charging system Stop fuse 10a Stop light switch assembly Stp1 Power Door Locks Wiring Diagram, with Smart Key System (4 of 5) for Toyota 4Runner Limited 2012 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (4 of 5) for Toyota 4Runner Limited 2012: 48 (center left of dash) id code box (center of dash) j/b 5 (left front of engine compt) a1 (left side of dash) j/b 4 A48 A49 A53 A57 A68 B14 B22 B27 B30 B63 B68 B71 Buzzer C15 C17 C51 C55 C57 C60 Combination meter assembly Computer data lines system Door ind Driver side j/b assembly (left end of dash) Efii Efio Engine hood courtesy switch (center front of engine compt) Engine room r/b assembly (left side of engine compt) Fa2 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Ign fuse 10a Ind J/b 4 (left side of dash) J/c f64 (center left of dash) Lin1 Pnk Red S-horn relay Security fuse 10a Security horn assembly (right side of engine compt) Smart fuse 7.5a Smart key Power Door Locks Wiring Diagram, with Smart Key System (5 of 5) for Toyota 4Runner Limited 2012 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (5 of 5) for Toyota 4Runner Limited 2012: 80 (base of left "c" pillar) (center console) front indoor electrical key antenna assembly (center of dash) j/b 5 (center of luggage compt) A50 A51 A52 A55 A60 A62 A63 A64 A66 A69 Agnd Ant1 Ant2 B35 B59 Canh Canl Certification ecu assembly (center side of dash) Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Clg1 Clg2 Clg5 Clg6 Clg7 Clg8 Clgb Code Computer data lines system Cutb Data Door control receiver (rear of left "c" pillar) F78 F79 Fn1 Fo1 Gnd Hf1 Hf2 If1 If2 Ind Indoor luggage compartment electrical key antenna assembly J/b 4 (left side of dash) J/c f64 (center left of dash) Left front outside electrical key antenna Lh1 Lin Mi1 O2 (base of left "d" pillar) Outside luggage electrical key antenna (center rear of luggage compt) Pnk Pos1 Pos2 Rco Rda Rear indoor electrical key antenna assembly Red Right front outside electrical key antenna (top rear of right front door) Rssi Security indicator light assembly Sen1 Sen2 Sens Swil Trg+ Tsw1 Tsw2 Tsw5 Tsw6 Txct Vc5 Power Door Locks Wiring Diagram, without Smart Key System (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (2 of 3) for Toyota 4Runner Limited 2012: 67 (center front of engine compt) low pitched horn assembly (front of right front door) j/c h8 (lower center of liftgate) multiplex network door ecu (rear of left front door) (rear of right front door) Back door opener switch Bdcy Bdr Becu Bkl Bkul C31 Ctye D33 Dome fuse 10a Door back fuse 30a Driver side j/b assembly (left end of dash) Ecu-b fuse 10a Ecu-ig fuse 10a Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F11 F30 F32 F57 F58 Fn1 Gnd Hf1 High pitched horn assembly (center front of engine compt) Horn fuse 10a Horn relay Hot at all times Hot in on or start Hsw+ Hsw- If1 If2 Interior lights system J/c f57 & f58 (right end of dash) J/c i8 (front of left front door) J/c o18 (base of left "c" pillar) Jn1 Keye Ko1 Left front door w/ motor lock assembly Left rear door w/ License plate light assembly Lock Lock key Lssr Motor lock assembly Mpx1 N1 (right "b" pillar) O1 (left "b" pillar) O2 (base of left "d" pillar) Oo1 Pnk Red Right front door w/ motor lock assembly Right rear door w/ Sig Tion detec- unlock Un- key Vo1 Vo2 W10 Power Door Locks Wiring Diagram, without Smart Key System (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (3 of 3) for Toyota 4Runner Limited 2012: 54 (left front of engine compt) a1 (left rear of engine compt) wireless door lock buzzer (rear of left "c" pillar) door control receiver (right end of dash) ecm A1 (left front of engine compt) A64 A74 B14 B35 B36 B59 B63 Bf2 Buzzer C20 C28 C29 C33 C55 Canh Canl Combination meter assembly Computer data lines system Door ind Drive side j/b assembly (left end of dash) Engine hood courtesy switch (center front of engine compt) Engine room r/b assembly (left side of engine compt) F50 Fo1 Fs1 Gauge fuse 7.5a Gnd Hot at all times Hot in on or start J/b 4 (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) Light ind cylinder ignition key Lock O2 (base of left "d" pillar) Park/neutral position switch (right side of transmission) Pnk Prg Rda Red Room light assembly 1 S-horn relay Security fuse 10a Security horn assembly (right side of engine compt) Security indicator light assembly Tail gate control switch assembly Transponder key amplifier (right side of steering column) Un-lock warning switch assembly Unlock
POWER MIRRORS Electrochromic Mirror Wiring Diagram, with Rear View Camera for Toyota 4Runner Limited 2012 List of elements for Electrochromic Mirror Wiring Diagram, with Rear View Camera for Toyota 4Runner Limited 2012: 41 A64 A66 A79 A83 B33 B35 B39 B57 red B59 Bf2 C20 C23 C31 Cb+ Cgkd Cgnd Cv+ Cv- Driver side r/b assembly (left end of dash) Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a F55 Fg1 Fo2 Fs1 Gs1 Hot w/ ig 1 relay energized Inner rear view mirror assembly J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 (right side of dash) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) Nca Park/neutral position switch (right side of transmission) Rear television camera assembly (center of tailgate) Red Rev Vo2 Vw1 Wy1 Electrochromic Mirror Wiring Diagram, without Rear View Camera for Toyota 4Runner Limited 2012 List of elements for Electrochromic Mirror Wiring Diagram, without Rear View Camera for Toyota 4Runner Limited 2012: 13 (left side of dash) j/c f55 & f56 A66 A79 B39 Driver side r/b assembly (left end of dash) Ecu-ig 2 fuse 10a F55 F56 Fs1 Hot w/ ig 1 relay energized Inner rear view mirror assembly J/b 4 (left side of dash) J/c f63 (left kick panel) Power Mirrors Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Power Mirrors Wiring Diagram for Toyota 4Runner Limited 2012: 45 A17 A18 A50 Acc fuse 7.5a B17 B25 B28 B33 B35 Defogger system Down Driver side r/b assembly (left end of dash) Exterior lights system Foot light Hf1 Hl+ Hl- Hot w/ acc relay energized Hr+ Hr- If1 Interior lights system J/b 4 (left side of dash) J/c f64 (center left of dash) Left Left outer rear view mirror assembly Left/ up Mirror heater Mlh Mlp Mlp- Mlv Mrh Mrv Operation switch Outer mirror switch assembly Pnk Red Right Right outer rear view mirror assembly Right/ down Select switch Turn W/ outer rear view mirror w/ turn signal light W/ outer rear view mirror w/o turn signal light
POWER SEATS Driver Power Seat Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Driver Power Seat Wiring Diagram for Toyota 4Runner Limited 2012: 31 B13 Down Driver side j/b assembly (left end of dash) Front Front vertical Hot at all times J/c b14 J/c b8 (w/o power seat) Left front lumbar support forward & back motor assembly Left front power seat lift position motor assembly (w/ power seat) Left front power seat reclining position motor assembly (w/ power seat) Left front power seat slide position motor assembly (w/ power seat) Left front power seat switch assembly Left front power seat vertical position motor assembly (w/ power seat) Lifter Lumbar support O1 (left "b" pillar) Ob1 P/seat fl fuse 30a Pnk Rear Reclining Red Slide W/ power seat W/ seat heater W/o power seat W/o seat heater & w/ power seat W/o w/ power power seat seat Db1 Db2 Heated Seats Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Heated Seats Wiring Diagram for Toyota 4Runner Limited 2012: 35 (right "b" pillar) A65 A66 B26 B39 C14 C19 C37 C38 C42 C43 Driver side j/b assembly (left end of dash) Ecu ig 2 fuse 10a Fn1 Fo1 Ff1 Hot w/ ig 1 relay energized Hot w/ ig1 5 relay energized Ill+ Ill- Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c a12 J/c f64 (center left of dash) J/c b14 Left seat heater control sub-assembly (under driver's seat) Left seat heater switch Na1 O1 (left "b" pillar) Ob1 Red Right seat heater control sub-assembly (under front passenger seat) Right seat heater switch S/htr fr fuse 20a Passenger Power Seat Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Passenger Power Seat Wiring Diagram for Toyota 4Runner Limited 2012: 16 Driver side j/b assembly (left end of dash) Fn1 Front Hot at all times J/c a12 (w/ seat heater) N1 (right "b" pillar) Na1 P/seat fr fuse 30a Pnk Rear Reclining Right front power seat reclining position motor assembly Right front power seat slide position motor assembly Right front power seat switch Slide Ca1
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Power Top/Sunroof Wiring Diagram for Toyota 4Runner Limited 2012: 38 (left side of dash) j/b 4 A66 A79 Altb Canh Canl Cls Computer data lines system D/l 2 fuse 25a Down Driver side j/b assembly (left end of dash) Dwn Ecu ig 2 fuse 10a F10 F27 red F55 F56 Flcy Fs1 Gnd Gnd2 Ground distribution system Hot at all times Hot in on or start J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) J/c u7 (overhead console) Left front door courtesy light switch assembly Main body ecu Map light assembly Mpx1 Opn Pnk Red S/roof fuse 25a Sliding roof control ecu (center of windshield header) Sliding roof control switch Su1
POWER WINDOWS Power Windows Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Power Windows Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 96 "c" pillar) (base of left "d" pillar) (center of dash) A60 A65 Acc Acc fuse 7.5a Altb Aut2 Auto B10 B11 Back door lock assembly (lower center of tailgate) Back door power window regulator sub-assembly (left side of tailgate) Back door power window regulator switch assembly Bdcy Bdn Bdn2 Bdr Bdr2 Becu Bkl Bkul Bup Bup2 C11 C12 C24 C34 C44 Courtesy Ctye D/l 2 fuse 25a D33 D39 Dome fuse 10a Door back fuse 30a Door d fuse 25a Door fuse 7.5a Door p fuse 30a Door rl fuse 25a Door rr fuse 25a Down Driver side j/b assembly (left end of dash) Ecu-b fuse 10a Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a Engine room r/b assembly (left side of engine compt) F11 F19 F24 F27 F30 F32 F55 F56 Flcy Fo1 Ff1 Gnd Gnd1 Gnd2 Hot at all times Hot w/ acc relay energized Hot w/ ig1 relay energized If1 Ill+ Ih1 J/b 4 (left side of dash) a24 J/b 5 J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) J/c o18 (base of left Keye Led Left front door courtesy light switch assembly Lin Lin1 Lin2 Main body ecu (driver side j/b assembly) Mpx1 Mpx2 Multiplex network door ecu (lower center of liftgate) Multiplex network master switch assembly (left front door) Oo1 Pnk Power window master switch Red Sdn Sig Sup Vo1 Vo2 Vw1 W10 Power Windows Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Power Windows Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 37 (w/ smart key system) luggage electrical key switch (w/o smart key system) tailgate control switch assembly A70 Auto B20 B32 Down Fn1 Gnd H1 (rear of right front door) Hf1 Hg1 I1 (rear of left front door) If1 J/b 5 (center of dash) J/c h8 (front of right front door) J/c i8 (front of left front door) J/c o18 (base of left "c" pillar) Jn1 Ji1 Ko1 Kj1 Led Left front power window regulator motor assembly Left rear power window regulator motor assembly Left rear power window regulator switch assembly Lin N1 (right "b" pillar) O1 (left "b" pillar) Pnk Red Right front power window regulator motor assembly Right front power window regulator switch assembly Right rear power window regulator motor assembly Right rear power window regulator switch assembly Sdn Sup
RADIO Radio Wiring Diagram, with Navigation with Separate Amplifier (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, with Navigation with Separate Amplifier (2 of 3) for Toyota 4Runner Limited 2012: 82 (center of (if equipped) rear television camera assembly (rear end of center console) stereo component tuner assembly (right end of dash) multi-media interface ecu Acc Atx+ Atx- Ca+ Canh Canl Cb+ Cgnd Computer data lines system Cv+ Cv_ Fg1 Flo+ Flo- Fo2 Fro+ Fro- G1 (right end of dash) G11 G20 G23 G24 G25 G27 G28 Gnd Gps antenna Gs1 Ill+ Ill- Interior lights system Macc Min+ Min- Mut1 Mut2 Mute Navigation receiver assembly (center of dash) Nca Pnk Red Sdars antenna Sgnd Sld Sns2 Stereo jack adapter assembly 2 Tailgate) Tx+ Tx- Tx1+ Tx1- Tx2+ Tx2- Txo+ Txo- Udi+ Udi- Udo+ Udo- Uesg Ujsg Uli+ Uli- Ulo+ Ulo- Up1 Upo Uri+ Uri- Uro+ Uro- Usd1 Usd2 Vo2 Vw1 W/ safety connect W/o safety connect Wy1 Radio Wiring Diagram, with Navigation with Separate Amplifier (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, with Navigation with Separate Amplifier (3 of 3) for Toyota 4Runner Limited 2012: 86 (center right of dash) (w/ safety connect) dcm (telematics transceiver) +b2 Acc Amp fuse 30a Engine room r/b assembly (left side of engine compt) Fa1 Fg1 Fg2 Fl+ Fl- Fo2 Fr+ Fr- G1 (right end of dash) Gn1 Gn2 Gnd Gnd2 Hf2 Hot at all times If2 Il+2 Il-2 Int+ Int- Interior lights system Jn1 Ko1 Left front speaker assembly 1 Left front speaker assembly 2 Left rear speaker assembly 1 Left rear speaker assembly 2 Mci+ Mci- Mco+ Mco- Mcvd Mute N11 N12 N13 N14 N2 (base of right "d" pillar) Nca Pnk R-l+ R-l- R-r+ R-r- Red Right front speaker assembly 1 Right front speaker assembly 2 Right rear speaker assembly 1 Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Sgnd Sld Spd Spi+ Spi- Spo+ Spo- Stereo component amplifier assembly (right side of cargo area) Sw+ Sw- Tmut Twl+ Twl- Twr+ Twr- Tx+ Tx- Vo1 Vw1 W/ box speaker assembly 1 W/ safety connect W/o safety connect Wf- Wf1+ Wf1- Wf2+ Wf2- Woofer speaker switch Radio Wiring Diagram, with Navigation, with Built-in Amplifier (1 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, with Navigation, with Built-in Amplifier (1 of 3) for Toyota 4Runner Limited 2012: 92 A50 A64 A66 A87 A90 A91 A95 Acc fuse 7.5a Adpg Agnd Alo Amp fuse 30a Antenna Aro Asgn Au1 Au2 Auxo B17 B20 B33 B35 B39 B57 B59 Bf2 C20 C23 C31 Canh Canl Combination meter assembly Computer data lines system Driver side j/b assembly (left end of dash) Eau Ecu-ig 1 fuse 10a Ecu-ig 2 fuse 10a Engine room r/b assembly (left side of engine compt) F23 Fa2 Fg1 G1 (right end of dash) G13 G14 G31 Hot at all times Hot in on or start Hot w/ acc relay energized Il+2 Il-2 Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c b48 (right side of dash) J/c g13 & g14 (top left g14 side of dash) J/c g13 & g14 (top left side of dash) Left steering switch Macc Min+ Min- Mode Nca Off hook On hook Park/neutral position switch (right side of transmission) Pnk Radio & display receiver assembly Red Rev Right steering switch Sdars antenna Seek+ Seek- Sgnd Skid control ecu w/ actuator assembly (left rear of engine compt) Sns2 Sp1 Spd Spiral cable sub-assembly (top of steering column) Steering pad switch assembly (if equipped) Stereo jack adapter assembly 1 (w/o multi-media interface ecu) Sw1 Sw2 Swg Va- Val+ Var+ Voice Volume+ Volume- Woofer speaker switch Z11 Radio Wiring Diagram, with Navigation, with Built-in Amplifier (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, with Navigation, with Built-in Amplifier (2 of 3) for Toyota 4Runner Limited 2012: 49 (center right of dash) dcm (telematics transceiver) (or pnk) Acc Agnd Avc+ Avc- Extension module Fg1 Fg2 Gs1 Hf2 Hsyn Macc Mci+ Mci- Mco+ Mco- Mcvd Mic+ Mic- Mute Nca Pnk Radio & display receiver assembly Red Right front speaker assembly 1 Right front speaker assembly 2 Sgnd Shd1 Shd2 Shd3 Sns2 Spd Spi+ Spi- Spo+ Spo- Su1 System & w/o safety connect Telephone microphone V-b V-g V-r Vol+ Vol- Vshd Vsyn W/ safety connect W/o safety connect Radio Wiring Diagram, with Navigation, with Built-in Amplifier (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, with Navigation, with Built-in Amplifier (3 of 3) for Toyota 4Runner Limited 2012: 60 (center of tailgate) (if equipped) rear television camera assembly (or pnk) (pins: 1 to 5 not used) (pins: 12 to 14 not used) (right end of dash) Acc B24 Ca+ Cb+ Cgnd Cv+ Cv- D17 Driver side j/b assembly (left end of dash) Fa1 Fg1 Fl+ Fl- Fn1 Fo2 Fr+ Fr- G30 G32 G33 G34 Gnd If2 Ill+ Ill- Interior lights system Jn1 Ko1 Left eq relay Left front speaker assembly 1 Left front speaker assembly 2 Left rear speaker assembly 1 Left rear speaker assembly 2 Nca Parking brake switch assembly Passenger side r/b assembly (right end of dash) Pkb Pnk Radio & display receiver assembly Red Right eq relay Right rear speaker assembly 1 Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Stereo jack adapter assembly 2 (w/ multi-media interface ecu) Tmut Vo1 Vo2 Vw1 W/ navigation system W/ safety connect Wy1 Radio Wiring Diagram, without Navigation with Built-in Amplifier (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, without Navigation with Built-in Amplifier (1 of 2) for Toyota 4Runner Limited 2012: 70 A50 A87 A90 Acc fuse 7.5a Agnd Ali Alo Amp fuse 30a Antenna Ari Aro Asgn Au1 Au2 Auxi Auxo B17 B20 Canh Canl Combination meter assembly Computer data lines system Driver side j/b assembly (left end of dash) Eau Engine room r/b assembly (left side of engine compt) F23 Fa2 Fg1 G1 (right end of dash) G13 G14 Hot at all times Hot w/ acc relay energized Il+2 Il-2 Interior lights system J/b 4 (left side of dash) J/c g13 & g14 (top left g14 side of dash) J/c g13 & g14 (top left side of dash) Left steering switch Macc Min+ Min- Mode Nca Off hook On hook Pnk Radio receiver assembly (center of dash) Red Right steering switch Sdars antenna Seek+ Seek- Sgnd Skid control ecu w/ actuator assembly (left rear of engine compt) Sns2 Sp1 Spd Spiral cable sub-assembly (top of steering column) Steering pad switch assembly (if equipped) Stereo jack adapter assembly 1 (w/o multi-media interface) Sw1 Sw2 Swg Voice Volume+ Volume- Woofer speaker switch Z11 Radio Wiring Diagram, without Navigation with Built-in Amplifier (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, without Navigation with Built-in Amplifier (2 of 2) for Toyota 4Runner Limited 2012: 90 (center right of dash) (w/ safety connect) dcm (telematics transceiver) (or pnk) Acc Cdl+ Cdl- Cdr+ Cdr- Connect Csld Fa1 Fg1 Fg2 Fl+ Fl- Fn1 Fo2 Fr+ Fr- G1 (right end of dash) G11 G27 Gnd Gs1 Hf2 If2 Ill+ Ill- Interior lights system Jn1 Ko1 Left eq relay Left front speaker assembly 1 Left front speaker assembly 2 Left rear speaker assembly 1 Left rear speaker assembly 2 Macc Mci+ Mci- Mco+ Mco- Mcvd Multi-media interface ecu (if equipped) (right end of dash) Mut1 Mute Nca Passenger side r/b assembly (right end of dash) Pnk Radio receiver assembly (center of dash) Red Right eq relay Right front speaker assembly 1 Right front speaker assembly 2 Right rear speaker assembly 1 Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Sgnd Sns2 Spi+ Spi- Spo+ Spo- Stereo jack adapter assembly 2 Su1 System & w/o safety connect Telephone microphone Tx1+ Tx1- Txm+ Txm- Ud1+ Udi- Udo+ Udo- Uesg Ujsg Ulo+ Ulo- Up1 Upo Uro+ Uro- Usd1 Vo1 Vw1 W/ safety W/ safety connect W/o safety connect Radio Wiring Diagram, without Navigation with Separate Amplifier (1 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, without Navigation with Separate Amplifier (1 of 3) for Toyota 4Runner Limited 2012: 80 A50 A87 A90 Acc Acc fuse 7.5a Agnd Ali Alo Ari Aro Asgn Au1 Au2 Auxi Auxo B17 B20 Canh Canl Cdl+ Cdl- Cdr+ Cdr- Combination meter assembly Computer data lines system Csld Driver side j/b assembly (left end of dash) Eau Engine room r/b assembly (left side of engine compt) F23 Fa1 Fa2 Fg1 G13 G14 Gn2 Gnd Hot at all times Hot w/ acc relay energized Ivo+ Ivo- J/b 4 (left side of dash) J/c g13 & g14 (top left g13 Left steering switch Macc Map light assembly Mco+ Mco- Mode Mute Nca Off hook On hook Pnk Rad 1 fuse 10a Radio receiver assembly (center of dash) Red Right steering switch Seek+ Seek- Side of dash) Skid control ecu w/ actuator assembly (left rear of engine compt) Sld1 Sns2 Sp1 Spd Spiral cable sub-assembly (top of steering column) Steering pad switch assembly Stereo jack adapter assembly 1 (w/o multimedia interface ecu) Su1 Sw1 Sw2 Swg Telephone microphone Txm+ Txm- Voice Volume+ Volume- Z11 Radio Wiring Diagram, without Navigation with Separate Amplifier (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, without Navigation with Separate Amplifier (2 of 3) for Toyota 4Runner Limited 2012: 45 (right end of dash) multi-media interface ecu (w/ multimedia interface ecu) stereo jack adapter assembly 2 Acc Antenna Atx+ Atx- G1 (right end of dash) G11 G21 G27 Gnd Gs1 Ill+ Ill- Interior lights system Macc Min+ Min- Mut1 Mute Nca Pnk Radio receiver assembly (center of dash) Red Sdars antenna Sgnd Sld Sns2 Tx1+ Tx1- Udi+ Udi- Udo+ Udo- Uesg Ujsg Ulo+ Ulo- Up1 Upo Uro+ Uro- Usd1 W/ safety connect W/o safety connect Radio Wiring Diagram, without Navigation with Separate Amplifier (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Radio Wiring Diagram, without Navigation with Separate Amplifier (3 of 3) for Toyota 4Runner Limited 2012: 86 (center right of dash) (w/ safety connect) dcm (telematics transceiver) +b2 Acc Amp fuse 30a Engine room r/b assembly (left side of engine compt) Fa1 Fg1 Fg2 Fl+ Fl- Fo2 Fr+ Fr- G1 (right end of dash) Gn1 Gn2 Gnd Gnd2 Hf2 Hot at all times If2 Il+2 Il-2 Int+ Int- Interior lights system Jn1 Ko1 Left front speaker assembly 1 Left front speaker assembly 2 Left rear speaker 1 assembly Left rear speaker assembly 2 Mci+ Mci- Mco+ Mco- Mcvd Mute N11 N12 N13 N14 N2 (base of right "d" pillar) Nca Pnk R-l+ R-l- R-r+ R-r- Red Right front speaker assembly 1 Right front speaker assembly 2 Right rear speaker 1 assembly Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Sgnd Sld Spd Spi+ Spi- Spo+ Spo- Stereo component amplifier assembly (right side of cargo area) Sw+ Sw- Tmut Twl+ Twl- Twr+ Twr- Tx+ Tx- Vo1 Vw1 W/ box speaker assembly 1 W/ safety connect W/o safety connect Wf- Wf1+ Wf1- Wf2+ Wf2- Woofer speaker switch
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Shift Interlock Wiring Diagram for Toyota 4Runner Limited 2012: 56 A16 A50 A64 A66 Acc Acc fuse 7.5a B17 B35 B36 B59 B61 B67 Bf2 C20 C31 C34 C49 C51 C53 C55 C56 C58 C60 Canh Canl Computer data lines system Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu ig 1 fuse 10a Engine room r/b assembly (left side of engine compt) F50 F80 Fa2 Fz2 Hot at all times Hot in on or acc Hot in on or start J/b 4 (left side of dash) J/b 5 (center of dash) J/c a36 (left end of dash) J/c f64 (center left of dash) Key inter- lock solenoid (w/o smart key system) (left side of dash) Kls+ Park/neutral position switch (right side of transmission) Pnk Power management control ecu (center of dash) Red Shift lock control ecu sub-assembly (under center console) Shift lock solenoid Sls+ Sls- Stop fuse 10a Stop light switch assembly Stp W/ smart key system W/o smart key system Steering Column Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Steering Column Wiring Diagram for Toyota 4Runner Limited 2012: 46 A10 A12 A49 A59 B66 B68 B69 B71 C39 C40 C42 C44 C45 C48 C51 C52 C60 Ca1h Ca1l Certification ecu assembly (center of dash) Computer data lines system Driver side j/b assembly (left end of dash) Engine room r/b assembly (left side of engine compt) F79 F80 Fa2 Gnd Hot at all times Hot in on or start Id code box (center left of dash) Ig2 Ige Ign fuse 10a J/b 4 (left side of dash) J/b 5 (center of dash) J/c f63 (left kick panel) Lin Lin1 Lin2 Pnk Power management control ecu (center of dash) Slp Slp1 Slr+ Steering lock actuator assembly (right of steering column) Strg lock fuse 20a
STARTING/CHARGING Charging Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Charging Wiring Diagram for Toyota 4Runner Limited 2012: 35 A/c amplifier assembly (w/ ptc heater) (center of dash) A24 A84 A96 Alt Alt fuse 140a Alt-s fuse 7.5a B37 Battery Bf1 C55 Ca1 Canh Canl Charge ind Combination meter assembly Computer data lines system D11 Driver side r/b assembly (left end of dash) Ecm (right end of dash) Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F42 F50 Fa2 Gauge fuse 7.5a Generator Hot in on or start Ig+ Ig1 fuse 7.5a J/b 5 (center of dash) J/c a37 (left side of engine compt) Pnk Red Starting circuit Starting Wiring Diagram, with Smart Key System for Toyota 4Runner Limited 2012 List of elements for Starting Wiring Diagram, with Smart Key System for Toyota 4Runner Limited 2012: 33 A1 (left front of engine compt) A11 A23 B37 B53 B58 Battery Bf2 Ca1 Ca1h Ca1l Canh Canl Computer data lines system Ecm (right end of dash) Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F50 F81 F8o Fa2 J/b 5 (center of dash) J/c a38 (left side of engine compt) J/c b49 (right side of dash) Nsw Park/neutral position switch (right side of transmission) Pnk Power management control ecu (center of dash) St fuse 30a St relay Sta Star Starter Starting Wiring Diagram, without Smart Key System for Toyota 4Runner Limited 2012 List of elements for Starting Wiring Diagram, without Smart Key System for Toyota 4Runner Limited 2012: 42 A1 (left front of engine compt) A23 Acc Alt fuse 140a Am1 Am1 fuse 7.5a Am2 B37 B53 B58 B65 Battery Bf2 C35 C59 Ca1 Canh Canl Computer data lines system Driver side r/b assembly (left end of dash) Ecm (right end of dash) Engine room j/b assembly (left side of engine compt) Engine room r/b assembly (left side of engine compt) F50 Fa2 Ignition (or) starter switch assembly J/b 4 (left side of dash) J/b 5 (center of dash) J/c a38 (left side of engine compt) J/c b49 (right side of dash) Lock Nsw Off Park/neutral position switch (right side of transmission) Red St fuse 30a St relay St1 St2 Sta Start Starter
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 3) for Toyota 4Runner Limited 2012 List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Toyota 4Runner Limited 2012: 76 (center right of dash) dcm (telematics transceiver) (left end of dash) curtain air bag cutoff switch (left side of dash) lower instrument panel air bag assembly 1 (right side of dash) front passenger squib circuit (instrument panel passenger w/o door air bag assembly) +sl +sr -sl -sr Air bag on/off ind Air bag sensor assembly (below center of dash) B35 B47 Bbl+ Bbl- Bcl+ Bcl- Buckle switch C24 C39 C41 C42 C46 C47 C50 Canh Canl Computer data lines system D2+ D2- Dk+ Dk- Driver side j/b Driver side squib circuit (horn button assembly) F33 F39 F4 (lower center right of dash) F5 (lower center of dash) First step Fz1 Gsw Gsw3 Icl+ Icl- Ig2 Interior lights system Io1 J/b 4 (left side of dash) J/c f64 (center left of dash) Lbe+ Lbe- Left curtain shield air bag assembly Left door side air bag sensor assembly (lower left front door) Left front seat inner belt assembly (driver's seat) Left front seat outer belt assembly (base of left "b" pillar) Left rear air bag sensor (base of left "c" pillar) Left side air bag squib circuit (under driver's seat) Lower instrument panel air bag assembly 2 (right side of dash) P-ab P2+ P2- Paon Pk+ Pk- Pl+ Pl- Pretensioner Red Rmil Rmsw Second step Sfl+ Sfl- Spiral cable sub- assembly (top of f24 steering column) Telltale light assembly Z12 Z13 Supplemental Restraints Wiring Diagram (2 of 3) for Toyota 4Runner Limited 2012 List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Toyota 4Runner Limited 2012: 56 (behind left side of front bumper) left front air bag sensor (behind right side of front bumper) right front air bag sensor +sl +sr -sl -sr A49 A68 Air bag sensor assembly (below center of dash) B14 B15 B18 B27 B30 Bbr+ Bbr- Bcr+ Bcr- Bdr+ Bdr- Ber+ Ber- C15 C17 C26 C51 C55 D39 Driver side j/b Ecu-b fuse 10a Engine room r/b assembly (left side of engine compt) Fa4 Fsr+ Fsr- Gauge fuse 7.5a Hn1 Hot at all times Hot in on or start Icr+ Icr- Ign fuse 10a J/b 4 (left side of dash) J/b 5 (center of dash) Na2 Pr+ Pr- Pretensioner Rear floor side air bag sensor (front of right rear wheelwell) Red Right curtain shield air bag assembly (top of right "d" pillar) Right door side air bag sensor assembly (lower right front door) Right front seat outer belt assembly (base of right "b" pillar) Right rear air bag sensor (base of right "c" pillar) Right side air bag squib circuit (front passenger's seat) Sfr+ Sfr- Supplemental Restraints Wiring Diagram (3 of 3) for Toyota 4Runner Limited 2012 List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Toyota 4Runner Limited 2012: 43 B14 B63 Bgnd Bsw Buckle switch C44 C45 Combination meter assembly Computer data lines system Dia Driver side j/b Fn1 Fsr+ Fsr- Gnd Ig2 J/b 4 (left side of dash) J/c f64 (center left of dash) Left front occupant detection sensor (under front passenger's seat) Left front seat inner belt assembly (driver's seat) Left rear occupant detection sensor (under front passenger's seat) N1 (right "b" pillar) Na2 Occupant detection ecu (under front passenger's seat) Pnk Red Right front occupant detection sensor (under front passenger's seat) Right rear occupant detection sensor (under front passenger's seat) Rsca off ind Sgd1 Sgd2 Sgd3 Sgd4 Sig1 Sig2 Sig3 Sig4 Srs ind Svc1 Svc2 Svc3 Svc4 A10
TRANSMISSION 4WD Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for 4WD Wiring Diagram for Toyota 4Runner Limited 2012: 63 (center of dash) j/b 5 2-4 4lo ind 4wd fuse 20a A18 A65 A66 A68 B14 B2 (right rear of engine) B22 B54 B55 B60 B63 Bf2 C30 C55 Canh Canl Cdl Center differential lock ind Combination meter assembly Computer data lines system D30 D39 Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu-b fuse 10a Engine room r/b assembly (left side of engine compt) Ex1 Exi3 F46 F47 F51 Fa1 Four wheel drive control ecu (right side of dash) Gauge fuse 7.5a Gnd Gnd1 Hl1 Hl2 Hm1 Hm2 Hot at all times Hot in on or start Ig+ J/b 4 (left side of dash) J/b 5 (center of dash) J/c f57 (right end of dash) J/c f64 (center left of dash) J/c f65 (right kick panel) Pnk Red Rlp Skid control ecu w/ actuator assembly (left rear of engine compt) Tl1 Tl2 Tl3 Tm1 Tm2 Transfer position switch (center console) Transfer shift actuator assembly (transmission assembly) A/T Wiring Diagram (1 of 3) for Toyota 4Runner Limited 2012 List of elements for A/T Wiring Diagram (1 of 3) for Toyota 4Runner Limited 2012: 67 (left side of engine compt) j/c a38 +b2 A1 (left front of engine compt) A64 B36 B37 B38 B39 Batt C20 C31 D26 Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu-ig 1 fuse 10a Efi fuse 25a Efi main relay Engine room j/b assembly (left side of engine compt) Epa Epa2 Eta Ethw F50 F51 Fa2 Geo1 Hot at all times Hot w/ ig 1 relay energized Hot w/ ig2 relay energized Ign fuse 10a J/b 4 (left side of dash) J/c a36 (left end of dash) J/c a39 (left side of engine compt) J/c f57 (right end of dash) Mrel Nca Nt+ Nt- Pnk Red Sftd Sftu Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- St1- Stop light switch assembly Stp Tho1 Tho2 Thw Transmission revolution sensor (counter gear) (transmission assembly) Transmission revolution sensor (turbine) (transmission assembly) Vcp2 Vcpa Vcta Vpa Vpa2 Vta1 Vta2 A/T Wiring Diagram (2 of 3) for Toyota 4Runner Limited 2012 List of elements for A/T Wiring Diagram (2 of 3) for Toyota 4Runner Limited 2012: 31 (center of dash) j/b 5 (left end of dash) j/c a36 (left side of dash) accelerator pedal sensor assembly (right side of transmission) park/neutral position switch A16 B35 B59 Bf2 C57 Efi engine coolant temperature sensor (rear of engine) Engine controls system Engine room r/b assembly (left side of engine compt) Epa Epa2 Fa2 Hot at all times J/b 5 (center of dash) J/c b48 (right side of dash) Nca Pnk R n Red Starting/charging system Stop fuse 10a Throttle w/ motor body assembly (throttle body assembly) Vcp2 Vcpa Vpa Vpa2 Vta Vta2 A/T Wiring Diagram (3 of 3) for Toyota 4Runner Limited 2012 List of elements for A/T Wiring Diagram (3 of 3) for Toyota 4Runner Limited 2012: 32 (transmission assembly) A/t oil ind A65 B14 B63 Buzzer C54 Canh Canl Chk Combination meter assembly Computer data lines system Electronically controlled transmission solenoid J/b 4 (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) Malfunction indicator lamp Ot+ Ot- Ot2+ Ot2- Sftd Sftu Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Transmission control switch (center console) Rear Differential Lock Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Rear Differential Lock Wiring Diagram for Toyota 4Runner Limited 2012: 88 (if equipped) rear differential lock indicator switch 4lo ind 4wd 4wd fuse 20a 4wd ind 4wdl A/t p ind A18 A64 A68 Add B14 B2 (right rear of engine) B22 B35 B36 B50 B51 B54 B55 B59 B63 Bd1 Bf1 Bf2 C20 C31 C55 Canh Canl Center differential lock ind Combination meter assembly Computer data lines system D30 D39 Differential lock switch (w/ crawl control) Differential vacuum actuator assembly (front of engine) Dl1 Dl2 Dm1 Dm2 Driver side j/b assembly (left end of dash) Ecm (right end of dash) Ecu-b fuse 10a Ecu-ig 1 fuse 10a Engine room r/b assembly (left side of engine compt) Ex1 Exi3 F20 F46 F47 F51 Fa1 Fo1 Four wheel drive control ecu (right side of dash) Fs1 Gauge fuse 7.5a Gnd Gnd2 Hot at all times Hot in on or start Ig+ Interior lights system J/b 4 (left side of dash) J/b 5 (center of dash) J/c f57 (right end of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) J/c f65 (right kick panel) J/c u7 (overhead console) O1 (left "b" pillar) Park/neutral position switch (right side of transmission) Pnk Qd1 Qo1 Qo2 Rear differential lock ind (if equipped) Rear differential shift lock actuator (w/ crawl control) (rear differential assembly) Red Rlp Rly1 Rly2 Skid control ecu w/ actuator assembly (w/ crawl control) (left rear of engine compt) Su1 Tfn Transfer indicator switch (4wd position) (transmission assembly) Transfer indicator switch (l4 position) (transmission assembly) Transfer indicator switch (neutral position) (transmission assembly)
TRUNK, TAILGATE, FUEL DOOR Back Door Opener Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Back Door Opener Wiring Diagram for Toyota 4Runner Limited 2012: 50 Acc Acc fuse 7.5a Back door lock assembly (lower center of tailgate) Back door opener switch Bdcy Bdr Becu Bk dr lock relay Bkl Bkul Canh Canl Computer data lines system Courtesy Ctye D/l 2 fuse 25a D39 Door back fuse 30a Driver side j/b assembly (left end of dash) Ecu b fuse 10a Ecu ig fuse 10a Engine room r/b assembly (left side of engine compt) F10 F11 F55 F56 Gnd Gnd2 Hot at all times Hot in on or acc Hot in on or start Hsw+ Hsw- J/c f55 & f56 (left side of dash) J/c f55 (left side of dash) J/c f63 (left kick panel) Keye License plate light assembly Lock Main body ecu Multiplex network door ecu (lower center of liftgate) O2 (base of left "d" pillar) Pnk Red Tailgate control switch assembly Tr+ Unlock Vo1 Vw1 W10 Retractable Running Boards Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012 List of elements for Retractable Running Boards Wiring Diagram (1 of 2) for Toyota 4Runner Limited 2012: 66 (left kick panel) j/c f63 (left side of dash) j/c f55 & f56 A1 (left front of engine compt) A41 A42 Ao1 B14 B15 Becu Canh Canl Computer data lines system Cty1 Cty2 D39 Diode (side auto step switch assembly) (front of left rear wheelwell) Dpl1 Dpl2 Driver side j/b (left end of dash) Ecu-b fuse 10a Ecu1 Ecu2 Engine room r/b assembly (left side of engine compt) F10 F27 F55 F56 Fa2 Fin Flcy Fn1 Fo1 Fout Frcy Gnd Gnd1 Gnd2 Hot at all times Ill+ Ill- Ind Interior lights system J/c a43 J/c n22 (above right rear wheelwell) J/c o18 (base of left "c" pillar) Lcty Left front door courtesy light switch assembly Left rear door courtesy light switch assembly Left side auto step motor assembly (base of left "b" pillar) Main body ecu (driver side j/b assembly) Pnk Prb fuse 30a Rcty Red Right front door courtesy light switch assembly Right rear door courtesy light switch assembly Side auto step controller ecu assembly (left end of dash) Side auto step switch assembly (left end of dash) Sp1+ Spd Ssr+ Ssr- Ssr1 Ssr2 Stw1 Stw2 Retractable Running Boards Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012 List of elements for Retractable Running Boards Wiring Diagram (2 of 2) for Toyota 4Runner Limited 2012: 21 A68 An1 Arb ind B14 B22 B63 C55 Combination meter assembly Computer data lines system Dpl2 Driver side j/b assembly (left end of dash) Fa2 Gauge fuse 7.5a Hot in on or start J/b 4 (left side of dash) J/c f64 (center left of dash) Red Reverse Right side auto step motor assembly (front of right rear wheelwell) Ssr2 Stw2
WARNING SYSTEMS Key Reminder & Seat Belt Warning Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Key Reminder & Seat Belt Warning Wiring Diagram for Toyota 4Runner Limited 2012: 67 (driver's seat) A49 A68 A75 Air bag sensor assembly (below center of dash) B14 B18 B22 B27 B30 B35 B63 Bgnd Blink Bsw Buckle switch Buzzer C15 C17 C28 C33 C51 C55 Canh Canl Combination meter assembly Computer data lines system D39 Dia Door ind Driver side j/b assembly (left end of dash) Driver's seat belt ind Ecu-b fuse 10a Engine room r/b assembly (left side of engine compt) F27 F33 Flcy Fn1 Front passenger's seat belt warning Fsr+ Fsr- Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Ig+ Ign fuse 10a J/b 4 (left side of dash) J/b 5 (center of dash) J/c f64 (center left of dash) Ksw Lapb Lapl Lbe+ Lbe- Left front door courtesy light switch assembly Left front seat inner belt assembly Left front seat inner belt assembly (driver's seat) Main body ecu (driver side j/b assembly) N1 (right "b" pillar) Na2 Occupant detection ecu (under front passenger's seat) P/sb Pnk Red Telltale light assembly Unlock warning switch assembly Tire Pressure Monitoring Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Tire Pressure Monitoring Wiring Diagram for Toyota 4Runner Limited 2012: 56 +5v A64 A68 B12 B14 B20 B22 B63 B72 Buzzer C31 C54 C55 Canh Canl Combination meter assembly Computer data lines system D39 Driver side j/b (left end of dash) Ecm (right end of dash) Ecu-b fuse 10a Ecu-ig 1 fuse 10a Engine room r/b assembly (left side of engine compt) F50 F55 F56 Fa2 Fo1 Gauge fuse 7.5a Gnd Gnd2 Hot at all times Hot in on or start Ig+ Ind J/b 4 (left side of dash) J/b 5 (center of dash) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) J/c f64 (center left of dash) Mgnd Oo1 Pnk Rda Red Rf5v Sil Skid control ecu w/ actuator assembly (left rear of engine compt) Sp1 Spd Tach Tire Tire pressure ind Tire pressure warning antenna & receiver (top center rear of roof) Tire pressure warning ecu (right side of dash) Vo2
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Front Wiper/Washer Wiring Diagram for Toyota 4Runner Limited 2012: 35 A1 (left front of engine compt) A2 (right front of engine compt) Az1 C13 C55 Canh Canl Combination meter Computer data lines system Driver side j/b assembly (left end of dash) F20 F21 F55 Fa2 Fa3 Front washer jar & pump assembly (right front of engine compt) Front washer switch Front wiper switch Gauge fuse 7.5a Hot in on or start Ig+ Int J/c f55 & f56 (left side f56 of dash) J/c f63 (left kick panel) Mist Off Red Washer fuse 20a Washer ind (canada) Washer level switch (canada) Windshield washer motor Windshield wiper motor assembly (left rear of engine compt) Windshield wiper switch assembly Wip fuse 30a Wlvl Rear Wiper/Washer Wiring Diagram for Toyota 4Runner Limited 2012 List of elements for Rear Wiper/Washer Wiring Diagram for Toyota 4Runner Limited 2012: 50 (base of left "d" pillar) (right front of engine compt) a2 +1r A12 A25 A26 Bracket assembly (top center of liftgate) C1r C37 C41 C47 D27 Driver side j/b assembly (left end of dash) Ecu-ig fuse 10a Engine room r/b assembly (left side of engine compt) F10 F20 F21 F30 F55 F56 Fa1 Front washer jar & pump assembly (right front of engine compt) Gnd Hot in on or start J/b 4 (left side of dash) J/c a37 (left side of engine compt) J/c f55 & f56 (left side of dash) J/c f63 (left kick panel) Main body ecu (driver side j/b assembly) Multiplex network door ecu (lower center of liftgate) Off On+washer Oo1 Pnk Rear washer & wiper switch Rear washer relay Rear wiper motor & p Red Rwc1 Rwls Rwsw Sgnd Sig Vo2 Washer Washer fuse 20a Windshield wiper switch assembly Wip+ Wip-
