Diagram sections — 33 (70 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Infiniti Q45 2002: 60 (behind right side of dash) m114 (behind right side of dash) m115 A/c auto amplifier (behind dash, on left side of center console) A/c switch A/c-av (fr tx) Acc Air mix door motor (passenger side) (behind right side of center console, on heater unit) Amb sens Ambient sensor (attached to hood lock stay) Av-a/c (fr rx) Bat Clk Clk (fr) Clk (rr) Combination meter Comp on comp on Ecm comp Fan on Fan pwm Fuse 10a Fuse block (j/b) 1 (left end of dash) Gnd Ground Hot at all times Hot in acc or on Hot in on or start Ign In-vehicle sensor (behind lower driver panel) Incar sens Intake door motor (behind right side of center console, on heater unit) Intake sens J/c 11 (behind right side of dash) J/c 12 (behind upper center of dash) J/c 14 (behind right side of dash) J/c 16 (behind right side of dash) J/c 19 (behind right side of dash) J/c 3 (behind left side of dash) J/c 4 (behind left side of dash) Lan sig M119 M120 M25 (behind left side of dash) M41 M42 Mode door motor (passenger side) (behind right side of center console, on heater unit) Pnk Rear control switch Red Rr ac (rr tx) Rr-a/c (rr rx) Rr/vent actr+ Rr/vent actr- Sens gnd Speed sens Sun sens Sunload sensor (behind left side of dash) Sw a/c Unified meter control unit Vactr W/t sens Automatic A/C Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Infiniti Q45 2002: 46 (behind right side of dash) m114 11r 18r Ac-av Acclk Acrly Air conditioner relay Air mix door motor (driver side) Av & navi control unit (or av control unit) Av-ac Avcc Blower motor (below right side of dash, on intake unit) Blower relay Bus + Bus - Bus shield Closed Compressor Cooling unit assembly Display Engine control module (ecm) (behind glove box) Engine controls system F101 F102 Fuse 10a Fuse 15a Fuse block (j/b) 2 (right kick panel) Fuse, fusible link & relay block (j/b) (in right front side of engine compartment) Gnd-a Hot at all times Intake sensor J/c 12 (behind upper center of dash) J/c 30 (behind right side of dash) M115 (behind right side of dash) M83 Mode door motor (driver side) Multifunction switch Nca Open Pdpres Pnk Rear vent door motor (behind left front side of center console) Red Refrigerant pressure sensor (front right side of engine compartment, near condenser) Right side of dash) m115 Shield
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams (1 of 2) for Infiniti Q45 2002 List of elements for Anti-lock Brake Wiring Diagrams (1 of 2) for Infiniti Q45 2002: 73 (near left strut tower) e67 Abs w/l Ascd Ascd control unit Bls Can-h Can-l Computer data lines system Data link connector (under left side of dash) Diag-l Fl mav Fl mv-av Fl ss Fl ss gnd Fl usv Fr mav Fr mv-av Fr mv-ev Fr ss Fr ss gnd Fr usv Fuse 17 15a Fuse 6 10a Fuse 7 10a Fuse 9 10a Fuse block no.1 (behind left end of dash) Gnd Gnd1 Gnd2 Hot at all times Hot in on or start J/c 11 (behind top center of dash) J/c 12 (behind top center of dash) J/c 4 (behind upper left side of dash) J/c 7 (behind upper left side of dash) J/c 8 (behind upper left side of dash) J/c 9 (behind upper left side of dash) Left front wheel sensor Left rear wheel sensor Lis Pkb sw Pnk Pressure sensor Psm Pss Psu Right front wheel sensor Right rear wheel sensor Rl mv-av Rl mv-ev Rr mv-av Rr mv-ev Rr ss Rr ss gnd Rs ss Rs ss gnd Rxd Slip lamp Stop lamp switch (on bracket, above brake pedal) Tcs in Txd Vcc Vdc actuator (right rear of engine compartment) Vdc off lamp Vdc off sw Vdc/tcs/abs control unit (behind right kick panel) Vlp+ Vlp- Vout Yrsm Yrsrff Yrst Yrsu Anti-lock Brake Wiring Diagrams (2 of 2) for Infiniti Q45 2002 List of elements for Anti-lock Brake Wiring Diagrams (2 of 2) for Infiniti Q45 2002: 41 (left side of dash) m24 (left side of dash) m25 (near fuse, fusible link & relay block) e24 12v Abs Bite Brake fluid level switch (left rear of engine compt, on brake fluid reservoir) Bs out Can-h Can-l Combination meter Computer data lines system Drs out Electronic suspension system Fuse d 30a Fuse f 30a Fuse k 50a Fuse, fusible link & relay block (right front side of engine compt) Gnd Ground Hot at all times J/c 17 (behind upper right side of dash) J/c 3 (behind left side of dash) J/c 5 (behind upper left side of dash) Low voltage detection circuit Motor relay Parking brake switch (behind dash, at park brake assembly) Precharge pump ((next to brake master cylinder) Ref Sensor 1 Sensor 2 Sensor 3 Slip Solenoid valve relay Steering wheel angle sensor Unified meter control unit Vdc off Vdc off switch (under left side of dash) Vdc relay box (behind front grille) Warnings system Yaw rate and g sensor (under center console)
ANTI-THEFT Anti-theft Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Anti-theft Wiring Diagram (1 of 2) for Infiniti Q45 2002: 58 (body ground) (canada) (usa) 13r 19r 20b 25r Accessory B17 B217 B57 Battery Between full stroke & neutral Body control module (bcm) (left kick panel) Data line a-3 Door sw (as) Door sw (dr) Door sw (rr) Driver's door switch E62 Front passenger's door switch Fuse 10a Fuse 15a Fuse 20a Fuse block no. 1 (left end of dash) Fuse, fusible link & relay box (in right front side of eng compt) Ground Head- lamp relay Headlamp rly Headlights system High horn Hood sw Hood switch Horn chirp Horn relay Hot at all times Hot in on or accy Hot in on or start Ignition Joint connector 16 (behind upper right side of dash) Joint connector 25 Joint connector 3 (behind left side of dash, near fuse block) Joint connector 37 Joint connector 9 (behind upper left side of dash) Keyless ground Keyless power Keyless sign Left rear door lock assembly Low horn M24 (body ground) Muti-remote control receiver Red Right rear door lock assembly Theft ind Trunk lid key cylinder switch (unlock switch) Trunk room lamp switch Trunk sw Trunk unlock sw Anti-theft Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Anti-theft Wiring Diagram (2 of 2) for Infiniti Q45 2002: 33 B17 (body ground) B217 (body ground) Bat (c/b) Battery Circuit breaker Data line a-3 Door Door locks system Driver door control unit (inside left front door) Fuse 10a Fuse block no. 1 (left end of dash) Ground Hot at all times Joint connector 11 (behind top center of dash, taped to harness) Joint connector 15 (behind upper right side of dash) Joint connector 20 (behind upper right side of dash, taped to harness) Joint connector 21 (behind upper right side of dash) Joint connector 3 (behind left side of dash, near fuse block) Joint connector 41 Joint connector 6 (behind upper left side of dash, taped to harness) Left rear door control unit Local data line Lock switch Locks M114 (body ground) M24 (body ground) Multifunction switch Passenger's door control unit Right rear door control unit Security indicator System Unlock sens Unlock switch Immobilizer Wiring Diagram (NATS) for Infiniti Q45 2002 List of elements for Immobilizer Wiring Diagram (NATS) for Infiniti Q45 2002: 25 (right side of dash) Ecm (behind glove box) F8 (left side of engine) Fuse 1 10a Fuse 32 10a Fuse 6 10a Fuse 8 10a Fuse block no. 1 (left end of dash) Fuse block no. 2 (right kick panel) Hot at all times Hot in on or start Joint con- nector 20 (behind upper right side of dash, tape to harness) Joint con- nector 3 (behind left side of dash, near fuse block) Joint connector Joint connector (behind upper left side of dash) Joint connector (behind upper right side of dash) Joint connector 11 (behind top center of dash, taped to harness) Key switch & key lock solenoid M115 Multi-function switch Nats antenna amp (in ignition key cylinder) Nats immu (behind dash, left of steering column) Red Security indicator Steering lock control unit (behind dash, right of steering column)
BODY COMPUTER Body Computer Wiring Diagrams (1 of 2) for Infiniti Q45 2002 List of elements for Body Computer Wiring Diagrams (1 of 2) for Infiniti Q45 2002: 67 (tilt sw (down) A/d grd Acc Auto sens B17 (below left front seat) Body control module (bcm) (left kick panel) Chime Combo sw (auto) Data link connector (consult) (under left side of dash, near hood lock release handle) Defog sw Defogger system Detent sw Door locks system Door sw (as) Door sw (rl) Exterior lights system Flasher Front door switch (passenger side) Fuse 14 10a Fuse 21 10a Fuse block no. 1 (left end of dash) Gnd Hdlt relay Headlights system Hot in accy or on Hot in start Iiurx Iiutx Ill out Instrument cluster system Int (vr) Interior lights system Joint connector 3 (behind upper left side of dash) Joint connector 8 (behind upper left side of dash) K/less gnd K/less sig K/less sig pwr Left rear door lock assembly (door switch) Light sw M24 (left side of dash) Memory sw 1 Memory sw 2 Memory systems Mirror sw down Mirror sw left Mirror sw right Mirror sw up Mirrors system Navigation system Pnk Red Seats system Select sw lh Select sw rh Set sw Shift interlock system Shift lock sol Speed sig Tail relay Telesco sw (fr) Tilt sens Tilt sw (up) Tilt/tele sen pwr Warning systems Wash sw Wiper/washer system Wipr int sw Body Computer Wiring Diagrams (2 of 2) for Infiniti Q45 2002 List of elements for Body Computer Wiring Diagrams (2 of 2) for Infiniti Q45 2002: 72 20b A/d batt A/d gnd All off Anti-theft system B217 (below right front seat) Batt Body control module (bcm) (left kick panel) Circuit breaker 1 Computer data lines system Data line a-1 Data line a2 Data line a3 Defogger system Door sw (dr) Door sw (rr) Door warn lmp E204 E62 (near oil level gauge) Exterior lights system Front door switch (driver side) Fuse 1 10a Fuse 3 10a Fuse block no. 1 (behind left kick panel) Gnd Headlamp battery saver control unit Hood sw Hood switch Horn chrp Horn system Hot at all times Hot in on or start Ign Ign key Instrument cluster system Interior lights system Joint connector 3 (behind left side of dash, near fuse block) Joint connector 37 Joint connector 9 (behind upper left side of dash) Key switch M24 (left side of dash) Map/l (lh) Map/l (rh) Mem ind 2 Memory ind 1 Memory systems Personal lmp sw Pnk Rap output Red Rev-lmp sw Right rear door lock assembly (door switch) Rl personal lmp (rl) Rr def Rr personal lmp Seat belt sw Tele motor (fr) Tele motor (rr) Telesco sens Theft ind Tilt motor (down) Tilt motor (up) Total ill Trunk opener Trunk opener sw Trunk sw Trunk unlock sw Trunk, tailgate, fuel doors system Warning system Wiper amp Wiper auto stop Wiper/washer system
COMPUTER DATA LINES Computer Data Lines for Infiniti Q45 2002 List of elements for Computer Data Lines for Infiniti Q45 2002: 36 (left kick panel) Body computer module (bcm) (left kick panel) Can h Can l Combination meter Data line a1 Data line a2 Data line a3 Data link connector (left side of dash, near hood lock release handle) Drivers door module Drivers seat control unit (under drivers seat) Drivers side door mirror control unit (in drivers door) Engine control module (ecm) (behind glove box) F8 (left side of engine) Front passenger door control unit Front passenger door mirror control unit (in front passenger door) Fuse 58 10a Fuse 6 10a Fuse block (j/b) no. 1 Fuse, fusible link and relay block (right front of engine compt) Hot at all times Hot in on or start Joint connector 11 (top center of dash, taped to harness) Joint connector 15 (behind upper right side of dash) Joint connector 29 Joint connector 5 (upper left side of dash, taped to harness) Joint connector 8 (behind upper left side of dash) Kline Left rear door control unit Local data line M25 (left side of dash) Pnk Right rear door control unit Steering angle sensor Transmission control module (tcm) (behind glove box) Vdc/tcs/abs control unit (right kick panel)
CRUISE CONTROL Cruise Control Wiring Diagram for Infiniti Q45 2002 List of elements for Cruise Control Wiring Diagram for Infiniti Q45 2002: 67 21r 24r 29r 31r Actr high side Air valve Air valve low side Ascd brake switch (on bracket, above brake pedal) Ascd control unit (behind dash, left of steering column) Ascd pump (behind dash, left of steering column) Ascd steering wheel switch Brake sw input Cancel Combination meter Computer data lines Control sw (a/d) input Control sw input (gnd) Cruise Cruise lamp input Data link connector (under left side of dash, beside hood lock release handle) E24 (near fuse, fusible link and relay box) Ecm prun input Engine control module (ecm) (behind glove box) Etc prun F8 (left side of engine) Fuse 12 10a Fuse 17 15a Fuse 9 10a Fuse block (j/b) no.1 (left end of dash) Fuse, fusible link and relay box (right front of engine compartment) Gnd Gnd-c Hot at all times Hot in on and start Ign sw Joint connector 12 (top center of dash, taped to harness) Joint connector 16 (behind upper right side of dash) Joint connector 18 (behind upper right side of dash) Joint connector 4 (behind upper left side of dash) Joint connector 5 (upper left side of dash, taped to harness) Joint connector 7 (behind upper left side of dash) Joint connector 8 (behind upper left side of dash) M114 (right side of dash) M24 (left side of dash) M25 (left side of dash) Main switch Motor low side Od cancel sw Park/neutral position relay Rel valve low side Release valve Resume/ accel Rxi Set Set lamp output Set/ coast Solenoid monitor input Start rly Stoplight switch (on bracket above brake pedal) Tcs input Throttle position input Transmission control module (behind glove box) Tvo0 Txi Vacuum motor Vdc/tcs/abs control unit (right kick panel) Vehicle speed input
DEFOGGERS Defogger Wiring Diagram for Infiniti Q45 2002 List of elements for Defogger Wiring Diagram for Infiniti Q45 2002: 32 (rear window) condenser (right side of dash) m114 (upper right side of dash joint connector 17 20b B17 (below left front seat) B422 (right "c" pillar) Body control module (bcm) (left kick panel) Def sw Door mirror defogger relay (behind left kick panel) Driver side door mirror defogger Fuse 1 10a Fuse 10 20a Fuse 11 20a Fuse 4 10a Fuse block (j/b) 1 (left end of dash) Gnd Grd Hot at all times Hot in on or start Hot in or or accy Ignition Joint connector 16 (upper right side of dash) Joint connector 2 (left side of dash) M114 (right side of dash) M24 (left side of dash) Multifunction switch Passenger side door mirror defogger Rear defog Rear window defogger Rear window defogger relay (behind left kick panel) Rr def f/b Rr def on
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Infiniti Q45 2002 List of elements for Electronic Power Steering Wiring Diagram for Infiniti Q45 2002: 25 Combination meter Computer data lines system E24 (near fuse, fusible link & relay block) Engine control module (ecm) (behind glove box) Fuse 7 10a Fuse 9 10a Fuse block (j/b) 1 (left end of dash) Grd Hot in on or start Ign Joint connector 16 (upper right side of dash) Joint connector 18 (upper right side of dash) Joint connector 19 (upper right side of dash) Joint connector 4 (upper left side of dash) Joint connector 9 (upper left side of dash) M114 (right side of dash) M24 (left side of dash) M41 M43 Power steering control unit (behind dash, right side of center console) Power steering solenoid valve (on steering rack assembly) Sol Tach Unified meter control unit Vsp
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Infiniti Q45 2002: 67 (center rear of trunk) b57 Active damper suspension control unit (left rear shock tower) Active damper suspension select switch Actr lf b Auto B17 (below left front seat) B37 B38 Bat Data link connector (under left side of dash, near hood lock release handle) E24 (near fuse, fusible link & relay box) E62 (near oil level gauge) Ecm (behind glove box) Eps sol Fr com actr Fuse 17 15a Fuse 6 10a Fuse 7 10a Fuse block no. 1 (left end of dash) G sens fr in G sens gnd G sens pwr G sens rr in Gnd 1 Gnd 2 Gnd 3 Hot at all times Hot in on or start Ign 1 Ign 2 Ign 4 Ind Interior lights system Joint connector Joint connector (behind top center of dash) Joint connector (behind upper left side of dash) Joint connector (behind upper right side of dash) Joint connector 11 (behind top center of dash) Joint connector 19 (behind upper right side of dash) Joint connector 3 (behind left side of dash) Joint connector 31 Joint connector 5 (behind upper left side of dash) Left front shock absorber actuator Lf actr a Lf actr b Lr actr a Lr actr b M25 (left side of dash) Nca Pnk Power steering solenoid valve (on steering rack assembly) Red Rf actr a Rf actr b Right front shock absorber actuator Rr actr a Rr actr b Rr actr com Select Speed sens Sport Stop sw Stop- light switch (on bracket above brake pedal) Strg sen 1 Strg sen 2 Strg sen neu Tacho Electronic Suspension Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Infiniti Q45 2002: 29 12v Anti-lock brakes system B17 (below left front seat) B217 (below righ front seat) Can-h Can-l Combination meter Computer data lines system Front vertical g sensor Fuse 9 10a Fuse block no. 1 (left end of dash) Gnd Hot in on or start Joint connector Joint connector 16 (behind upper right side of dash) Joint connector 4 (behind upper left side of of dash) Left rear shock absorber actuator M115 (right side of dash) M24 (left side of dash) Nca Pnk Rear vertical g sensor Right rear shock absorber actuator Sen1 Sen2 Sen3 Solid state Sport ind Steering wheel angle sensor
ENGINE PERFORMANCE
4.5L 4.5L, Engine Performance Wiring Diagrams (1 of 5) for Infiniti Q45 2002 List of elements for 4.5L, Engine Performance Wiring Diagrams (1 of 5) for Infiniti Q45 2002: 66 (behind upper left side of dash) j/c 4 A/c system Acrly Active damper suspension unit control unit (left rear shock tower) Ascd control unit (behind dash, left of steering column) Combination meter Cooling fan speed control solenoid valve (on front of engine) Crankshaft position sensor (pos) (on rear of cyl block) Crtn Cvbv Dual mode muffler control unit (at right of luggage compt) Engine control module (ecm) (behind glove box) Etc prun Evap Evap canister purge volume control solenoid valve (on top right rear of engine) F8 (on engine block, near dipstick) Fpcm Fpr Fuel injector Fuse 10a Fuse block (j/b) 1 (left end of panel) Hot in on or start Ign 1 Ign 2 Ign 3 Ign 4 Ign 5 Ign 6 Ign 7 Ign 8 Ignsw Inj 1 Inj 2 Inj 3 Inj 4 Inj 5 Inj 6 Inj 7 Inj 8 J/c J/c 19 (behind upper right side of dash) J/c 28 Led Malfunction indicator lamp Motrly Nca O2hfl O2hfr O2hrl O2hrr Pnk Pos Power steering control unit (behind dash, right side of center console) Prf+ Prf- Prun in Red Ssoff Stsw Tacho Tp in Tvo0 Unified meter control unit Vacuum cut valve bypass valve (under rear of vehicle, forward of evap canister) Vias Vias control solenoid valve (top front center of engine) 4.5L, Engine Performance Wiring Diagrams (2 of 5) for Infiniti Q45 2002 List of elements for 4.5L, Engine Performance Wiring Diagrams (2 of 5) for Infiniti Q45 2002: 28 (behind upper right side of dash) j/c 19 22r Condenser Ecm relay F8 (on engine block, near dipstick) F9 (on engine block, near dipstick) Fuse 10a Fuse 15a Fuse 20a Fuse block (j/b) 1 (left end of panel) Fuse block (j/b) 2 (right kick panel) Fuse, fusible link & relay block (j/b) (in right front side of engine compt) Hot at all times Hot in on or start Hot in start Ignition coil 1 (w/ power transistor) Ignition coil 2 (w/ power transistor) Ignition coil 3 (w/ power transistor) Ignition coil 4 (w/ power transistor) Ignition coil 5 (w/ power transistor) Ignition coil 6 (w/ power transistor) Ignition coil 7 (w/ power transistor) Ignition coil 8 (w/ power transistor) Nca Plug spark Red Spark plug Throttle control motor relay 4.5L, Engine Performance Wiring Diagrams (3 of 5) for Infiniti Q45 2002 List of elements for 4.5L, Engine Performance Wiring Diagrams (3 of 5) for Infiniti Q45 2002: 25 (behind top center of dash) j/c 12 33r 34r Camshaft position sensor (phase) (on front of left cyl head) F8 (on engine block, near dipstick) Fuel pump relay Fuse 10a Fuse 15a Fuse block (j/b) 1 (left end of panel) Fuse block (j/b) 2 (right kick panel) Fuse, fusible link & relay block (j/b) (in right front side of engine compt) Heated oxygen sensor 1 (bank 1) (on inlet of left catalytic converter) Heated oxygen sensor 1 (bank 2) (on inlet of right catalytic converter) Heated oxygen sensor 2 (bank 1) (on outlet of left catalytic converter) Heated oxygen sensor 2 (bank 2) (on outlet of right catalytic converter) Hot at all times Hot in on or start Intake valve timing control position sensor (bank 1) (on front of left cyl head) Intake valve timing control position sensor (bank 2) (on front of right cyl head) J/c J/c 30 Nca Radiator coolant temperature sensor (left side of radiator) Red Refrigerant pressure sensor (front right side of engine compt, near condenser) 4.5L, Engine Performance Wiring Diagrams (4 of 5) for Infiniti Q45 2002 List of elements for 4.5L, Engine Performance Wiring Diagrams (4 of 5) for Infiniti Q45 2002: 35 (right kick panel) b217 Absolute pressure sensor (on right side of firewall) Accelerator pedal position (app) sensor 1 Accelerator pedal position (app) sensor 2 Aps1 Avcc2 Batt Condenser Electric throttle control actuator Engine control module (ecm) (behind glove box) Engine coolant temperature sensor (on top rear of engine) Evap control system pressure sensor (in evap purge line) F8 (on engine block, near dipstick) Fuel pump control module (fpcm) (on right side of luggage compt) Gnd a Gnd a2 Ivcpusl Ivcpusr J/c J/c 28 J/c 29 Mass airflow (maf) sensor (intake air temp sensor) (between air duct & air cleaner housing) Nca Neut Pdpres Phase Pnk Power steering pressure (psp) sensor Qa+ Red Starting/ charging system Throttle control motor Throttle position (tp) sensor 1 Throttle position (tp) sensor 2 Tps2 4.5L, Engine Performance Wiring Diagrams (5 of 5) for Infiniti Q45 2002 List of elements for 4.5L, Engine Performance Wiring Diagrams (5 of 5) for Infiniti Q45 2002: 52 (left kick panel) b17 Aps2 Avcc Brksw Can h Can l Cdcv Computer data lines system Dropping resistor Engine control module (ecm) (behind glove box) Evap canister vent control valve (under rear of vehicle, on evap canister) F8 (on engine block, near dipstick) F9 (on engine block, near dipstick) Fgauge+ Fgauge- Fpcmck Ftprs Fuel level sensor unit & fuel pump (in fuel tank) Gnd c Gnd e Gnd m Im lime Intake valve timing control solenoid valve (bank 1) (on top front of left cyl head) Intake valve timing control solenoid valve (bank 2) (on top front of right cyl head) Ivcl Ivcr J/c J/c 15 (behind upper right side of dash) J/c 7 (behind upper left side of dash) Kline Knk1 Knk2 Knock sensor (bank 1) (below left side of intake manifold) Knock sensor (bank 2) (below right side of intake manifold) Motor 1 Motor 2 Nats immu (behind dash, left of steering column) Nca O2sfl O2sfr O2srl O2srr Pnk Pres Pspres Qa- Red Stop lamp switch (on bracket, above brake pedal) Tps1 Tvo0 Twrf Vmot
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Infiniti Q45 2002 List of elements for Back-up Lamps Wiring Diagram for Infiniti Q45 2002: 12 B57 (center rear of trunk) Back- up Back-up lamp relay ctrl Backup lamp relay (in fuse, fusible link & relay block) Fuse 10a Fuse block (j/b) 1 (left end of dash) Hot in on or start Joint conector 4 (behind upper left side of dash) Joint conector 9 (behind upper left side of dash) Left rear combination lamp Right rear combination lamp Transmission control module (tmc) (behind glove box) Exterior Lamps Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Infiniti Q45 2002: 57 12r 1st 20b 26r 2nd Auto B217 (below right front seat) B57 (center rear of trunk) Bat Body control module (bcm) (left kick panel) Comb sw Combi- nation switch (lighting switch) Door sw Driver side front door switch E44 (near battery) E62 (near oil level gauge) Fuse 1 10a Fuse 17 15a Fuse 54 15a Fuse 6 10a Fuse block (j/b) 1 (left end of dash) Fuse, fusible link & relay block (j/b) (right front side of engine compt) Gnd H/l rly H/l sw Headlamp battery saver control unit (behind left side of dash) Headlights system High- mounted stop lamp Hot at all times Hot in on or start Ign sw Instrument cluster system Joint connector (behind top center of dash) Joint connector (behind upper left side of dash) Joint connector (behind upper right side of dash) Left front combination lamp Left license lamp Left rear combination lamp M115 (right side of dash) M25 (left side of dash) Off Parking Passenger side front door switch Rap Rap out Right front combination lamp Right license lamp Right rear combination lamp Shift interlock system Side marker Stop Stop lamp switch (on bracket, above brake pedal) T/l rly T/l sw Tail Tail lamp relay Turn Exterior Lamps Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Infiniti Q45 2002: 38 (behind upper right side of dash) joint connector 20 10b 11b 17b 18b Bat Body control module (bcm) (left kick panel) Combination flasher unit (behind right side of center console) Combination meter Combination switch (turn signal switch) Driver side door mirror (turn signal) E62 (near oil level gauge) Fuse 22 15a Fuse 5 5a Fuse block (j/b) 1 (left end of dash) Gnd Haz sw & bcm Hazard Hazard switch Hot at all times Hot in on or start Ign Ill Interior lights system Joint connector (behind top center of dash) Joint connector 4 (behind upper left side of dash) Left front combination lamp (turn signal) Left turn Left turn ind Low tire pressure warning control unit (behind center of dash) M114 (right side of dash) M24 (left side of dash) Passenger side door mirror (turn signal) Pnk Right front combination lamp (turn signal) Right turn Right turn ind T/s sw
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Infiniti Q45 2002: 96 Active damper suspension control unit Air bag diagnostic sensor unit Ascd control unit Av & navi control unit (w/ navi) Av control unit (for canada w/ rear conrol switch) B16 (below left front seat) B17 (below left front seat) B216 (below right front seat) B217 (below right front seat) B256 (right front of trunk) B57 (center rear of trunk) Bose speaker amp Camshaft position sensor (phase) Condenser Crankshaft position sensor (pos) Data link connector Door mirror defogger relay Driver seat control unit (lcu02) Dropping resistor Dual mode muffler control unit Ecm F8 (left side of eng) F9 (left side of eng) Front seat cushion heater (driver side) Front seat cushion heater (passenger side) Fuel pump control module (fpcm) Heated oxygen sensor 1 (bank 1) Heated oxygen sensor 1 (bank 2) Heated oxygen sensor 2 (bank 1) Heated oxygen sensor 2 (bank 2) Hihg-mounted stop lamp Ignition coil (w/ power transistor) no.1 Ignition coil (w/ power transistor) no.2 Ignition coil (w/ power transistor) no.3 Ignition coil (w/ power transistor) no.4 Ignition coil (w/ power transistor) no.5 Ignition coil (w/ power transistor) no.6 Ignition coil (w/ power transistor) no.7 Ignition coil (w/ power transistor) no.8 Intake valve timing control position sensor (bank 1) Intake valve timing control position sensor (bank 2) Left license lamp Left rear ashtray illumination Left rear combination lamp -stop/tail -back-up -turn signal Left rear door control unit Left rear door lock actuator Left rear door lock assembly (door switch) Left rear power seat control unit (w/ heated seat) Left rear power seat control unit (w/o heated seat) Left rear power seat switch Left rear power window regulator Left rear seat cushion heater Left rear shock absorber actuator Nats immu Option connector 1 for voice activated system Power seat switch (driver side) Power seat switch (passenger side) Rear sunshade unit Rear view camera Rear view camera control unit Right license lamp Right rear ashtray illumination Right rear combination lamp -stop/tail -back-up -turn signal Right rear door control unit Right rear door lock actuator Right rear door lock assembly (door switch) Right rear power seat control unit (w/ heated seat) Right rear power seat control unit (w/o heated seat) Right rear power seat switch Right rear power window regulator Right rear seat cushion heater Right rear shock absorber actuator Seat belt buckle switch Seat belt buckle switch (passenger side) Shield wire (left front shock absorber actuator) Shield wire (left rear shock absorber actuator) Shield wire (mass air flow sensor) -mass air flow sensor -intake air temperature sensor Shield wire (rear view camera) Shield wire (right front shock absorber actuator) Shield wire (right rear shock absorber actuator) Shield wire (voice activation control module) Shield wire [camshaft position sensor (phase)] Shield wire [crankshaft position sensor (pos)] Shield wire [electric throttle control actuator (accelerator pedal position (app) sensor)] Shield wire [electric throttle control actuator (accelerator pedal position sensor)] Shield wire [electric throttle control actuator (throttle control motor)] Shield wire [electric throttle control actuator (throttle position sensor)] Shield wire [intake valve timing control position sensor (bank 1)] Shield wire [intake valve timing control position sensor (bank 2)] Shield wire [left side air bag (satellite) sensor] Shield wire [right side air bag (satellite) sensor] Shield wire [tcm (trnasmission control module)] Tcm (trnasmission control module) Trunk lid key cylinder switch Trunk room lamp switch Voice activated control module
HEADLIGHTS Headlamps Wiring Diagram, with DRL (1 of 2) for Infiniti Q45 2002 List of elements for Headlamps Wiring Diagram, with DRL (1 of 2) for Infiniti Q45 2002: 77 (behind center of dash) (behind upper left side of dash) (behind upper right side of dash) (center rear of luggage compt) 20b Acc Auto Auto light sen Auto light sen gnd Av and navi control unit (w/ navi) Av contro unit (w/o navi) Bat Body control module (bcm) (left kick panel) Comb sw (auto) Combination switch (lighting switch) Data link connector (dlc) Door sw as Door sw dr Driver door switch Fuse 1 10a Fuse 21 10a Fuse 3 10a Fuse 6 10a Fuse 8 10a Fuse block no. 1 (left kick panel) Gm1 Gm7 Gnd Gnd1 Gnd2 H/l rly out1 H/l rly out2 H/l sw1 H/l sw2 H/lamp rly Head Headlamp battery saver control unit (behind dash, left of steering column) Hot at all times Hot in on or acc Hot in on or start Ign Ign sw Iiurx Iiutx Ill out Interior lights system Joint connector 11 (behind top center of dash, taped to harness) Joint connector 15 Joint connector 16 (behind upper right side of dash) Joint connector 18 (behind upper right side of dash) Joint connector 20 (behind upper right side of dash, taped to harness) Joint connector 3 (behind left side of dash, near fuse block) Joint connector 7 (behind upper left side of dash) Joint connector 8 (behind upper left side of dash) Joint connector 9 Joint connector 9 (behind upper left side of dash) Key sw Key switch and key lock solenoid (key switch) Light sw (1st) Low M115 (right side of dash) M24 (left side of dash) M25 (left side of dash) M33 M34 Nca Off Optical sensor (top left sdie of dash) Park Pass Rap input Rap output T/l rly out 1 T/l rly out2 T/l sw1 T/l sw2 Tail/l rly Headlamps Wiring Diagram, with DRL (2 of 2) for Infiniti Q45 2002 List of elements for Headlamps Wiring Diagram, with DRL (2 of 2) for Infiniti Q45 2002: 55 12r 13r 25r 26r Alt Alternator Combination meter Daytime light control unit E26 E27 E28 E42 (near battery) E62 (near oil level gauge) Front passenger door switch Fuse 14 10a Fuse 54 15a Fuse 55 20a Fuse 57 20a Fuse 73 15a Fuse 82 10a Fuse block (right side of engine compt) Fuse block no. 1 (left kick panel) Fuse, fusible link and relay box (right front side of engine compartment) Ge4 Gnd Headlamp relay 1 Headlamp relay 2 Hid High High beam indicator Hot at all times Hot in on or start Hot in start Ign Joint connector (behind left side of dash, near fuse block) Joint connector (behind upper right side of dash) Joint connector 13 (top center of dash, taped to harness) Joint connector 20 (behind upper right side of dash, taped to harness) Left headlamp Lh light Lh light fuse Lh light main Lh main sw Low Parking brake switch Pkb sw Red Rh light Rh light fuse Rh light main Rh main sw Right headlamp Start Starting charging system Tail lamp relay Headlamps Wiring Diagram, without DRL (1 of 2) for Infiniti Q45 2002 List of elements for Headlamps Wiring Diagram, without DRL (1 of 2) for Infiniti Q45 2002: 71 20b Acc Auto Auto light sen Auto light sen gnd Av control unit (w/o navi) (behind center of dash) Bat Body control module (bcm) (left kick panel) Comb sw (auto) Combination switch (lighting switch) Data link connector (dlc) Door sw as Door sw dr Driver door switch Fuse 1 10a Fuse 21 10a Fuse 3 10a Fuse 6 10a Fuse 8 10a Fuse block no. 1 (left kick panel) Gm1 Gm7 Gnd Gnd1 Gnd2 H/l rly out1 H/l rly out2 H/l sw1 H/l sw2 H/lamp rly Head Headlamp battery saver control unit (behind dash, left of steering column) Hot at all times Hot in on or acc Hot in on or start Ign Ign sw Iiurx Iiutx Ill out Interior lights system Joint connector 11 (behind top center of dash, taped to harness) Joint connector 15 (behind upper right side of dash) Joint connector 16 (behind upper right side of dash) Joint connector 18 (behind upper right side of dash) Joint connector 20 (behind upper right side of dash, taped to harness) Joint connector 3 (behind left side of dash, near fuse block) Joint connector 7 (behind upper left side of dash) Joint connector 8 (behind upper left side of dash) Joint connector 9 (behind upper left side of dash) Key sw Key switch and key lock solenoid (key switch) Light sw (1st) Low M115 (body ground) M24 (body ground) M25 (body ground) M33 M34 Nca Off Optical sensor (top left sdie of dash) Park Pass Rap input Rap output T/l rly out 1 T/l rly out2 T/l sw1 T/l sw2 Tail/l rly Headlamps Wiring Diagram, without DRL (2 of 2) for Infiniti Q45 2002 List of elements for Headlamps Wiring Diagram, without DRL (2 of 2) for Infiniti Q45 2002: 30 12r 13r 25r 26r Combination meter E11 E42 (body ground) E62 (body ground) Front passenger door switch Fuse 54 15a Fuse 55 20a Fuse 57 20a Fuse 73 15a Fuse block no. 1 (left kick panel) Fuse, fusible link and relay box (right front side of engine compartment) Ge4 Headlamp relay 1 Headlamp relay 2 Hid High High beam indicator Hot at all times Joint connector (behind left side of dash, near fuse block) Joint connector 13 (top center of dash, taped to harness) Joint connector 20 (behind upper right side of dash, taped to harness) Left headlamp Low Red Right headlamp Tail lamp relay
HORN Horn Wiring Diagram for Infiniti Q45 2002 List of elements for Horn Wiring Diagram for Infiniti Q45 2002: 13 19r Body control module (bcm) (left kick panel) Combination switch (spiral cable) Fuse 64 15a Fuse, fusible link & relay block (j/b) (right front side of engine compt) High horn (left front of engine compt) Horn chrp Horn relay Horn switch Hot at all times Joint connector 25 (left kick panel) Low horn (right front of engine compt) Red
INSTRUMENT CLUSTER Gauges & Indicators Wiring Diagram for Infiniti Q45 2002 List of elements for Gauges & Indicators Wiring Diagram for Infiniti Q45 2002: 87 (w/ odo, trip meter & a/t indicator) 15a A/c auto system A/t device A/t oil temp Abs Air bag Anti-lock brakes system Auto B17 (below left front seat) Belt Brake Brake fluid level switch (on brake fluid reservoir) Charge Combination meter Computer data lines system Computer data system Cruise Cruise control system Defogger system Door Door locks system E24 (near fuse, fusible link & relay box) E9 (left front shock tower) Electroinc suspension system Engine ccontrol module (ecm) (behind glove box) Exterior lights system Fluorescent lamp Fuel Fuel gauge Fuel level sensor unit (in fuel tank) Fuel sen (+) Fuel sen (-) Fuse 21 10a Fuse 6 10a Fuse 9 10a Fuse block (j/b) 1 (left end of dash) Headlights system High beam Hot at all times Hot in on or acc Hot in on or start Illum Ind out Instrument cluster system (w/ vehicle information system) Instrument cluster system (w/ vehicle infromation system) Interior lights system Joint connector 11 (top center of dash) Joint connector 17 (upper right side of dash Joint connector 3 (left side of dash) Joint connector 4 (upper left side of dash) Joint connector 4 side of dash) of dash) Left turn Low tire pressure warning control unit (behind center of dash) Low volt detection M114 (right side of dash) M24 (left side of dash) M41 M42 M43 Mal ind out Malfunction indicator lamp Manual Mode select switch Nca Oil Oil pressure switch (front center of engine) Parking brake switch (on park brake assembly) Pnk Position select switch Red Right turn Seat belt buckle switch Set Shift interlock system Slip Speedometer Sport Starting/ charging system Tachometer Tire pressure Unified meter control unit Vdc off Warning systems Washer level switch (washer fluid reservoir) Water temp gauge Wiper/washer system Vehicle Information System Wiring Diagram, with Navigation or Rear Controls (Canada) (1 of 2) for Infiniti Q45 2002 List of elements for Vehicle Information System Wiring Diagram, with Navigation or Rear Controls (Canada) (1 of 2) for Infiniti Q45 2002: 78 (behind center of dash) (center rear of trunk) (center rear of trunk) b57 (near fuse, fusible link & relay box) 17d 19b 19d 23r Acc Av control unit av & navi control unit Av-av Av-cn Av-me B29 B30 B32 B33 B34 Bat Body control module (bcm) (left kick panel) Bus (+) Bus (-) Bus shield Cn-av Combination meter Combination switch (spiral cable) Computer data lines system Data out Display E24 Exterior lights system Ftp Fuse 1 10a Fuse 17 15a Fuse 21 10a Fuse 52 15a Fuse block (j/b) 1 (left end of dash Fuse block (j/b) 1 (left end of dash) Fuse, fusible link & relay box (right front side of engine compt) Gnd Hot at all times Hot in on or acc Ign Iirux Iiutx Ill Ill con Inh Interior lights system Joint connector 12 (top center of dash) Joint connector 17 (upper right side of dash) Joint connector 3 (left side of dash) Joint connector 4 (upper left side of dash) Joint connector 7 (top center of dash) Joint connector 7 (upper left side of dash) Low tire pressure warning control unit (behind center of dash) M114 (right side of dash) M41 Multifunction switch Navigation system Nca Parking brake switch (on parking brake assembly) Pkb Pnk Red Rgb gnd Rgb sync Rx strg Shield Speed Starting/ charging system Steering switch Stop lamp switch (above brake pedal) Tv (+) Tv (-) Tv sync Unified meter control unit W/o navigation system w/ navigation system Vehicle Information System Wiring Diagram, with Navigation or Rear Controls (Canada) (2 of 2) for Infiniti Q45 2002 List of elements for Vehicle Information System Wiring Diagram, with Navigation or Rear Controls (Canada) (2 of 2) for Infiniti Q45 2002: 41 (+) (-) (voice activated system) option connector 3 Acc Acp a Acp b Audio out (+) Audio out (-) Audio phn (+) Audio phn (-) Audio shield Audio unit (center of dash) B256 (right front of trunk) B27 B57 center rear of trunk) B59 B69 B71 Batt Bose speaker amplifier (center front of luggage compt) Bus (+) Bus (-) Gnd Joint connector Mic in (+) Mic in (-) Microphone (above rearview mirror) Mute Mute pse in Nca Option connector 1 (voice activated system) Option connector 2 (voice activated system) Phn out (+) Phn out (-) Phn shield Phone (+) Phone (-) Pnk Red Shield Voice activated control module (left rear of luggage compt) Vehicle Information System Wiring Diagram, without Navigation (1 of 2) for Infiniti Q45 2002 List of elements for Vehicle Information System Wiring Diagram, without Navigation (1 of 2) for Infiniti Q45 2002: 73 (near fuse, fusible link & relay box) 17d 19b 19d 23r Acc Av control unit (behind center of dash) Av-av Av-cn Av-me Bat Body control module (bcm) (left kick panel) Bus (+) Bus (-) Bus shield Cn-av Combination meter Combination switch (spiral cable) Computer data lines system Data out Display E24 Ftp Fuse 1 10a Fuse 17 15a Fuse 21 10a Fuse 52 15a Fuse block (j/b) 1 (left end of dash Fuse block (j/b) 1 (left end of dash) Fuse, fusible link & relay box (right front side of engine compt) Gnd Hot at all times Hot in on or acc Ign Iirux Iiutx Ill Ill con Inh Interior lights system Joint connector 12 (top center of dash) Joint connector 17 (upper right side of dash) Joint connector 3 (left side of dash) Joint connector 4 (upper left side of dash) Joint connector 7 (top center of dash) Joint connector 7 (upper left side of dash) Jt conn 5 (left side of dash) Low tire pressure warning control unit (behind center of dash) M114 (right side of dash) M25 (left side of dash) M41 M50 M77 M78 Multifunction switch Navigation system Nca Parking brake switch (on parking brake assembly) Pkb Pnk Red Rgb gnd Rgb sync Rx strg Shield Speed Starting/ charging system Steering switch Stop lamp switch (above brake pedal) Tv (+) Tv (-) Tv sync Unified meter control unit Vehicle Information System Wiring Diagram, without Navigation (2 of 2) for Infiniti Q45 2002 List of elements for Vehicle Information System Wiring Diagram, without Navigation (2 of 2) for Infiniti Q45 2002: 41 (+) (-) (voice activated system) option connector 3 Acc Acp a Acp b Audio out (+) Audio out (-) Audio phn (+) Audio phn (-) Audio shield Audio unit (center of dash) B256 (right front of trunk) B27 B57 center rear of trunk) B59 B69 B71 Batt Bose speaker amplifier (center front of luggage compt) Bus (+) Bus (-) Gnd Joint connector Mic in (+) Mic in (-) Microphone (above rearview mirror) Mute Mute pse in Nca Option connector 1 (voice activated system) Option connector 2 (voice activated system) Phn out (+) Phn out (-) Phn shield Phone (+) Phone (-) Pnk Red Shield Voice activated control module (left rear of luggage compt)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Infiniti Q45 2002: 74 (near fuse, fusible link and relay box) 10k 12r 1st 20b 26r 2nd Acc All off Auto Bat Body computer module (bcm) (left kick panel) Combination switch Computer data lines system Data line Door sw (as) Door sw (dr) Door sw (rl) Door sw (rr) Driver front door switch E24 Full Fuse 1 10a Fuse 54 15a Fuse 6 10a Fuse 8 10a Fuse block (behind left side of dash) Fuse, fusible link & relay box (near battery) Gnd Gnd1 Gnd2 Half Headlamp battery saver control unit (behind dash, left of steering column) Hot at all times Hot in on or start Ign Ign key ill Ign sw Ignition key hole illumination Iiurx Iutx Joint connector 11 (top center of dash, taped to harness) Joint connector 15 (upper right side of dash) Joint connector 16 (behind upper right side of dash) Joint connector 16 (top center of dash, taped to harness) Joint connector 18 (upper right side of dash) Joint connector 20 (upper right side of dash, taped to harness) Joint connector 5 (upper left side of dash, taped to harness) Junction connector 13 (top center of dash taped to harness) Junction connector 2 (left side of dash, near fuse block) Key sw Key switch and key lock solenoid (key switch) Light sw (1st) M115 (right side of dash) M24 (left side of dash) M25 (left side of dash) M33 M34 Map/l (lh) Map/l (rh) Navigation system Off Personal lamp (rl) Personal lamp (rr) Personal lamp sw Rear interior lamp Right front door switch T/l rly out1 T/l rly out2 T/l sw1 T/l sw2 Tail/l rly Taillight relay (in fuse, fusible link & relay box) Total ill Courtesy Lamps Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Infiniti Q45 2002: 52 Auto B17 (below left front seat) B17 (below right front seat) B217 (below right front seat) Bat (c/b) Circuit breaker Closed D38 D39 D58 D59 D78 D79 Data line a3 Driver door control unit Driver front door lcok actuator (door unlock sensor) Drivers step lamp E24 (near fuse, fusible link and relay box) Front interior lamp Fuse 21 10a Fuse 3 10a Fuse block no. 1 (left end of dash) Gnd Hot at all times Hot in acc and on Interior lights illumination Joint connector Joint connector (left side of dash, near fuse block) Joint connector (upper left side of dash) Joint connector (uppper left side of dash, taped to harness) Joint connector (uppper right side of dash, taped to harness) Junction connector 15 (upper right side of dash) Left map light Left rear control unit Left rear door lock assembly (door switch) Left rear step lamp Local data line Locked M114 (right side of dash) M24 (left side of dash) Off Open Passenger door control unit Red Right front step lamp Right map light Right rear control unit Right rear door lock assembly (door switch) Right rear step lamp Step/l Unlock sens Unlocked Instrument Illumination Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Infiniti Q45 2002: 62 10k 12r 1st 20b 26r 2nd Auto Auto return cancel switch Bat Body control module (bcm) (left kick panel) Comb sw (auto) Combination meter Combination switch (light switch) Console box lamp Ddor mirror remote control switch Door sw (as) Door sw (dr) Driver front door switch Fluorescent lamp Front interior lamp Fuse 1 10a Fuse 54 15a Fuse 6 10a Fuse 8 10a Fuse 9 10a Fuse block (behind left side of dash) Fuse, fusible link & relay box (near battery) Gnd1 Gnd2 Headlamp battery saver control unit (behind dash, left of steering column) Hot at all times Hot in on or start Ign sw Ill out Joint connector (upper left side of dash) Joint connector (upper left side of dash, taped to harness) Joint connector 11 (top center of dash, taped to harness) Joint connector 16 (behind upper right side of dash) Joint connector 16 (top center of dash, taped to harness) Joint connector 17 (behind upper right side of dash) Joint connector 18 (behind uppper fight side of dash) Joint connector 5 (upper left side of dash, taped to harness) Light sw (1st) M114 (right side of dash) M115 (right side of dash) M24 (left side of dash) M25 (left side of dash) M33 Off Rap input Rap output Rear control switch Rear sunshade rear switch Right front door switch T/l rly out 1 T/l rly out 2 T/l sw 1 T/l sw 2 Taillight relay (in fuse, fusible link & relay box) Tal/l rly Unified meter control unit W/o memory mirrors Instrument Illumination Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Infiniti Q45 2002: 33 (right side of dash) m114 (right side of dash) m115 A/t device Active damper suspension select switch Ashtray Audio unit B17 (body ground) B217 (body ground) Clock Door lock/ unlock switch Driver door control unit Driver heated seat switch Front cigarette lighter Front rear sunshade switch Front window main auto sw Glove box lamp Hazard switch Headlamp aiming switch Illumination control switch Joint connector 1 (behind left side of dash, near fuse block) Joint connector 13 (behind top center of dash, taped to harness) Joint connector 2 (behind left side of dash, near fuse block) Left rear ashtray Left rear power seat switch Lighter socket M25 (body ground) Multifunction switch Passenger door control unit Power window main switch Right front heated seat switch Right rear ashtray Right rear power seat switch Vdc off switch VAnity Mirror & Trunk Lamp Wiring Diagram for Infiniti Q45 2002 List of elements for VAnity Mirror & Trunk Lamp Wiring Diagram for Infiniti Q45 2002: 11 10k B57 (center rear of trunk) Driver side vanity mirror lamp E24 (left end of dash) Fuse 27 10a Fuse block no. 1 (behind left side of dash) Hot at all times Joint connector 15 (upper right side of dash) Passenger side vanity mirror lamp Trunk room lamp Trunk room lamp switch
MEMORY SYSTEMS Memory System Wiring Diagrams (1 of 3) for Infiniti Q45 2002 List of elements for Memory System Wiring Diagrams (1 of 3) for Infiniti Q45 2002: 77 (left end of dash) 20b A/d batt A/d gnd A/d grd A/t device detention switch (shifter assembly) Acc Adp steering switch Batt Body control module (bcm) (left kick panel) Circuit breaker 1 Circuit breaker 2 Computer data lines system Data line 3 Data line a1 Data line a2 Detent switch Door sw Drivers front door switch Exterior lamps system Fuse 10a Fuse block (j/b) (behind left side of dash) Gnd Hot at all times Hot in on or accy Hot in on or start Hot in start Ign Instrument cluster Instrument cluster system Iurx Iutx Joint connector Joint connector (left side of dash, near fuse block) Joint connector (upper right side of dash) Joint connector 16 (behind upper right side of dash) Joint connector 2 (behind left side of dash, near fuse block) Joint connector 2 (left side of dash, near fuse block) Joint connector 6 (behind upper left side of dash, taped to harness) Joint connector 9 (behind upper left side of dash) Key switch Key switch (ignition switch assy) M114 (right end of dash) M115 (right side of dash) M24 M24 (left side of dash) Mem 1 Mem 1 sw Mem 2 Mem 2 sw Mirror sw down Mirror sw left Mirror sw right Mirror sw up Pnk Red Rev lamp sw Seat memory switch Select sw left Select sw right Set sw Tele motor Tele signal Tele sw (fr) Tele sw (rr) Tele switch Telescope motor (lower part of steering column) Telescopic sensor (lower part of steering column) Tilt motor Tilt motor (upper part of steering column) Tilt sens Tilt sensor (upper part of steering column) Tilt sw dwn Tilt sw up Tilt switch Tilt/tele 5v Vsp Memory System Wiring Diagrams (2 of 3) for Infiniti Q45 2002 List of elements for Memory System Wiring Diagrams (2 of 3) for Infiniti Q45 2002: 35 Bat Computer data lines Data line a2 Data line a3 Door mirror remote control switch Down Driver side door mirror actuator Drivers side door mirror control unit Gnd Interior lights system Joint connector 15 (upper right side of dash) Joint connector 17 (upper right side of dash) Joint connector 18 (upper right side of dash) Joint connector 19 (upper right side of dash) Joint connector 20 (upper right side of dash) Joint connector 41 Joint connector 5 (upper left side of dash, taped to harness) Left M114 right side of dash) M24 (left side of dash) M25 (left side of dash) Mirror motor Mirror sens (left/right) Mirror sens (up/down) Motor (left/right) Motor (up/down) Passenger side door mirror actuator Passengers side door mirror control unit Pnk Red Right Sensor (left/right) Sensor gnd Sensor power Sensor pwr Memory System Wiring Diagrams (3 of 3) for Infiniti Q45 2002 List of elements for Memory System Wiring Diagrams (3 of 3) for Infiniti Q45 2002: 43 14a 15b 16a 32a 32b 32c B17 (left front door sill) Batt Data line a1 Driver's seat control unit (under driver's seat) Driver's side lifting device (bottom of seat frame) Driver's side power seat switch Driver's side reclining motor Driver's side sliding motor Front slide sensor Frt lift dwn Frt lift up Frt pulse sw Frt reclin mtr Frt reclin sw Frt slide mtr Frt slide sw Grd Lumbar support motor Pnk Pulse sw grd Rear slide sensor Reclin puls sw Recline switch Red Rr lft up Rr lift dwn Rr lift up Rr pulse sw Rr reclin mtr Rr reclin sw Rr slide mtr Rr slide sw Slide pulse sw Slide switch Switch frt lift Switch lumbar Switch rear lift
NAVIGATION Navigation Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Navigation Wiring Diagram (1 of 2) for Infiniti Q45 2002: 60 12r 17d 19b 19d 20b 23r 26r Acc Av and navi control unit (at center rear of luggage compartment) Av-cn Av-me B57 (center rear of trunk) Bat Bose speaker amp (at center front of luggage compt) Bus shield Bus+ Bus- Cn-av Display E24 (near fuse, fusible link & relay box) Exterior lights system Ftb Fuse 10a Fuse 15a Fuse block no.1 (behind left end of dash) Fuse, fusible link & relay box (in right front side of engine compt) Gnd Gps ant gnd Gps antenna Gps sig Hot at all times Hot in acc or on Hot in on or start Ign Ill Ill con Inh J/c 12 (behind top center of dash) J/c 3 (behind left side of dash) J/c 4 (behind upper left of dash) Left front door speaker M114 (right side of dash) Me-av Multi- function switch Navi + Navi - Nca Pkb Pnk Red Rgb gnd Rgb sync Shield Shields Solid state Speed Stop lamp switch (on bracket, above brake pedal) Tail lamp relay Voice + Voice - Navigation Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Navigation Wiring Diagram (2 of 2) for Infiniti Q45 2002: 51 (right side of dash) m115 1st 2nd 61s 69s Auto Backup lamp relay Bat Body control module (behind left kick panel) Comb sw Combination meter Combination switch (lighting module) Data line computer system Data link connector (under left side of dash) Exterior lights system Fuse, fusible link & relay box (in right front side of engine compt) Gnd1 Gnd2 Headlamp battery saver control uint (behind dash left of steering column) Ign sw Iiurx Iiutx Ill out J/c 11 (behind top center of dash) J/c 16 (behind upper right of dash) J/c 17 (behind upper right of dash) J/c 18 (behind upper right of dash) J/c 3 (behind left side of dash) J/c 7 (behind upper left of dash) J/c 8 (behind upper left of dash) J/c 9 (behind upper left of dash) Lap output M24 (left side of dash) M25 (left side of dash) Nca Off Parking brake switch Pnk Rap input Red Rev lamp rly Shield Start rly Starting system T/l rly out1 T/l rly out2 T/l sw1 T/l sw2 Tail/l rly Transmission control module (behind glove box) Unified meter control unit
POWER ANTENNA Power Antenna Wiring Diagram for Infiniti Q45 2002 List of elements for Power Antenna Wiring Diagram for Infiniti Q45 2002: 11 Aac Ant signal Antenna amplifier Audio unit Fuse 21 10a Fuse block no. 1 (left end of dash) Hot in on or accy Joint connector 3 (behind left side of dash, near fuse block) Main window antenna Nca Sub window antenna
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Infiniti Q45 2002 List of elements for Power Distribution Wiring Diagram (1 of 3) for Infiniti Q45 2002: 55 (near fuse, fusible link & relay box) 16r 20r 22r 23r 27r 28r 29r 33r 34r Air condi- tioner relay Air conditioning system Anti-lock brakes system Av control unit, voice activated control unit, rear view camera control unit, sound system, navigation system Battery Blower motor relay E24 Ecm relay Engine control system Engine control system, computer data lines system, tramsmissions system Engine controls system, transmissions system, anti-theft system From ignition switch (diagram 2 of 3) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse block no. 2 (right kick panel) Fuse, fusible link & relay block (in right front side of engine compt) Fuse, fusible link & relay box (in right front side of engine compt) Fusible link b 50a Fusible link c 50a Fusible link d 30a Fusible link f 30a Fusible link g 50a Fusible link h 40a Fusible link j 30a Fusible link k 50a Fusible link l 50a Headlamp relay 1 Headlamp relay 2 Horn relay Ignition relay Nca Phone Sound system Starting/ charging system Tail lamp relay Throttle control motor relay To fuse (diagram 2 of 3) To fuse block no. 1 (diagram 2 of 3) To fuse block no.1 (diagram 2 of 3) To fuse block no.1 (diagram 3 of 3) To ignition switch (diagram 2 of 3) Transmission system Wiper/ washer system Power Distribution Wiring Diagram (2 of 3) for Infiniti Q45 2002 List of elements for Power Distribution Wiring Diagram (2 of 3) for Infiniti Q45 2002: 49 (near fuse, fusible link & relay box) (right side of dash) (right side of engine compart- ment 10a 10c 19b 20b Acc Accessory relay Air conditioning system Circuit breaker Defogger system, mirrors system, exterior lights system, hanset (phone) Dual mode muffler control unit, defogger system E24 Electronic suspension system, vdc/tcs/abs control unit, electronic power steering system Engine controls system Engine controls system, transmissions system, instrument cluster system, electronic suspension system, electronic power steering system, suplemental restaints system, mirrors system, seats system, starting/charging system, exterior light system, interior light system, wipwer/ washer system, navigation system, electronic suspension system Exterior lights system Exterior lights system (drl) From fusible c link g (diagram 1 of 3) From fusible link c (diagram 1 of 3) From ignition relay (diagram 1 of 3) Front cigarette lighter socket Front power socket Fuse 10a Fuse 15a Fuse 20a Fuse block Fuse block no. 1 (left kick panel) Headlights system (drl), engine controls system Ignition switch Joint connector (behind upper right side of dash) Lock Low tire pressure warning control unit, body contol module, a/c auto amp, headlights system, interior lights system, instrument cluster system, rear view camera control unit, voice activated control module, computer data line system, sound systems, power antenna system, navigation system Low tire pressure warning control unit, headlights system, battery saver control unit M114 Mirrors system Pnk Power tops system, door locks system, anti-theft system, defogger system, power windows system, seats system, headlights system, exterior lights system, interior light system, warning system, wiper/washer system, navigation system, computer data lines system, instrument cluster system Red Seats system Seats system, computer data lines system Shift interlock system, cruise control system Start Starting/ charging system To blower relay (diagram 1 of 3) To fuel pump relay (diagram 1 of 3) To fuse block no. 1 (diagram 3 0f 3) To ignition relay (diagram 1 of 3) Power Distribution Wiring Diagram (3 of 3) for Infiniti Q45 2002 List of elements for Power Distribution Wiring Diagram (3 of 3) for Infiniti Q45 2002: 24 (diagram 2 of 3) 10k 11b Circuit breaker Defogger system Door locks system, anti- theft system, power windows system, computer data lines system Engine controls system, shift interlock system, electronis suspension system, anti-lock brakes system, exterior lights system, warning system, stop lamp switch, navigation system, cruise control system Engine controls system, transmissions system, low tire pressure warning control unit, electronic suspension system, anti-lock brake system, anti-theft system, interior lights system, air conditioning system, exterior lights system, instrument cluster system, warning system, navigation system Exterior lights system From accessory relay k From fusible link h (diagram 1 of 3) Fuse 10a Fuse 15a Fuse 20a Fuse block no. 1 (left kick panel) Integrated homelink transmitter, interior lights system Interior lights system Power top system, door locks system, anti-theft system, power windows system, interior lights system, exterior lights system, computer data lines system Seats system, computer data line system Seats system, computer data lines system Shift interlock system, door locks system, anti-theft system, power windows system, mirrors system, seats system, headlights system, interior lights system, warning lights system, computer data lines system Trunk lid opener relay Trunk/tailgate/ fuel doors system, doors locks system Trunk/tailgate/ fuel doors system, power top system, door locks system, anti-theft system, defogger system, power windows system, interior lights system, mirrors system, seats system, headlights system, exterior lights system, warning systems, wiper washer system, computer data lines system
POWER DOOR LOCKS Door Lock Wiring Diagram for Infiniti Q45 2002 List of elements for Door Lock Wiring Diagram for Infiniti Q45 2002: 59 20b B17 (below left front seat) B217 (below right front seat) Bat Bat (c/b) Between full stroke and n Body control module (bcm) (left kick panel) Circuit breaker 1 Circuit breaker 2 Computer data lines system Data line Data line a3 Door lock Door sw (as) Door sw (dr) Door sw (rl) Door sw (rr) Door unlock Driver door control unit (in drivers door) Driver front door key cylinder switch Driver's door lock actuator Driver's door switch Front passenger's door switch Full stroke Fuse 1 10a Fuse 3 10a Fuse 8 10a Fuse block no. 1 (left end of dash) Gnd Hot at all times Hot in on and start Ign Iiurx Iiutx Instrument cluster system Joint connector Joint connector (upper left side of dash, taped to harness) Joint connector (upper right side of dash) Joint connector (upper right side of dash, taped to harness) Joint connector 20 (upper right side of dash) Joint connector 37 Junction connector 9 (upper left side of dash) Key sw Key switch and key lock solenoid (key switch) Left rear door control unit (inside right rear door) Left rear door lcok assembly (door switch) Left rear door lock actuator Lock Lock sw M114 (right side of dash) M24 (left side of dash) Passenger door control unit (in front passengers door) Passengers door lock actuator Right rear door control unit (inside right rear door) Right rear door lock actuator Right rear door lock assembly (door switch) Unlock Unlock sens Unlock sw Remote/Keyless Entry Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Remote/Keyless Entry Wiring Diagram (1 of 2) for Infiniti Q45 2002: 59 10d 20d Acc Bat Bat (c/b) Body control module (bcm) (left kick panel) Combination flasher unit Computer data lines system Data Data line Data line a3 Door lock Door sw (as) Door sw (dr) Door sw (rl) Door sw (rr) Door unlock Driver door control unit (in drivers door) Driver's door lock actuator Driver's door switch E24 (near fuse, fusible link and relay box) Exterior lamps system (turn lamps) Flasher Front passenger door lcok actuator Front passenger's door switch Fuse 15 20a Fuse 3 10a Fuse 8 10a Fuse block no.1 (left end of dash) Gnd H/l sw Horn system Hot at all times Ign Iiurx Iiutx Instrument cluster system Joint connector (upper right side of dash) Joint connector 20 (upper right side of dash) Junction connector 9 (upper left side of dash) K/less gnd K/less signal Key sw Key switch and key lock solenoid (key switch) L/turn Lock M114 (right side of dash) M24 (left side of dash) Multi-remote control receiver Passenger door control unit (in front passengers door) Power Power (5v) R/turn Trunk lid operer actuator Trunk lid operner cancel switch Trunk lid operner relay Trunk opener Unlock Unlock sens Remote/Keyless Entry Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Remote/Keyless Entry Wiring Diagram (2 of 2) for Infiniti Q45 2002: 28 20b B17 (below left front seat) B217 (below right front seat) Bat (c/b) Circuit breaker 1 Circuit breaker 2 Data line Fuse 1 10a Fuse 21 10a Fuse block no. 1 (left end of dash) Gnd Hot at all times Hot in accy or on Hot in on and start Joint connector Joint connector (upper left side of dash, taped to harness) Joint connector (upper right side of dash) Joint connector (upper right side of dash, taped to harness) Joint connector 3 (left side of dash, near fuse block) Joint connector 37 Left rear door control unit (inside right rear door) Left rear door lcok assembly (door switch) Left rear door lock actuator M24 (left side of dash) Right rear door control unit (inside right rear door) Right rear door lock actuator Right rear door lock assembly (door switch) Unlock sens
POWER MIRRORS Auto Anti-dazzling Inside Mirror for Infiniti Q45 2002 List of elements for Auto Anti-dazzling Inside Mirror for Infiniti Q45 2002: 12 Auto anti- dazzling inside mirror Driver side door mirror (auto anti-dazzling mirror) E24 (near fuse, fusible link & relay box) Fuse 1 10a Fuse block no. 1 (left end of dash) Gnd Hot in on or start Ignition Oec (+) Oec (-) Oec feed Oec return Power Mirrors Wiring Diagram for Infiniti Q45 2002 List of elements for Power Mirrors Wiring Diagram for Infiniti Q45 2002: 12 Changeover switch Door mirror remote control switch Driver's side door mirror actuator Fuse 4 10a Fuse block no. 1 (left end of dash) Hot in on or accy Illumi- nation Interior lights system Joint con- nector 5 (behind upper left side of dash, taped to harness) M25 (left end of dash) Mirror switch Passenger's side door mirror actuator
POWER SEATS Heated Seats Wiring Diagram for Infiniti Q45 2002 List of elements for Heated Seats Wiring Diagram for Infiniti Q45 2002: 44 15a 15b 15c 44b B17 (below left front seat) B217 (below right front seat) Battery Circuit breaker 2 Driver side front power seat Driver side heated seat switch Fuse 81 20a Fuse block (right side of engine compartment) Fuse block no.1 (behind left end of dash) Ground High High ind High indic High sig Hot at all times Hot in on or start Ignition Illumination Interior lights system Joint connector 37 Joint connector 5 (behind upper left side of dash) Joint connector 6 (behind upper left side of dash) Left condenser Left rear power seat Left rear power seat control unit Left rear power seat switch Low Low ind Low indic Low sig M25 (left side of dash) Passenger side front power seat Passenger side heated seat switch Pnk Right condenser Right rear heated seat switch Right rear power seat Right rear power seat control unit Seat back heater Seat cushion heater Passenger's Power Seat Wiring Diagram for Infiniti Q45 2002 List of elements for Passenger's Power Seat Wiring Diagram for Infiniti Q45 2002: 50 Auto return cancel switch B17 (below left front seat) B217 (below right front seat) Back Batt Cancel Cancel sw Circuit breaker 2 Door locks system Door sw Driver seat auto rev signal Forw Fuse block n0.1 (behind left end of dash) Ground Hot at all times Interior lights system Joint connector 36 Joint connector 37 Joint connector 6 (behind upper left side of dash) Left rear door control unit Left rear door lock assembly switch Left rear power seat Left rear power seat control unit Left rear power seat sliding motor Left rear power seat sliding switch Lifting Lifting switch (front) M25 (left side of dash) Open Passenger side lifting motor (front) Passenger side lifting motor (rear) Passenger side reclining motor Passenger side sliding motor Passenger's side front power seat switch Pnk Recline Red Right rear door lock assembly switch Right rear power seat Right rear power seat control unit Right rear power seat sliding motor Right rear power seat sliding switch Sensor Slide switch Sliding mot (back) Sliding mot (for) Sliding sw (back) Sliding sw (for) Switch Switch (rear)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Infiniti Q45 2002 List of elements for Power Top/Sunroof Wiring Diagrams for Infiniti Q45 2002: 33 16b 20b Auto close Auto open Bat Body control module (bcm) (left kick panel) Circuit breaker Close Cpu Down Encoder Fuse 1 10a Fuse 3 10a Fuse block (j/b) 1 (left end of dash) Gnd Headlights system Hot at all times Hot in on or start Ign Joint connector 16 (upper right side of dash) Joint connector 5 (upper left side of dash) Joint connector 9 (upper left side of dash) Limit switch M24 (left side of dash) M25 (left side of dash) Open Pnk Rap output Red Slide switch Sunroof motor Sunroof switch Tilt switch
POWER WINDOWS Power Window Wiring Diagram for Infiniti Q45 2002 List of elements for Power Window Wiring Diagram for Infiniti Q45 2002: 54 (upper right side of dash) joint connector 15 20b Auto dn Auto dn dn Auto up B17 (below left front seat) B217 (below right front seat) Bat Body control module (bcm) (left kick panel) Circuit breaker 1 Circuit breaker 2 Data line Data line a-3 Down Driver door control unit Driver side front door key cylinder switch Driver side front power window regulator Encoder Encoder pwr Front left Front right Fuse 10a Fuse block (j/b) 1 (left end of dash) Ground Hot at all times Hot in on or start Ign Illum Joint connector 16 (upper right side of dash) Joint connector 21 (upper right side of dash) Joint connector 41 Joint connector 6 (upper left side of dash) Joint connector 9 (upper left side of dash) Left front power window sub- switch Left rear door control unit Left rear power window regulator Left rear power window sub-switch Limit sw Local data line Lock Lock sw M114 (right side of dash) M24 (left side of dash) Passenger door control unit Passenger side front power window regulator Pulse Pwr Rear left Rear right Right rear door control unit Right rear power window sub-switch Unlk Unlock Unlock sw
RADIO Radio Wiring Diagrams (1 of 2) for Infiniti Q45 2002 List of elements for Radio Wiring Diagrams (1 of 2) for Infiniti Q45 2002: 57 ant signal illum ctrl audio out shld chg req chg -hu lh input (-) vnc mic(-) (right rear corner of luggage compt) cd auto changer 23r Acc Antenna amp Antenna amplifier Audio out lh- audio out lh+ audio out rh(-) Audio out rh(+) Audio unit Back up Bat Bus(+) shield Bus(-) Center instrument speaker Fuse 21 10a Fuse 52 15a Fuse block (j/b) (behind left side of dash) Fuse, fusible link & relay box (right front side of engine compt) Gnd Gnd Hot at all times Hot in on or acc Hu -chg Interior lights Joint connector (left side of dash, taped to hanress) Joint connector 3 (left side of dash, near fuse block) Joint connector 4 (behind upper left side of dash) Left rear door speaker Lh (+) out Lh (-) out Lh input (+) rh input (-) rh input (+) gnd Light switch M114 (right side of dash) M25 (left side of dash) M86 M87 M88 Nca Pnk Rear control switch Req Rh (+) out Rh (-) out Right rear door speaker Rxd Shield bus (-) bus (+) Shield gnd Txd Vnc mi(+) vnc shield Window ant Window antenna (main) Window antenna (sub) Woofer Radio Wiring Diagrams (2 of 2) for Infiniti Q45 2002 List of elements for Radio Wiring Diagrams (2 of 2) for Infiniti Q45 2002: 56 Acc B231 B232 B233 B234 B256 (right front of trunk) Bat Bose speaker amplifier (center front of luggage compartment) Bus (+) Bus (-) Bus + Bus - Combination switch (spiral cable) Data out Display Fr sp lh (+) Fr-sp lh (-) Fr-sp rh (+) Fr-sp rh (-) Fuse, fusible link and relay block (j/b) (right front side of engine compartment) Fusible link j 30a Gnd Ground Horn system Hot at all times Inst ctr (+) Inst ctr (-) Inst lh (+) Inst lh (-) Inst rh (+) Inst rh (-) Joint connector 37 Left front door speaker Left instrument speaker Mic + Mic - Multifunction switch Nca Pnk Radio in lh (-) Radio in lh (+) Radio in rh (+) Radio in rh (-) Rd strg Red Right front door speaker Right instrument speaker Rr-sp lh (+) Rr-sp lh (-) Rr-sp rh (+) Rr-sp rh (-) Rx rr Shield Steering switch Woofer ((-) Woofer (+)
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Infiniti Q45 2002 List of elements for Shift Interlock Wiring Diagram for Infiniti Q45 2002: 24 (behind right side of dash) m115 (near fuse block) j/c 2 A/t device Bat + Body control module (bcm) (left kick panel) Detent sw Fuse 12 10a Fuse 17 15a Fuse 8 10a Fuse block (j/b) no 1 (left end of dash) Ground Hot at all times Hot in on or start Ign sw J/c 12 (top center of dash) J/c 15 (upper right side of dash) J/c 20 (upper right side of dash) J/c 7 (upper left side of dash) Key lk sol Key switch & key lock solenoid M24 (behind left side of dash) Shift lock control unit (behind dash, left of steering column) Shift lock sol Stoplight switch (above brake pedal)
STARTING/CHARGING Charging Wiring Diagram for Infiniti Q45 2002 List of elements for Charging Wiring Diagram for Infiniti Q45 2002: 11 Alternator Charge warning indicator Combination meter E307 (lower right of eng) Fuse 56 15a Fuse 9 10a Fuse block no 1 (left kick panel) Fuse, fusible link & relay box (in right front side of engine compartment) Hot at all times Hot in on or start Joint connector (behind upper left side of dash) Starting Wiring Diagram for Infiniti Q45 2002 List of elements for Starting Wiring Diagram for Infiniti Q45 2002: 30 14r 15r 17d 19d 21r 24r 29r 31r Acc Battery Cruise control system E24 (near fuse, fusible link relay block) E24 (near fuse, fusible link relay box) Engine conrol module (behind glove box) Fuse & fusible link & relay block (in right front side of eng compt) Fuse & fusible link box (in right front side of eng compt) Fuse block no 1 (behind left end of dash) Fuse link g 50a Hot at all times Ignition switch Joint connector 17 (behind upper right side of dash) Nca Neut Off Park/ neutral position relay Power distribution system Start Start rly Starter motor Transmission control module (behind glove box)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for Supplemental Restraint Wiring Diagram (1 of 2) for Infiniti Q45 2002: 63 (behind left side of dash) m24 (behind right side of dash) m114 (left front door sill) b16 (right front door sill) b216 Air bag diagnosis sensor unit (under rear of center console) Air bag indicator Air bag w/l As1 (+) As1 (-) As2 (+) As2 (-) B13 B213 C-lh (+) C-lh (-) C-rh (+) C-rh (-) Combination meter Data link connector (dlc) (partial) (under left side of dash, near hood lock release handle) Dr1 (+) Dr1 (-), dr2 (-) Dr2 (+) Eczs (+) Eczs (-) Eczs gnd Front right side air bag module Fuse 10a Fuse 20 10a Fuse block (j/b) 1 (left end of dash) Gnd Hot in on or start Ign J/c 11 (behind top center of dash, taped to harness) J/c 4 (behind upper left side of dash) K-line Left lock (+) Left lock (-) Left side air bag (satellite) sensor Left side curtain air bag module M103 M43 Nca P-lh (+) P-lh (-) P-rh (+) P-rh (-) Pnk Red Right front seat belt pretensioner Right lock (+) Right lock (-) Right side air bag (satellite) sensor Right side curtain air bag module S-lh (+) S-lh (-) S-rh (+) S-rh (-) Sat lh (+) Sat lh (-) Sat rh (+) Sat rh (-) Seat buckle sw Unified meter control unit Supplemental Restraint Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for Supplemental Restraint Wiring Diagram (2 of 2) for Infiniti Q45 2002: 15 (left front door sill) b17 (right front door sill) b217 15a Combination switch (spiral cable) Crash zone sensor Driver air bag module Driver side front power seat Front passenger air bag module Left front seat belt pre-tensioner Left front side air bag module Nca Nca (lower center of grille) e59 Passenger side front power seat Red Seat belt buckle switch
TRANSMISSION A/T Wiring Diagram (1 of 2) for Infiniti Q45 2002 List of elements for A/T Wiring Diagram (1 of 2) for Infiniti Q45 2002: 56 A/t fluid temperature sensor 1 A/t fluid temperature sensor 2 A/t unit assembly Atf1 gnd Atf2 gnd D/c-1 D/c-2 Data bit1 Direct clutch solenoid F26 F27 F28 Fr/b-1 Front brake solenoid Gnd High & low reverse clutch solenoid Hlr/c-1 I/c-1 I/c-2 Inh gnd Inh-sw3 Input clutch solenoid Lc/b-1 Lc/b-2 Line pressure solenoid Low coast brake solenoid Mon Park/ neutral position switch Pnk Pressure switch 1 (fr/b) Pressure switch 2 (lc/b) Pressure switch 3 (i/c) Pressure switch 5 (d/c) Pressure switch 6 (hlr/c) Psb2 Psc2 Red Revolution sensor Sel1 Sel2 Sel3 Sel4 Shift control unit Ss gnd Ss vin Sw gnd Sw3 out T1 out T2 out Torque converter clutch solenoid Turbine Turbine revolution sensor Vcc Vign out Vin Vout A/T Wiring Diagram (2 of 2) for Infiniti Q45 2002 List of elements for A/T Wiring Diagram (2 of 2) for Infiniti Q45 2002: 78 (behind top right side of dash) (right side of engine compt) a/t pv igniton relay (with a/t indicator) A/t device Atf1 Atf2 Auto Back-up lamp relay (in the fuse, fusible link & relay box) Batt Can-h Can-l Combination meter Computer data lines system Connector (dlc) (under left side of dash) Data bit1 Data link Dc sol Down E24 (right front strut tower) Ecm relay Engine control module (behind glove box) Engine controls system Exterior lights system F8 (left front of engine compt) Fb sol Fuse 10a Fuse block (j/b) 1 (left end of dash) Fuse block (j/b) 2 (right kick panel) Gnd-c Gnd-p Hot at all times Hot in on or start Ic sol Illum Inh-sw1 Inh-sw2 Inh-sw3 atcu Inh-sw3 mon Inh-sw4 Interior lights system J/c 11 (behind upper right side of dash) J/c 16 (behind right side of dash) J/c 19 (behind right side of dash) J/c 25 (left kick panel) J/c 4 (behind top left side of dash) J/c 5 (behind top left side of dash) K-line Lcb sol Lp sol M114 M24 (behind left side of dash) M25 (behind left side of dash) Manual Mode select switch Nca Pnk Position select switch Psb2 Psc2 Pvign Rc sol Red Rev rly Sel1 Sel2 Sel3 Sel4 Ssoff Start rly Starting/ charging system Tcc sol Transmission control module (behind glove box) Turbine 1 Turbine 2 Unified meter control unit Vign Vign out Vsp1
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Infiniti Q45 2002 List of elements for Trunk & Fuel Door Release Wiring Diagram for Infiniti Q45 2002: 22 10d 20d Bat Body control module (bcm) (left kick panel) E24 (near fuse, fusible link & relay box) Fuel lid opener actuator (right side of luggage compt) Fuel lid opener switch Fuse 20 15a Fuse 3 10a Fuse block no. 1 (left end of dash) Gnd Hot at all times Joint connector 14 (behind upper right side of dash) M24 (left side of dash) Pnk Trunk lid & fuel lid opener switch Trunk lid opener actuator (center rear of deck lid) Trunk lid opener cancel switch Trunk lid opener relay Trunk lid opener switch Trunk opener Trunk opener switch
WARNING SYSTEMS Warning System Wiring Diagrams for Infiniti Q45 2002 List of elements for Warning System Wiring Diagrams for Infiniti Q45 2002: 40 (behind upper right side of dash, taped to harness) j/c 20 (right side of dash) m115 15a 1st 20b 2nd Auto B17 (below left front seat) Bat Body control module (left kick panel) Chime Comb- ination switch (lighting switch) Door sw (dr) Driver's seat belt switch (driver's buckle) Exterior lights system Front door switch (driver side) Fuse 1 10a Fuse 3 10a Fuse 6 10a Fuse 8 10a Fuse block no. 1 (left end of dash) Gnd Hot at all times Hot in on or start Ignition J/c 11 (behind top center of dash) J/c 15 (behind upper right side of dash) J/c 18 (behind upper right side of dash) J/c 3 (behind left side of dash, near fuse block) J/c 9 (behind upper left side of dash) Key sw Key switch (ignition switch assembly) Lt sw (1st) M24 (near fuse, fusible link & relay box) Off Seat blt sw T/l sw1 T/l sw2 Tail/l rly Warning chime (behind instrument cluster)
WIPER/WASHER Wiper/Washer Wiring Diagram for Infiniti Q45 2002 List of elements for Wiper/Washer Wiring Diagram for Infiniti Q45 2002: 38 20b Bat Body control module (behind left kick panel) Combination meter Combination switch (front wiper switch) Data liine computer system E24 (near fuse, fusible link & relay box) E62 (near oil level gauge) Front wiper motor (left side of firewall) Front wiper relay (in fuse, fusible link & relay box) Fuse 1 10a Fuse 3 10a Fuse 34 20a Fuse 9 10a Fuse block no. 1 (behind left end of dash) Fuse block no. 2 (behind right kick panel) Gnd Hot at all times Hot in on or start Ign Int Int (vr) J/c 16 (behind upper right side of dash) J/c 4 (behind upper left side of dash) J/c 9 (behind upper left side of dash) Lo hi M115 (right side of dash) M24 (left side of dash) Off Pnk Red Unified meter control unit Wash Washer motor (in reservoir) Wiper amp Wiper sw int Wiper sw wsh Wipr autostop