Diagram sections — 31 (59 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS 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 INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram, with Navigation for Infiniti QX4 2003 List of elements for Automatic A/C Wiring Diagram, with Navigation for Infiniti QX4 2003: 73 (at right end of dash) m66 +fre -rec +rec -fre 14u 16w 19u 20% fre 20% fre fre 20% fre rec A/c auto amplifier (behind center of dash) A/c clk A/c gnd A/c navi A/c relay (in relay box 1) Ac-av Acc Acpdcut Acrly Air mix door motor (behind center of dash, on bottom of heater unit) Amb sens Ambient sensor (center front of engine compartment) Arcon Av-ac Avcc Battery Blower motor (below right side of dash) Clk Comp on Compressor Display & navi control unit (behind center of dash) Ecm (behind center of dash) Ecm comp Fan control amplifier (behind glove box) Fan f/b Fan gate Fre Fre rec Fuse 15a Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd Gnd sens Gnd-a Hot at all times Hot in on Hot in on or start Ignition In-vehicle sensor (attached to instrument lower cover, right of steering column) Incar sens Instrument cluster system Intake door motor (behind glove box, on heater intake unit) Intake sens Intake sensor (behind center of dash, on cooling unit) Lan-sig M10 M104 M105 M111 (at left end of dash) M118 Mode door motor (behind center of dash, on heater unit) Navi a/c Nca Pdpres Rec Rec fre Red Refrigerant pressure sensor (on a/c liquid tank, in front of battery) Solid state Sun sens Sunload sensor (on right defroster grille) Thermal transmitter (at rear of engine, on water outlet) Vactr W/t sens Automatic A/C Wiring Diagram, without Navigation for Infiniti QX4 2003 List of elements for Automatic A/C Wiring Diagram, without Navigation for Infiniti QX4 2003: 71 (at right end of dash) m66 +fre -rec +rec -fre 14u 16w 19u 20% fre 20% fre fre 20% fre rec A/c auto amplifier (behind center of dash) A/c relay (in relay box 1) Acpdcut Acrly Air mix door motor (behind center of dash, on bottom of heater unit) Amb sens Ambient sensor (center front of engine compartment) Arcon Avcc Bat Blower motor (below right side of dash) C/f Canada Comp on Compressor Defogger system Ecm (behind center of dash) Ecm comp Fan control amplifier (behind glove box) Fan f/b Fan gate Fre Fre rec Fuse 15a Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd Gnd sens Gnd-a Hot at all times Hot in on Hot in on or start Ign Ign2 Ill - In-vehicle sensor (attached to instrument lower cover, right of steering column) Incar sens Instrument cluster system Intake door motor (behind glove box, on heater intake unit) Intake sens Intake sensor (behind center of dash, on cooling unit) Interior lights system Lan-sig Light + M10 M102 M103 M111 (at left end of dash) M66 (at right end of dash) Mode door motor (behind center of dash, on heater unit) Pdpres Rec Rec fre Refrigerant pressure sensor (on a/c liquid tank, in front of battery) Rr def f/b Rr def on Solid state Sun sens Sunload sensor (on right defroster grille) Thermal transmitter (at rear of engine, on water outlet) Vactr W/t sens
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Infiniti QX4 2003 List of elements for Anti-lock Brakes Wiring Diagram for Infiniti QX4 2003: 72 17u 39u Abs actuator & electric unit (on right side of enigne compartment) Abs ind Abs st-out Actuator B55 (at right kick panel) Bls Combination meter Control unit Data link connector (dlc) (on lower dash panel, left of steering column) Diag-l E112 (near cruise control servo) Fl in Fl out Fl ss Fl ss gnd Fr in Fr out Fr ss Fr ss gnd Fuse & fusible link box (in relay box-2) Fuse 14 10a Fuse 7 7.5a Fuse 8 10a Fuse block (j/b) (left side of dash) Fusible link c 40a Fusible link d 40a G sen 1 gnd G sen 1 sig G sen 2 sig G sen 2 vcc G sensor (w/ 4wd) (below rear of center console) Gnd Gnd gnd Gs1 Gs2 Gst Hot at all times Hot in on or start Ign Left front wheel speed sensor (on left front wheel hub assembly) Left rear wheel speed sensor (on left rear wheel hub assembly) M10 M24 M25 M26 M4 (at left end of dash) Meter out Motor mon Motor relay Pnk R in R out Red Relay act Relay mon Relay unit Right front wheel speed sensor (on right front wheel hub assembly) Right rear wheel speed sensor (on right rear wheel hub assembly) Rl ss Rl ss gnd Rr ss Rr ss gnd Rxd Sila Solenoid valve relay Stoplight switch (on bracket, above brake pedal) Transfer control unit (w/ 4wd) (behind lower center dash panel) Txd Unified meter control unit W/ 4wd
ANTI-THEFT Anti-theft Wiring Diagram (1 of 2) for Infiniti QX4 2003 List of elements for Anti-theft Wiring Diagram (1 of 2) for Infiniti QX4 2003: 50 (in center of back door) 15u 19u 20u 41u Accessory Anti-theft indic B11 (under left kick panel) B55 (at right kick panel) Back door switch Bat (fuse) Closed Com D210 (at lower right of tailgate) Door switch E13 (at left front of engine comt) Fuse 10a Fuse 7.5a Fuse block (j/b) (left side of dash) Glass hatch key unlock Glass hatch switch Ground 1 Ground 2 H/l out 1 H/l out 2 Headlights system Hood switch Hood switch (on left front of engine compt) Horn out Horns system Hot at all times Hot in acc or on Hot in on or start Ignition Key cylinder lock sw Key cylinder unlock sw Left front door switch Left rear door switch M10 M111 (at left end of dash) M121 M122 M123 M77 (near front wiper motor) Open Right front door switch Right rear door switch Security indicator lamp Smart entrance control unit (behind dash, next to fuse block) Wiper/washer system Anti-theft Wiring Diagram (2 of 2) for Infiniti QX4 2003 List of elements for Anti-theft Wiring Diagram (2 of 2) for Infiniti QX4 2003: 18 Back door Back door key cylinder switch Between full stroke and n Commu- nication i/f Cpu D15 D210 (at lower right of tailgate) Full stroke lock Full stroke unlock Glass hatch Left front door key cylinder switch Lock M4 (at left end of dash) M77 (near front wiper motor) Power window main switch Right front power window switch Uinlock Unlock Immobilizer Wiring Diagram (NATS) for Infiniti QX4 2003 List of elements for Immobilizer Wiring Diagram (NATS) for Infiniti QX4 2003: 20 (behind dash, next to fuse block) smart entrance control unit 20u Anti-theft indicator Ecm (behind center of dash) Ecm intrfce F20 (at left front of engine) Fuse & fusible link box (in relay box 2) Fuse 10a Fuse 7.5a Fuse block (j/b) (left side of dash) Ground Hot at all times Hot in on or start Ign on Imline Ind lamp M10 Nats immu (on ignition key cylinder) Security indicator lamp V-bat
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Infiniti QX4 2003 List of elements for Body Control Modules Wiring Diagram for Infiniti QX4 2003: 70 15u 19u 41u Anti-theft system Auto light sensor Back door key cyldr sw Battery saver Circuit breaker (on top of fuse block (j/b)) Com Computer data Defogger system Door key cyldr lock sw Door key cyldr unlock sw Door lock actuator Door locks Door locks system Door locks, anti-theft systems Door sw (all) Door sw (as) Driver door lock actuator Driver door sw Exterior lights Fuse & fusible link box (in relay box 2) Fuse 10a Fuse 7.5a Fuse block (j/b) (left side of dash) Fusible link f 40a Glass hatch sw Gnd 1 Gnd 2 Headlamp sw Headlights Hood sw Horn rly Horns system Hot at all times Hot in acc or on Hot in on or start Ignition key sw Ignition sw (acc & on) Ignition sw (on) Interior lamp Interior lights Interior lights system Left headlamp rly Left turn sig lamp Lines system M10 M111 (at left end of dash) M121 M122 M123 M77 (near front wiper motor) Passenger, rear & back door lock actuator Power source Power windows system Power wnd rly Rear window defogger sw Rear wnd defog. rly Red Right headlamp rly Right turn sig lamp Seat belt buckle sw Security ind Smart entrance control unit (behind dash, next to fuse block) System Tail lamp relay Tail lamp rly out Tail lamp sw Warning system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Infiniti QX4 2003 List of elements for Computer Data Lines Wiring Diagram for Infiniti QX4 2003: 30 11u Abs actuator & electric unit (on right side of engine compt) Adj sw Air bag diagnosis sensor unit (below rear of center console) B159 Check Consult data in (rx) Consult data out (tx) Data link connector (dlc) (on lower dash panel, left of steering column) Ddl-rx Ddl-tx Diag l Ecm (behind center of dash) F20 (at left front of engine) Fuse 16 10a Fuse 24 7.5a Fuse block (j/b) (left side of dash) Hot at all times Hot in on or start Icc unit (behind left luggage room trim) Kline M10 M120 M122 M77 (near front wiper motor) M91 Rxd Smart entrance control unit (behind dash, next to fuse block) Transmission control module (tcm) (behind dash, left of steering column) Txd
CRUISE CONTROL Cruise Control Wiring Diagram for Infiniti QX4 2003 List of elements for Cruise Control Wiring Diagram for Infiniti QX4 2003: 82 (behind center of dash) ecm 15u 17u 24u 39u Abs actuator & electric unit (on right side of engine compartment) Actr output Air Air valve Ascd 4th cut Ascd brake switch (on bracket, above brake pedal) Ascd control unit (behind left kick panel) Ascd cruise Ascd pump (on right front fenderwell) Ascd steering switch B55 (at right kick panel) Brake n.o. sw Brake nc sw Cancel switch Combination meter Cruise Cruise lmp out Cruise sig Depressed F20 (at left front of engine) Fuse & fusible link box (in relay box 2) Fuse 11 7.5a Fuse 14 10a Fuse 18 10a Fuse 52 7.5a Fuse 54 10a Fuse 8 10a Fuse block (j/b) (left side of dash) Gnd Gnd-c Horn relay (in relay box 1) Horns system Hot at all times Hot in on or start Ignition sw M10 M119 M120 M147 (at right end of dash) M24 M26 M4 (at left end of dash) Main sw Main switch Meter out Motor out Nca Od cancel Off Park/ neutral position relay (in relay box 2) Park/neutral position switch (on right rear of transmission) Pnk Red Release valve Released Res/acc sw Resume/ accel switch Set Set lamp out Set/ coast switch Set/coast sw Shift sol a Shift solenoid valve a (on control valve upper body, in transmission) Solenoid Spiral cable Starting/ charging system Stoplight switch (on bracket, above brake pedal) Terminal cord assembly Th sens Throttle pos Transmission control module (tcm) (behind dash, left of steering column) Tvoo Unified meter control unit w/ odo/trip meter Vacuum motor Valve Vsp Vsp (in) Intelligent Cruise Control Wiring Diagram (1 of 3) for Infiniti QX4 2003 List of elements for Intelligent Cruise Control Wiring Diagram (1 of 3) for Infiniti QX4 2003: 90 (behind left front kick panel) icc warning chime 10u 15u 17u 24u 39u 43u Abs actuator and electric unit (on right side of engine compt) Abs f/s Abs-opr Air valve Ascd pump (on right front fenderwell) B158 B159 B160 Bat-1 Bat-2 Bnc-sw Bno-sw Brake pressure sensor (on bottom of brake master cylinder) Buzz Can-h Can-l Cruise D-range Data link connector (dlc) (on lower dash panel, left of steering column) Ddl-rx Ddl-tx Door locks system E111 Ecm (behind center of dash) Engine controls system Full sw Fuse 11 7.5a Fuse 14 10a Fuse 16 10a Fuse 18 10a Fuse 19 20a Fuse 33 10a Fuse 8 10a Fuse block (j/b) (left side of dash) Gnd Gnd-1 Gnd-2 Gnd-3 Gnd-a Gnd-s Hot at all times Hot in acc or on Hot in on or start Icc unit (behind left luggage room trim) Idle Idle sw Ign-1 Ign-2 M10 Mtr-rx Mtr-tx Od cancel Pkb Pnk Psen-gnd Psen-pwr Psen-sig Red Release valve Rls-nc Rls-no Rls-pwr Safty Sol + Sol - Sol- a Sol- b Stp-lmp Strg gnd Strg sig T-rly Tacho Tvo Tvo0 Vacuum motor Vacuum mtr Vent Vout Vpwr Vsp-s Warn Wip-h Wip-l Intelligent Cruise Control Wiring Diagram (2 of 3) for Infiniti QX4 2003 List of elements for Intelligent Cruise Control Wiring Diagram (2 of 3) for Infiniti QX4 2003: 27 (near front wiper motor) m77 (with icc indicator) unified meter control unit Abs Accel/ resume sw B11 (under left kick panel) Boost solenoid Brake booster Coast/ Combination meter Cruise Front wiper motor (on right side of firewall) Icc Icc steering switch M24 M25 M26 M4 (at left end of dash) M50 Nca On/off switch Red Set switch Spiral cable Stoplight switch (on bracket, above brake pedal) Switch cancel Switch distance Wiper/washer system Intelligent Cruise Control Wiring Diagram (3 of 3) for Infiniti QX4 2003 List of elements for Intelligent Cruise Control Wiring Diagram (3 of 3) for Infiniti QX4 2003: 37 (at left front of engine compt) e13 (at right kick panel) b55 Ascd 4h cut Ascd cruise B65 B66 Brake fluid level switch (on brake fluid reservoir) Can-h Can-l Canada D-sw Diode E13 (at left front of engine compartment) E41 (at right front of engine compt) Full sw Gnd Icc brake hold relay (in relay box-1) Icc brake switch (on bracket, above brake pedal) Icc resistor Icc sensor (behind right side of front bumper) Idle sw Ign M119 M120 Nca Park/neutral position relay (in relay box-2) Park/neutral position switch (on right rear of transmission) Parking brake switch (at base of park brake lever) Red Shift sol a Shift sol b Shift solenoid valve a (on control valve upper body, in transmission) Shift solenoid valve b (on control valve upper body, in transmission) Starting/ charging system Tacho Throttle position switch (integral to throttle position sensor) Transmission control module (tcm) (behind dash, left of steering column)
DEFOGGERS Defoggers Wiring Diagram, with Navigation for Infiniti QX4 2003 List of elements for Defoggers Wiring Diagram, with Navigation for Infiniti QX4 2003: 41 15u 19u B22 (at lower rear of left rear quarterpanel) Bat (fuse) D303 D304 D305 (at upper right of tailgate) Door mirror defogger relay (behind left luggage room trim) Engine controls system Fuse & fusible link box (in relay box 2) Fuse 11 7.5a Fuse 24 7.5a Fuse 56 20a Fuse 57 20a Fuse 58 10a Fuse block (j/b) (left side of dash) Ground 1 Ground 2 Hot at all times Hot in on or start Ign Illum Ind lp Interior lights system Left door mirror (door mirror defogger) M10 M121 M122 M123 M4 (at left end of dash) M66 (at right end of dash) M77 (near front wiper motor) Pnk Rear window defogger Rear window defogger relay (in relay box 1) Rear window defogger switch Red Right door mirror (door mirror defogger) Rr def out Rr def sw Smart entrance control unit (behind dash, next to fuse block) Defoggers Wiring Diagram, without Navigation for Infiniti QX4 2003 List of elements for Defoggers Wiring Diagram, without Navigation for Infiniti QX4 2003: 40 15u 19u m10 8w e3 A/c auto amplifier (behind center of dash) B22 (at lower rear of left rear quarterpanel) Bat (fuse) D303 D304 D305 (at upper right of tailgate) Door mirror defogger relay (behind left luggage room trim) Engine controls system Fuse & fusible link box (in relay box 2) Fuse 11 7.5a Fuse 24 7.5a Fuse 56 20a Fuse 57 20a Fuse 58 10a Fuse block (j/b) (left side of dash) Ground 1 Ground 2 Hot at all times Hot in on or start Ign Left door mirror (door mirror defogger) M121 M122 M123 M147 (at right end of dash) M4 (at left end of dash) M77 (near front wiper motor) Pnk Rear window defogger Rear window defogger relay (in relay box 1) Rear window defogger switch Red Right door mirror (door mirror defogger) Rr def Rr def f/b Rr def sw Smart entrance control unit (behind dash, next to fuse block)
ENGINE PERFORMANCE
3.5L 3.5L, Engine Performance Wiring Diagram (1 of 4) for Infiniti QX4 2003 List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 4) for Infiniti QX4 2003: 56 (left front of engine) f44 (on left rear of engine) iacv-aac valve (on top front of engine) condenser (ignition) Acpdcut Acrly Air conditioning system Arcon Bstsw Cdcv Crtn Cvbv Cvtcl Cvtcr Defogger & headlights systems E101 (under fuse & fusible link box) Ecm (behind center of dash) Evap F20 (left front of engine) F43 (left front of engine) Fprly Gnd-a Gnd-c Idle Ign 1 Ign 2 Ign 3 Ign 4 Ign 5 Ign 6 Ignition coils Ignsw Intake valve timing control solenoid valve (b1) (on top right side of engine) Intake valve timing control solenoid valve (b2) (on top left side of engine) Isc 1 Isc 2 Isc 3 Isc 4 Led Load Neut O2hfl O2hfr O2hrl O2hrr Power steering oil pressure switch (lower right front of engine compt, on power steering high pressure tube) Pwst Red Scv Ssoff Stsw Swirl control valve control solenoid valve (on top front of engine) Swirl control valve control vacuum check switch (at left rear of engine compt) Tacho Vacuum cut valve by-pass valve (left rear underside of vehicle, near fuel tank) Vias Vias control solenoid valve (on top front of engine) 3.5L, Engine Performance Wiring Diagram (2 of 4) for Infiniti QX4 2003 List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 4) for Infiniti QX4 2003: 29 (left rear underside of vehicle, near fuel tank) evap canister vent control valve (on left rear of engine) evap canister purge volume control solenoid valve (on lower dash panel, left of steering column) data link connector (right kick panel) b55 10u 16u Ascd control unit (behind left kick panel) B22 (lower rear of left rear rear quarter panel) Fuel tank temperature sensor (on top of fuel tank) Full sw Fuse & fusible link box (in relay box 2) Fuse 10a Fuse 15a Fuse 7.5a Fuse block (left side of dash) Hot at all times Hot in on or start Hot in start Idle sw Lan P/n Park/ neutral position switch (on right rear of transmission) Pnk Red Sens gnd Sens pwr Tacho Tcm (transmission control module) (behind dash, left of steering column) Th sens 3.5L, Engine Performance Wiring Diagram (3 of 4) for Infiniti QX4 2003 List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 4) for Infiniti QX4 2003: 36 (in fuel tank) fuel pump (in relay box 1) fuel pump relay 1 (in relay box 2) fuel pump relay 2 (left side of dash) m4 (on right side of engine compt) abs actuator & electric unit (right front of engine compt) e41 17u 26u 37u B22 (lower rear of left rear quarter panel) Closed Combination meter Crankshaft position sensor (ref) (on lower right front of engine, near oil filter) F20 (left front of engine) F43 (left front of engine) Fuse 10a Fuse 15a Fuse block (left side of dash) Gnd Heated oxygen sensor 1 (bank 1) (on right exhaust manifold) Heated oxygen sensor 1 (bank 2) (on left exhaust manifold) Heated oxygen sensor 2 (bank 1) (on right front exhaust tube, upstream of right converter) Heated oxygen sensor 2 (bank 2) (on left front exhaust tube, upstream of left converter) Hot in on or start Ign Knock sensor (on top rear of engine, below intake manifold) Malfunction indicator lamp Meter out Nca Pnk Red Tach Throttle position sensor (on throttle body) Vsp Vss Wide open 3.5L, Engine Performance Wiring Diagram (4 of 4) for Infiniti QX4 2003 List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 4) for Infiniti QX4 2003: 58 (left front of engine) f20 (left front of engine) f43 (left rear underside of vehicle, near fuel tank) evap control system pressure sensor (on engine front cover, facing camshaft sprocket) camshaft position sensor (phase) (on front of left cyl head) intake valve timing control position sensor (b2) (on front of right cyl head) intake valve timing control position sensor (b1) (on rear of engine oil pan) crankshaft position sensor (pos) Adj sw Air conditioning system Avcc Batt Check Ecm (behind center of dash) Ecm relay (in relay box 2) Engine coolant temperature sensor (at rear of engine, on water outlet) F20 (left front of engine) F25 (left front of engine) Fgage+ Fgage- Ftpres Fuel injectors Fuse & fusible link box (in relay box 2) Fuse 10a Fuse 7.5a Gnd-e Hot at all times Imline Inj 1 Inj 2 Inj 3 Inj 4 Inj 5 Inj 6 Instrument cluster system Intake air temperature sensor (in air duct housing) Kline Knk Lan Mass air- flow sensor (on air intake assembly, near air cleaner box) Nats immu (on ignition key cylinder) Nca O2sfl O2sfr O2srl O2srr Pdpres Phase Pnk Pos Qa+ Qa- Red Ref Tv00 Tvo Vsp Vtcpusl Vtcpusr
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Infiniti QX4 2003 List of elements for Back-up Lamps Wiring Diagram for Infiniti QX4 2003: 11 24u B22 (at lower rear of left rear quarterpanel) B65 D210 (at lower right of tailgate) Fuse 18 10a Fuse block (j/b) (left side of dash) Hot in on or start Left license plate lamp (left back- up lamp) M10 Park/ neutral position switch (on right rear of transmission) Right license plate lamp (right back- up lamp) Exterior Lamps Wiring Diagram (1 of 2) for Infiniti QX4 2003 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Infiniti QX4 2003: 64 (at top right of dash, right of sunload sensor) auto light sensor 13w 14w 15u 19u 1st 2nd 39u 41u A/l sen gnd A/l sen pwr A/l sen sig A/l switch Acc Anti-lock brakes system Auto B22 (at lower rear of left rear quarterpanel) B75 (at lower rear of right rear quarterpanel) Bat (fuse) Combination switch (lighting switch) Cruise control system D00r locks system D210 (at lower right of tailgate) Door sw E13 (at left front of engine compartment) E41 (at right front of engine compartment) Flasher lt out Flasher rt out Fuse & fusible link box (in relay box 2) Fuse 10a Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd Gnd 1 Gnd 2 High- mounted stoplamp Hot at all times Hot in acc or on Hot in on or start Ign Left parking lamp Left rear combination lamp M10 M111 (at left end of dash) M121 M122 M123 M77 (near front wiper motor) M91 Off Output Pwr Red Right parking lamp Right rear combination lamp Smart entrance control unit (behind dash, next to fuse block) Stop Stoplight switch (on bracket, above brake pedal) T/l out 1 T/l out 2 T/l sw 1 T/l sw 2 Tail Taillamp relay (in relay box 1) Exterior Lamps Wiring Diagram (2 of 2) for Infiniti QX4 2003 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Infiniti QX4 2003: 30 (at right end of dash) m66 28u 9u m10 B22 (at lower rear of left rear quarterpanel) B75 (at lower rear of right rear quarterpanel) Combination flasher unit (behind left side of dash) Combination meter Combination switch (turn signal switch) D210 (at lower right of tailgate) E13 (at left front of engine compartment) E41 (at right front of engine compartment) Fuse 15a Fuse 7.5a Fuse block (j/b) (left side of dash) Hazard switch Hot at all times Hot in on or start Illum Interior lights system Left front fog lamp (turn signal) Left license plate lamp Left rear combination lamp (turn signal) Left turn ind M147 (at right end of dash) M25 Off Right front fog lamp (turn signal) Right license plate lamp Right rear combination lamp (turn signal) Right turn ind
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Infiniti QX4 2003 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Infiniti QX4 2003: 21 Abs actuator & electric control unit (terminals: 16 & 30) (terminal: 20 w/4-wheel drive) Alternator, power steering oil pressure switch Ascd control unit (terminal: 17) (w/o icc), combination flasher unit, power window relay, rear window defogger switch (terminals 1 & 4) (w/navigation), mode door motor, air mix door motor, power antenna, power socket relay, door mirror remote control switch, right door mirror (door mirror defogger), air bag diagnosis sensor unit, ascd steering switch (w/o icc), memory seat cancel switch, combination meter (terminals: 30, 59 & 72), glove box lamp, clock, steering wheel receiver control switch, ashtray illumination, intake door motor, a/c auto amp, display & navi control unit (terminals: 3 & 4), transfer control unit (terminal: 3) (w/4-wheel drive), right front power window switch, audio amp. relay, right vanity miror illumination, compass & thermometer, homelink universal transceiver, left vanity mirror illumination, spot lamp & sunroof motor (if equipped) Ascd control unit (terminal: 4) (w/o icc), data link connector (terminal: 5), tcm (transmission control module terminals: 25 & 48), transfer control unit (terminals: 6 & 45) (w/4-wheel drive), nats immu, swirl control valve control vacuum check switch, shield wire (crankshaft position sensor (pos)), crankshaft position sensor (pos), shield wire (crankshaft position sensor (ref)), heated oxygen sensor 2 (bank 1), heated oxygen sensor 2 (bank 2), shield wire (throttle position sensor), ecm (terminals 48 & 57), shield wire (camshaft position sensor (phase)), camshaft position sensor (phase), intake valve timing control position sensor (b2), intake valve timing control position sensor (b1), shield wire (knock sensor), ecm (terminals: 106 & 108), condenser, ignition coil 1, ignition coil 2, ignition coil 3, ignition coil 4, ignition coil 5, ignition coil 6 & crankshaft position sensor (ref) B165 (right front door sill) Data link connector (terminal: 4), fuse block j/b (accessory relay, bl0wer motor relay, ignition relay), illumination control switch, combination meter (terminal: 65), left front door speaker, shield wire (audio unit), right front door speaker, cigarette lighter socket, fan control amp., front wiper motor, smart entrance control unit, left door mirror (door mirror defogger), fuel filler lid & glass hatch opener switch (terminals: 1 & 3), left front door key cylinder switch, power window main switch & seat memory switch (if equipped) E101 (under fuse & fusible link box) E112 (near cruise control servo) E13 (at left front of engine compartment) E41 (at right front of engine compartment) F20 (at left front of engine) F25 (at left front of engine) F43 (at left front of engine) F44 (at left front of engine) Headlamp aiming switch, combination switch (front wiper switch & rear wiper switch part of combination switch), left parking lamp, brake fluid level switch, left headlamp, hood switch, daytime light control unit (canadian models), right front fog lamp: turn signal lamp, left headlamp aiming motor, icc hold unit relay (w/icc), right headlamp, right parking lamp, washer level switch, fuel pump relay-2, left front fog lamp: turn signal lamp, transfer shift hi relay (w/4-wheel drive), transfer shift low relay (w/4-wheel drive), right headlamp aiming motor & icc sensor (w/icc) M111 (at left end of dash) M147 (at right end of dash) M4 (at left end of dash) M66 (at right end of dash) M77 (near front wiper motor) Shield wire (right satellite sensor) Ground Distribution Wiring Diagram (2 of 2) for Infiniti QX4 2003 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Infiniti QX4 2003: 11 Atp switch (w/4-wheel drive), neutral-4lo switch (w/4-wheel drive), transfer motor (w/4-wheel drive), combination meter (terminal: 63), transfer control device (w/4-wheel drive), right front heated seat (w/seat heater), right power seat, a/t device (terminals: 2 & 6), park/neutral position switch, right front door switch, right rear combination lamp: turn signal lamp, tail/stop lamp, right rear heated seat switch (w/seat heater), rear power socket, left front heated seat switch (w/seat heater), rear tv switch (w/rear tv), wait detection switch (w/4-wheel drive), right rear heated seat (w/seat heater), right front heated seat switch (w/seat heater) B11 (under left kick panel) B170 (left front door sill) B22 (at lower rear of left rear quarterpanel) B55 (at right kick panel) B75 (at lower rear of right rear quarterpanel) D210 (at lower right of tailgate) D305 (at upper right of tailgate) Fuel level sensor unit, ecm (terminal: 59), shield wire (brake booster) (w/icc), left front heated seat (w/seat heater), seat belt buckle switch, left power seat (w/power seat), left front door switch, fuel pump, power socket, left rear heated seat switch, left rear heated seat (w/seat heater), left rear combination lamp (turn signal lamp, tail/stop lamp), rear speaker amp., door mirror defogger relay, aux box (w/rear tv), icc unit (terminals: 19, 20 & 46) (w/icc), left seat control unit (w/memory seat), left power seat switch (w/memory seat), luggage room lamp, high mounted stop lamp, back door key cylinder switch, left license plate lamp, left back-up lamp, back door switch, glass hatch switch, right license plate lamp, right back-up lamp & rear wiper motor Rear window defogger Shield wire (left satellite sensor)
HEADLIGHTS Headlights Wiring Diagram, Canada (1 of 2) for Infiniti QX4 2003 List of elements for Headlights Wiring Diagram, Canada (1 of 2) for Infiniti QX4 2003: 74 (at left end of dash) m111 (at lower rear of right rear quarterpanel) (at lower right of tailgate) d210 (left side of dash) (near front wiper motor) m77 (under left kick panel) b11 11w 15u 19u 41u A/l sensor gnd A/l sensor pwr A/l sensor sig A/l sw Acc Alt-l Auto light sensor (at top right of dash, right of sunload sensor) B55 (at right kick panel) B75 Back door switch Bat (fuse) Daytime light control unit (on right front fenderwell) Defogger system Door sw (all) Door sw (as) Door sw (dr) E127 E13 (at left front of engine compt) E45 E46 Fuse 10 10a Fuse 11 7.5a Fuse 24 7.5a Fuse 26 7.5a Fuse block (j/b) Gnd Gnd1 Gnd2 H/l out1 H/l out2 H/l sw1 H/l sw2 Hot at all times Hot in acc or on Hot in on or start Hot in start Ign Left front door switch Left rear door switch Lh light Lh light fuse Lh light main Lh main sw M10 M121 M122 M123 Output Parking brake switch (at base of park brake lever) Pkb sw Power Red Rh light Rh light fuse Rh light main Rh main sw Right front door switch Right rear door switch Smart entrance control unit (behind dash, next to fuse block) Starting/ charging system T/l out1 T/l out2 T/l sw1 T/l sw2 Headlights Wiring Diagram, Canada (2 of 2) for Infiniti QX4 2003 List of elements for Headlights Wiring Diagram, Canada (2 of 2) for Infiniti QX4 2003: 33 1st 2nd Auto Combination meter Combination switch (front fog lamp switch) Combination switch (lighting switch) E13 (at left front of engine compt) E41 (at right front of engine compt) Exterior lights system Front fog light relay (in relay box 1) Fuse & fusible link box (in relay box 2) Fuse 31 20a Fuse 32 20a Fuse 53 15a Fuse 59 15a Fuse 60 15a Fuse 61 10a Hid cont High High beam ind Hot at all times Left front fog lamp Left headlamp Left headlamp relay (in relay box 1) Low M25 Off Pass Red Right front fog lamp Right headlamp Right headlamp relay (in relay box 1) Taillamp relay (in relay box 1) Headlights Wiring Diagram, USA (1 of 2) for Infiniti QX4 2003 List of elements for Headlights Wiring Diagram, USA (1 of 2) for Infiniti QX4 2003: 52 (at lower rear of right rear quarterpanel) (left side of dash) 15u 19u 41u m10 A/l sensor gnd A/l sensor pwr A/l sensor sig A/l sw Acc Auto light sensor (at top right of dash, right of sunload sensor) B11 (under left kick panel) B55 (at right kick panel) B75 Back door switch Bat (fuse) D210 (at lower right of tailgate) Door sw (all) Door sw (as) Door sw (dr) Fuse 10 10a Fuse 11 7.5a Fuse 24 7.5a Fuse block (j/b) Gnd Gnd1 Gnd2 H/l out1 H/l out2 H/l sw1 H/l sw2 Hot at all times Hot in acc or on Hot in on or start Ign Left front door switch Left rear door switch M111 (at left end of dash) M121 M122 M123 M77 (near front wiper motor) Output Power Red Right front door switch Right rear door switch Smart entrance control unit (behind dash, next to fuse block) T/l out1 T/l out2 T/l sw1 T/l sw2 Headlights Wiring Diagram, USA (2 of 2) for Infiniti QX4 2003 List of elements for Headlights Wiring Diagram, USA (2 of 2) for Infiniti QX4 2003: 34 (in relay box 1) 1st 2nd Auto Combination meter Combination switch (front fog lamp switch) Combination switch (lighting switch) E13 (at left front of engine compt) E41 (at right front of engine compt) Exterior lights system Front fog light relay Fuse & fusible link box (in relay box 2) Fuse 31 20a Fuse 32 20a Fuse 53 15a Fuse 59 15a Fuse 60 15a Fuse 61 10a Hid cont High High beam ind Hot at all times Left front fog lamp Left headlamp Left headlamp relay (in relay box 1) Low M25 Off Pass Red Right front fog lamp Right headlamp Right headlamp relay (in relay box 1) Taillamp relay (in relay box 1)
HORN Horn Wiring Diagram for Infiniti QX4 2003 List of elements for Horn Wiring Diagram for Infiniti QX4 2003: 14 (behind dash, next to fuse block) Fuse & fusible link box (in relay box 2) Fuse 52 7.5a Fuse 54 10a Horn (high) Horn (low) Horn out Horn relay (in relay box 1) Horn switch Hot at all times Nca Red Smart entrance control unit Spiral cable
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 3) for Infiniti QX4 2003 List of elements for Instrument Cluster Wiring Diagram (1 of 3) for Infiniti QX4 2003: 69 (at left end of dash) m4 (left side of dash) (near front wiper motor) m77 (w/ icc) (with odometer/ unified meter control unit 17u 19u 24u 44u 4lo ind 4wd A/t oil temp ind Air bag ind B22 (at lower rear of left rear quarterpanel) B55 (at right kick panel) Bat Brake ind Charge ind Clock Combination meter Cruise control system Cruise ind Door ind E41 (at right front of engine compt) Exterior lights system Fuel gauge Fuel ind Fuel level sensor unit (fuel level sensor) (integral to fuel tank gauge unit) Fuse 18 10a Fuse 24 7.5a Fuse 8 10a Fuse 9 10a Fuse block (j/b) Headlights system Hot at all times Hot in acc or run Hot in on or start Interior lights system Left turn ind Light (+) Light (-) M10 M24 M25 M26 M4 (at left end of dash) M4 (at left end of of dash) M50 Malfunction ind Meter illumination O/d off ind Oil press ind Oil pressure switch (on lower right front of engine, on oil cooler bracket) Park/neutral position switch (on right rear of transmission) Red Right turn ind Seat belt ind Set/icc ind Speedometer Starting/ charging system Tachometer Thermal transmitter (at rear of engine, on water outlet) Trip meter) Unified meter W/ 4wd W/ icc Washer ind Washer level switch (fluid reservoir) Water temp gauge Instrument Cluster Wiring Diagram (2 of 3) for Infiniti QX4 2003 List of elements for Instrument Cluster Wiring Diagram (2 of 3) for Infiniti QX4 2003: 22 (w/ 4wd) (behind lower center dash panel) 2wd lamp 4lo ind lamp 4wd fail lmp Atp switch Auto lamp B11 (under left kick panel) Brake fluid level switch (on brake fluid reservoir) Canada Diode E13 (at left front of engine compt) Left front door switch Left rear door switch Lock lamp M142 M143 Parking brake switch (at base of parking brake lever) Right front door switch Right rear door switch Seat belt buckle switch (in driver's seat belt buckle) Transfer control unit Usa Instrument Cluster Wiring Diagram (3 of 3) for Infiniti QX4 2003 List of elements for Instrument Cluster Wiring Diagram (3 of 3) for Infiniti QX4 2003: 47 (4wd) (at lower right of tailgate) d210 (at right kick panel) b55 2wd 4wd 4wd ind A/t fluid temperature switch (on control valve lower body, in transmission) Abs actuator & electric unit (control unit) (on right side of engine compt) Abs ind Abs w/l Air bag diagnosis sensor unit (below rear of center console) Ascd control unit (behind left kick panel) Atp ind Atp switch (w/ 4wd) Auto B159 B160 Back door switch Cancel switch Combination meter Compass & thermometer Cruise lmp (out) Ecm (behind center of dash) Glass hatch switch Hi beam ind Icc unit (behind left luggage room trim) Led Left seat control unit (under driver's seat) Lock M4 (at left end of dash) Memory seat cancel switch Meter out Mtr-tx Nca O/d off lamp Set lamp (out) Sila Tachometer Transmission control module (tcm) (behind dash, left of steering column) Unified meter control unit (with odometer/ trip meter) Vsp Vsp (in) Vsp2 W/ icc W/l (led) W/o icc Warn
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Infiniti QX4 2003 List of elements for Courtesy Lamps Wiring Diagram for Infiniti QX4 2003: 62 15u 19u B11 (under left kick panel) B22 (at lower rear of left rear quarterpanel) B55 (at right kick panel) Back door key cylinder switch Back door switch Bat (fuse) Bat saver out Between full stroke & n Betwenn full stroke & n Com Comm i/f Cpu D15 D210 (at lower right of tailgate) Diode (behind left luggage room trim) Door Door sw (all) Door sw (as) Door sw (dr) Full stroke Full stroke lock Full stroke unlock Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd 1 Gnd 2 Hot at all times Hot in on or start Ign Interior lamp Key cyl sw (lock) Key cyl sw (unlock Key sw Key switch Left door lock and unlock switch Left front door key cylinder switch Left front door switch Left rear door switch Left vanity mirror (illum) Lock Luggage room lamp M10 M111 (at left end of dash) M121 M122 M123 M4 (at left end of dash) M77 (near front wiper motor) Off Power window main switch Red Right door lock and unlock switch Right front door switch Right front power window switch Right rear door switch Right vanity mirror (illum) Room lp out Smart entrance control unit (behind dash, next to fuse block) Spot lamp Unlock Instrument Illumination Wiring Diagram (1 of 2) for Infiniti QX4 2003 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Infiniti QX4 2003: 54 15u 19u 1st 2nd 41u A/l sensor gnd A/l sensor pwr A/l sensor sig A/l sw Acc As door sw Auto Auto light sensor (at top right of dash, right of sunload sensor) B11 (under left kick panel) B55 (at right kick panel) B75 (at lower rear of right rear quarterpanel) Back door switch Bat (fuse) Combination switch (lighting switch) D210 (at lower right of tailgate) Door sw (all) Dr door sw E13 (at left front of engine compartment) Fuse 10a Fuse 7.5a Fuse & fusible link box (in relay box 2) Fuse block (j/b) (left side of dash) Gnd Gnd1 Gnd2 Hot at all times Hot in acc or on Hot in on or start Ign Left front door switch Left rear door switch M10 M111 (at left end of dash) M121 M122 M123 M77 (near front wiper motor) Off Output Power Red Right front door switch Right rear door switch Smart entrance control unit (behind dash, next to fuse block) T/l out1 T/l out2 T/l sw1 T/l sw2 Taillamp relay (in relay box 1) Instrument Illumination Wiring Diagram (2 of 2) for Infiniti QX4 2003 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Infiniti QX4 2003: 35 13w 17u 30u 31u 36u 4wd shift switch (illum) A/c auto amplifier (illum) (w/o navi) (behind center of dash) A/t device (indicator illum) (at base of selector lever) Ashtray illumination Audio unit (illum) Cigarette lighter (illum) Clock (illum) Combination meter (illum) Compass & thermo- meter (illum) Cpu Display & navigation control unit (illum) (w/ navi) (behind center of dash) Fuse 10a Fuse block (j/b) (left side of dash) Glove box lamp (illum) Hazard switch (illum) Headlamp aiming switch (illum) Hot in on or start Illumination control switch M10 M4 (at left end of dash) M48 M77 (near front wiper motor) M91 Meter & odometer/trip illumination Power window main switch (illum) Power windows system Rear window defogger switch (illum) (w/ navi) Right front power window switch (illum) Unified meter control unit (w/ odo/trip meter) W/ 4 wheel drive
MEMORY SYSTEMS Memory Systems Wiring Diagram for Infiniti QX4 2003 List of elements for Memory Systems Wiring Diagram for Infiniti QX4 2003: 78 (under driver's seat) left seat control unit 14u 16u 19u A/t device (park position switch) (at base of selector lever) B11 (under left kick panel) B22 (at lower rear of left rear quarterpanel) B512 B513 B55 (at right kick panel) Back Bat (fuse) Bat (ptc) Cancel sw Circuit breaker (on top of fuse block (j/b)) Down Encoder F lft mtr (d) F lft mtr (u) F lft sw (d) F lft sw (u) For Frt lift switch Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd Gnd (sig) Hot at all times Hot in on or start Hot in start Ign Instrument cluster system Interior lights systems Key sw Key switch Left f door sw Left front door switch Left front lifting device Left power seat switch Left rear lifting device Left reclining device Left sliding device M10 M147 (at right end of dash) M77 (near front wiper motor) Mem 1 Mem 1 ind Mem 2 Mem 2 ind Mem sw 1 Mem sw 2 Memory seat cancel switch P range sw Pnk Power Pulse sw Pulse sw (fr lift) Pulse sw (rr lift) Pulse sw gnd R lft mtr (d) R lft mtr (u) R lft sw (d) R lft sw (u) Reclining mtr (fr) Reclining mtr (rr) Reclining sw (fr) Reclining sw (rr) Reclining switch Red Rr lift switch Seat memory switch Set sw Sliding mtr (fr) Sliding mtr (rr) Sliding sw (fr) Sliding sw (rr) Sliding switch Vsp2
NAVIGATION Navigation Wiring Diagram for Infiniti QX4 2003 List of elements for Navigation Wiring Diagram for Infiniti QX4 2003: 63 14u 24u 41u A/c av A/c clock A/c shield Abs actuator & electric unit (on right side of engine compt) Acc Air conditioning system Ant signal Audio unit Av-ac B55 (at right kick panel) Combination meter Control 1 Display & navi control unit (behind center of dash) Fr sp lh+ amp Fr sp lh- amp Fr sp rh+ amp Fr sp rh- amp Fuse 10a Fuse 15a Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd Gps antenna (behind center of dash, above display & navi control unit) Gps sig Guide + Guide - Hot at all times Hot in acc or on Hot in on or start Ign Ill Ill cont Interior lights system Left front door speaker Left tweeter M10 M111 (at left end of dash) M117 M118 M139 M147 (at right end of dash) M24 M26 M4 (at left end of dash) M48 M502 M81 Meter out Nav in + Navi in - Navi on Nca Park/neutral position switch (on right rear of transmission) Power antenna system Red Right front door speaker Right tweeter Rly+ Speed Unified meter control unit w/ odo/ trip meter
POWER ANTENNA Power Antenna Wiring Diagram for Infiniti QX4 2003 List of elements for Power Antenna Wiring Diagram for Infiniti QX4 2003: 16 20u 41u m10 Acc Ant signal Audio unit Battery Fuse 10a Fuse 7.5a Fuse block (j/b) (left side of dash) Ground Hot at all times Hot in acc or on M4 (at left end of dash) M48 Power antenna (on right front fender) Red
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Infiniti QX4 2003 List of elements for Power Distribution Wiring Diagram (1 of 3) for Infiniti QX4 2003: 60 (in relay box 2) fuse & fusible link box Acc Anti-lock brakes system Battery Circuit breaker (on top of fuse block (j/b)) Cruise control system Defogger system Engine controls system Engine controls, anti-theft systems Engine controls, headlights, anti-theft systems Engine controls. defogger systems From fuse 56 b (diagram 1 of 3) From fusible link a a (diagram 1 of 3) Fuse & fusible link box (in relay box 2) Fuse 10a Fuse 15a Fuse 20a Fuse 31 20a Fuse 32 20a Fuse 33 10a Fuse 52 7.5a Fuse 56 20a Fuse 57 20a Fuse 65 7.5a Fuse 66 15a Fuse 7.5a Fusible link a 120a Fusible link c 40a Fusible link d 40a Fusible link e 40a Fusible link f 40a Fusible link g 40a Fusible link i 80a Headlights system Headlights, anti-theft Headlights, anti-theft systems Headlights, exterior lights, interior lights, warning systems Horns, cruise control, anti-theft, body computer systems Horns, cruise control, body computer, anti- theft, door locks, sound systems Ignition switch Nca Off Pnk Power tops, seats, power windows, door locks, body computer, memory systems Red Start Starting/ charging system Starting/charging system Systems Tail lamp relay (in relay box 1) To accessory relay (diagram 2 of 3) To fuse 26 (diagram 3 0f 3) To fuse 58 (diagram 1 of 3) To fuse 6 (diagram 3 0f 3) To fuse block (j/b) (diagram 2 of 3) To fuse block (j/b) (diagram 3 of 3) To fusible link c (diagram 1 of 3) To ignition relay (diagram 2 of 3) To power socket relay (diagram 3 of 3) Transmissions system Power Distribution Wiring Diagram (2 of 3) for Infiniti QX4 2003 List of elements for Power Distribution Wiring Diagram (2 of 3) for Infiniti QX4 2003: 67 (near front wiper motor) m77 10y 12y 14u 15u 17u 19u 20u 24u 28u 33u 39u 41u 43u 44u 48u Accessory relay Air conditioning, headlights, exterior lights, interior lights, instrument cluster, engine controls, defogger, power tops, door locks, power windows, body computer, anti-theft, memory systems Anti-lock brakes system Cigarette lighter socket Defogger, warning system, anti-theft, power windows, power tops, headlights, exterior lights, interior lights, smart entrance control unit & cruise control systems Door locks, headlights, interior lights, exterior lights, anti-theft, power antenna, body computer, navigation & sound systems Engine controls system Exterior lights system Exterior lights, cruise control, anti-lock brakes, transmissions & shift interlock systems From accessory l From accessory m From fuse & fusible link box (diagram 1 of 3) From ignition switch (diagram 1 of 3) Fuse 10a Fuse 11 7.5a Fuse 12 7.5a Fuse 13 15a Fuse 14 10a Fuse 15a Fuse 18 10a Fuse 19 20a Fuse 20 15a Fuse 24 7.5a Fuse 28 10a Fuse 29 10a Fuse 3 20a Fuse 5 10a Fuse 7 7.5a Fuse 8 10a Fuse 9 10a Fuse block (j/b) (left side of dash) Headlights, engine controls defogger systems Ignition relay Interior lights system Mirrors & instrument cluster systems Navigation, sound systems Power antenna, anti-theft systems Red Relay (diagram 2 of 3) Seats system Shift interlock, air conditioning, navigation, memory systems To blower motor relay (diagram 3 of 3) To fuse 25 (diagram 3 of 3) To ignition relay (diagram 2 of 3) To power socket relay (diagram 3 of 3) Transmissions system Transmissions systems Trunk, tailgate, fuel doors system Warning systems, door locks, interior lights & seats systems Warning systems, transmissions, exterior lights, starting/charging, cruise control, instrument cluster, navigation systems Wiper/ washer system Power Distribution Wiring Diagram (3 of 3) for Infiniti QX4 2003 List of elements for Power Distribution Wiring Diagram (3 of 3) for Infiniti QX4 2003: 50 (diagram 1 of 3) 10u 11u 11w 13w 14w 16u 16w 26u 27u 30u 31u 32u 36u 37u Air conditioning system Anti-theft system B11 (under left kick panel) B55 (at right kick panel) Blower motor relay Engine controls & memory systems Engine controls & transmissions, systems Engine controls system Engine controls, transmissions & cruise control systems Exterior lights & interior lights system Exterior lights system From fuse & fusible link box (diagram 1 of 3) From ignition j switch (diagram 1 of 3) From ignition relay (diagram 2 of 3) From ignition switch (diagram 1 of 3) From tail lamp relay k Fuse 1 15a Fuse 16 10a Fuse 17 15a Fuse 2 15a Fuse 21 10a Fuse 22 10a Fuse 25 15a Fuse 26 7.5a Fuse 6 7.5a Fuse block (j/b) (left side of dash) Headlights system Interior lights system M111 (at left end of dash) M4 (at left end of dash) M77 (near front wiper motor) Power socket Power socket relay (behind left side of dash, above fuse block (j/b)) Rear power socket Red
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Infiniti QX4 2003 List of elements for Power Door Locks Wiring Diagram for Infiniti QX4 2003: 58 (at left end of dash) m111 (at lower right of tailgate) (at right kick panel) b55 (under left kick panel) b11 19u m10 1w e3 Back door key cylinder switch Back door lock actuator Back door switch Bat (c/b) Bat (fuse) Between full stroke and n Circuit breaker (on top of fuse block (j/b)) Com Communication i/f Cpu D15 D210 D210 (at lower right of tailgate) Door lock & unlock sw left Door lock & unlock sw right Door lock (all) Door sw (all) Door sw (as) Door sw (dr) Door unlock (as/rr) Door unlock (dr) Full stroke Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd1 Gnd2 Hot at all times Key cyl sw (lock) Key cyl sw (unlock) Key sw Key switch Left front door key cylinder switch Left front door lock actuator Left front door switch Left rear door lock actuator Left rear door switch Lock M121 M122 M123 M66 (at right end of dash) M77 (near front Out Power window main switch Right front door lock actuator Right front door switch Right front power window switch Right rear door lock actuator Right rear door switch Smart entrance control unit (behind dash, next to fuse block) Unlock Wiper motor)
POWER MIRRORS Power Mirrors Wiring Diagram for Infiniti QX4 2003 List of elements for Power Mirrors Wiring Diagram for Infiniti QX4 2003: 17 44u m10 Changeover switch Defogger system Door mirror remote control switch Fuse 10a Fuse block (j/b) (left side of dash) Hot in acc or on Left side door mirror Left/right motor M147 (at right end of dash) M4 (at left end of dash) M66 (at right end of dash) Mirror switch Off Pnk Right side door mirror Up/down motor
POWER SEATS Heated Seats Wiring Diagram for Infiniti QX4 2003 List of elements for Heated Seats Wiring Diagram for Infiniti QX4 2003: 24 10y m91 B11 (under left kick panel) B22 (at lower rear of left rear quarterpanel) B55 (at right kick panel) B75 (at lower rear of right rear quarterpanel) Fuse 28 15a Fuse block (j/b) (left side of dash) High Hot in on or start Indicator Left front heated seat Left front heated seat switch Left rear heated seat Left rear heated seat switch Low Pnk Red Right front heated seat Right front heated seat switch Right rear heated seat Right rear heated seat switch Seat back heater Seat cushion heater Seat cushion thermostat Passenger Seat Wiring Diagram for Infiniti QX4 2003 List of elements for Passenger Seat Wiring Diagram for Infiniti QX4 2003: 9 B55 (at right kick panel) B75 (at lower rear of right rear quarterpanel) Circuit breaker (on top of fuse block (j/b)) Fwd Hot at all times Reclining motor Rev Right power seat Slide motor
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Infiniti QX4 2003 List of elements for Power Top/Sunroof Wiring Diagram for Infiniti QX4 2003: 33 15u 19u Auto close Auto open Bat (fuse) Circuit breaker (on top of fuse block (j/b)) Cpu Diode (behind left side of dash) Down Encoder Fuse 11 7.5a Fuse 24 7.5a Fuse block (j/b) (left side of dash) Gnd2 Hot at all times Hot in on or start Ign M10 M122 M123 M147 (at right end of dash) M4 (at left end of dash) M77 (near front wiper motor) Power window relay (on top of fuse block (j/b)) Rap output Red Slide limit switch Slide switch Smart entrance control unit (behind dash, next to fuse block) Sun roof motor (at front of sun roof opening) Sun roof switch Tilt limit switch Tilt switch
POWER WINDOWS Power Windows Wiring Diagram for Infiniti QX4 2003 List of elements for Power Windows Wiring Diagram for Infiniti QX4 2003: 47 (behind dash, next to fuse block) smart entrance control unit 15u 19u Auto dn Auto dn dn Auto up Battery (fuse) Circuit breaker (on top of fuse block(j/b)) Com Communication i/f Cpu D15 Diode (behind left side of dash) Down Encoder Front left Front right Fuse 7.5a Fuse block (j/b) (left side of dash) Gnd 2 Hot at all times Hot in on or start Ignition Illumination Left front door key cylinder switch Left front power window regulator Left rear power window regulator Left rear power window switch Limit switch Lock M10 M122 M123 M147 (at right end of dash) M4 (at left end of dash) M77 (near front wiper motor) Power window main switch Power window relay (on top of fuse block(j/b)) Rap out Rear left Rear right Right front power window regulator Right front power window switch Right rear power window regulator Right rear power window switch Unlock Window lock sw
RADIO Radio Wiring Diagram for Infiniti QX4 2003 List of elements for Radio Wiring Diagram for Infiniti QX4 2003: 72 fr lh(-) amp fr lh(-) out fr lh(+) out navi in (+) pwr on sig seek/ aps up navi on mode navi in (-) rr lh(+) in (unused pins not shown) 41u Acc Antenna in Antenna in Audio amplifier relay (behind left luggage room trim) Audio unit Aux box (w/ rear tv) B11 (under left kick panel) B55 (at right kick panel) Back-up illum illum ground acc Battery Data/out Fr lh(+) amp Fr rh(-) amp fr rh(+) amp antenna ctrl Fuse 10 10a Fuse 4 15a Fuse block (j/b) (left side of dash) Gnd Ground Ground on signal Horn/ry Horns system Hot at all times Hot in acc or on Interior lights system Left front door speaker Left rear door speaker Left tweeter M10 M139 M147 (at right end of dash) M4 (at left end of dash) M48 M49 M77 (near front wiper motor) M81 Mode Navigation system Nca Pnk Power Power antenna system Pulse Rear speaker amplifier (behiind left luggage room trim) Rear tv switch (w/ rear tv) Red Remote on/off Right front door speaker Right rear door speaker Right tweeter Rod antenna Rr lh(+) amp Rr lh(-) amp Rr lh(-) in Rr rh(+) in Rr rh(+) out Rr rh(-) amp rr rh(+) amp Rr rh(-) in Rr rh(-) out Seek/aps up Spiral cable Steering wheel receiver control switch Steering wheel switch (audio) W/ icc W/o icc Window antenna
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Infiniti QX4 2003 List of elements for Shift Interlock Wiring Diagram for Infiniti QX4 2003: 23 14u 39u A/t device (at base of selector lever) B55 (at right kick panel) B75 (at lower rear of right rear quarterpanel) Diode (behind right kick panel) Exterior lights system Fuse 11 7.5a Fuse 14 10a Fuse block (j/b) (left side of dash) Hot at all times Hot in on or start Left seat control unit (w/ memory seat) (under driver's seat) M10 Nca Off P range sw Park position switch Relay Seat Shift lock solenoid Stoplight switch (on bracket, above brake pedal) W/ memory
STARTING/CHARGING Charging Wiring Diagram for Infiniti QX4 2003 List of elements for Charging Wiring Diagram for Infiniti QX4 2003: 17 17u Alternator l Battery Charge indicator Combination meter E101 (under fuse & fusible link box) E105 E107 Fuse & fusible link box (in relay box-2) Fuse 7.5a Fuse 8 10a Fuse block (j/b) (left side of dash) Fusible link a 120a Hot in on or start M10 M26 Nca Starting Wiring Diagram for Infiniti QX4 2003 List of elements for Starting Wiring Diagram for Infiniti QX4 2003: 21 24u Acc B55 (at right kick panel) B75 (at lower rear of right rear quarterpanel) Battery Cruise control system Fuse & fusible link box (in relay box-2) Fuse 18 10a Fuse block (j/b) (left side of dash) Fusible link e 40a Hot at all times Hot in on or start Ignition switch Lock M10 Nca Park/ neutral position relay (in relay box-2) Park/ neutral position switch (on right rear of transmission) Power distribution system Start Starter motor
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Infiniti QX4 2003 List of elements for Supplemental Restraints Wiring Diagram for Infiniti QX4 2003: 50 (at left end of dash) m4 17u 32u Air bag Air bag diagnosis sensor unit (below rear of center console) B130 B155 Combination meter Data link connector (dlc) (partial) (on lower dash panel, left of steering column) Driver side air bag module Fuse 22 10a Fuse 8 10a Fuse block (j/b) (left side of dash) Gnd Hot in on or start Ignition Kline Left lock - Left satellite sensor (at base of left "b" pillar) Left seat-belt pretensioner Left side air bag module M25 M26 Nca Nca (at base of left front door sill) b170 Nca (at base of right front door sill) b165 Passenger side air bag module Pnk Right lock - Right satellite sensor (at base of right "b" pillar) Right seat-belt pretensioner Right side air bag module Sat lh + Sat lh - Sat rh + Sat rh - Spiral cable Sq as + Sq as - Sq dr + Sq dr - Sq pas + Sq pas - Sq pdr + Sq pdr - Sq side lh + Sq side lh - Sq side rh + Sq side rh - W/l led
TRANSMISSION 4WD Wiring Diagram (1 of 2) for Infiniti QX4 2003 List of elements for 4WD Wiring Diagram (1 of 2) for Infiniti QX4 2003: 83 10u 11u 17u 2-4wd 2wd 2wd lp 2wd sw 4l sw 4lo 4lo ind 4wd d/r 4wd lp 4wd sol 4wd temp 4wd warn ind Abs sig Actr sw1 Actr sw2 Anti-lock brakes Atp sw Atp warn ind Auto Auto lp Auto sw Avcc B55 (right kick panel) Close sw Closed throttle Cnslt rx Cnslt tx Combination meter Cps Data link connector (for consult) (on lower dash panel, left side of steering column) Ecm (behind center of dash) F20 (left front of engine) F43 (left front of engine) Front revolution sensor (transfer) (left of transfer case) Fuse 10a Fuse 7.5a Fuse block (left side of dash) Gnd Gnd-a Hot at all times Hot in on or start Idle sw J/c (left end of dash) Lock Lock lp Lock sw Lps M111 (left end of dash) M4 (left end of dash) Mem b/u Mot/mon Mot/rly N-4lo N-sw Nca P-sw Pnk R-sw Red Rly ctrl Sens gnd Sens pwr Tacho Th sens Throttle position sensor (on throttle body) Throttle position switch (integral to throttle position sensor) Transfer control unit (behind lower center dash panel) Transfer motor (left rear of transmission) Transmission control module (behind dash, left of steering column) Tvo Tvoo Unified meter cntrl unit Vign Vsp in Vsp out W/ icc W/o icc Wait sw Wide open Wot 4WD Wiring Diagram (2 of 2) for Infiniti QX4 2003 List of elements for 4WD Wiring Diagram (2 of 2) for Infiniti QX4 2003: 34 2-4wd sol valve 24u 2wd 48u 4lo 4wd shift switch 4wd sol valve A/t circuit All times fuse & fusible link box (in relay box 2, at right fender) Atp switch Auto Automatic transmission B55 (right kick panel) Clutch pressure switch E13 (left front of engine compt) Fuse 10a Fuse 20a Fuse block (left side of dash) Hot at Hot in on or start Interior lights system Line pressure switch Nca Neut 4 lo switch Park/neutral position switch (right rear of transmission) Red Relay box 1 (on left front fenderwell) Transfer control device (actuator position switch) Transfer dropping resistor (right side of engine compt, between battery and fenderwell) Transfer fluid temp sensor Transfer motor relay (left side of engine compartment) Transfer shift hi relay Transfer shift low relay Wait detection switch A/T Wiring Diagram for Infiniti QX4 2003 List of elements for A/T Wiring Diagram for Infiniti QX4 2003: 93 (left front of engine) f43 (or red) (right rear of transmission) park/neutral position switch (right side of engine compt) abs actuator & electric unit 1-sw 10u 17u 2-sw 24u 39u 4wd circuit A/t dropping resistor (right side of engine compt, near battery) A/t fluid temp A/t fluid temp sensor A/t fluid temp switch Ascd Ascd control unit (behind left kick panel) Automatic transaxle Avcc B55 (right kick panel) Brk sw Closed Combination meter Cruise D-sw Data in Data link connector (lower dash panel, left of steering column) Data out Diode (left side of dash) Ect Engine control module (ecm) (behind center of dash) Engine coolant temperature sensor (rear of engine, on water outlet) Exterior lights system F20 (left front of engine) Fld temp Full sw Fuse 10a Fuse 7.5a Fuse block (left side of dash) Gnd Gnd-a Hot at all times Hot in on or start Icc unit (behind left luggage room trim) Idle J/c Lan Line press sol valve Lp sol Lu duty M4 (left end of dash) Mem b/u N-sw Nca O/d lmp O/d off ind Od cnl Od off Ov r/c Over- run clutch sol Overdrive control switch Pl duty Pnk R-sw Rear revolution sensor (top of trans adapter) Red Sens gnd Sens pwr Shift a Shift b Shift sol valve a Shift sol valve b Sol a Sp sen 1 Stop lamp switch (above brake pedal) Tacho Tcc sol valve Th sens Throttle position sensor Throttle position switch (integral to throttle position sensor) Transmission control module (behind dash, left of steering column) Turbine Turbine revolution sensor (front of trans case) Tvo Tvoo Unified meter control unit V ign Vsp Vsp out Vsp-2 W/ icc W/o icc Wide open
TRUNK, TAILGATE, FUEL DOOR Fuel Door Release Wiring Diagram for Infiniti QX4 2003 List of elements for Fuel Door Release Wiring Diagram for Infiniti QX4 2003: 7 (near front wiper motor) m77 Fuel filler lid & glass hatch opener switch (fuel filler lid opener switch) Fuel lid opener actuator Fuse 10a Fuse block (j/b) (left side of dash) Hot at all times M81 Rear Glass Release Wiring Diagram for Infiniti QX4 2003 List of elements for Rear Glass Release Wiring Diagram for Infiniti QX4 2003: 12 Closed Fuel filler lid & glass hatch opener switch (glass hatch opener switch) Fuse 10a Fuse block (j/b) (left side of dash) Glass hatch opener actuator Hot at all times Link switch M81 Of dash) m111 Off Open Rear wiper motor
WARNING SYSTEMS Warning Systems Wiring Diagram for Infiniti QX4 2003 List of elements for Warning Systems Wiring Diagram for Infiniti QX4 2003: 49 15u 17u 19u 1st 2nd Auto B11 (under left kick panel) Bat (fuse) Combination meter Combination switch (lighting switch) Diode (behind left kick panel) Door ind Door sw (dr) E13 (at left front of engine compt) Fuse & fusible link box (in relay box 2) Fuse 11 7.5a Fuse 24 7.5a Fuse 61 10a Fuse 8 10a Fuse block (j/b) (left side of dash) Gnd 1 Gnd 2 Hot at all times Hot in on or start Ign Instrument cluster system Interior & exterior lights systems Key sw Key switch Left front door switch M10 M111 (left end of dash) M121 M122 M123 M24 M26 M77 (near front wiper motor) Off Red Seat belt buckle switch (in driver's seat belt buckle) Seat belt ind Seat belt sw Smart entrance control unit (behind dash, next to fuse block) T/l out 1 T/l out 2 T/l sw1 T/l sw2 Taillamp relay (in relay box 1)
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Infiniti QX4 2003 List of elements for Front Wiper/Washer Wiring Diagram for Infiniti QX4 2003: 20 2x e4 43u m10 Combination switch (front wiper switch) E13 (at left front of engine compt) Front washer motor (on washer fluid reservoir) Front wiper motor (on right side of firewall) Fuse 19 20a Fuse block (j/b) (left side of dash) High Hot in acc or on Int Low M77 (near front wiper motor) Move Off Red Stop Variable intermittent wiper control Wash Wiper amplifier Rear Wiper/Washer Wiring Diagram for Infiniti QX4 2003 List of elements for Rear Wiper/Washer Wiring Diagram for Infiniti QX4 2003: 15 12y B22 (at lower rear of left rear quarterpanel) Combination switch (rear wiper switch) D210 (at lower right of tailgate) E13 (at left front of engine compt) Fuse 10a Fuse block (j/b) (left side of dash) Glass hatch switch Hot in acc or on Int M91 Off Rear washer motor (on washer fluid reservoir) Rear wiper motor (on lower right side of hatch) Wash
