Infiniti Q45 II (1996-2001) nca Wiring diagrams

ABS/TCS CONTROL UNIT (BEHIND RIGHT SIDE OF DASH) ASCD (CRUISE) CONTROL UNIT (BEHIND DASH, LEFT OF STEERING COLUMN) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONSULT RX DIAG-L CONSULT TX FUSE 28 FUSE 30 FUSE 31 FUSE 34 FUSE 37 FUSE 4 FUSE 56 FUSE BLOCK (BEHIND LEFT SIDE OF DASH) FUSE J FUSE K FUSE, FUSIBLE LINK, RELAY BOX (RIGHT FRONT SIDE OF ENGINE COMPT, NEAR BATTERY) GRD GRD GRD GRD-LAN GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN ON OR START JOINT CONNECTOR 1 (BEHIND LEFT SIDE OF DASH) JOINT CONNECTOR 6 (UPPER RIGHT SIDE OF DASH) LEFT FRONT WHEEL SENSOR LEFT REAR WHEEL SENSOR LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PPL RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT WHEEL SENSOR RIGHT REAR WHEEL SENSOR SLIP IND TCS OFF IND TCS ACTIVE TCS SW ECCS TACH STOP LAMP SWITCH (BRAKE PEDAL BRACKET) STOP SW ABS ACTR RLY ABS MTR MON TCS SWITCH TRANSMISSION CONTROL MODULE (LEFT KICK PANEL) VIGN GRD GRD GRD WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 6 7 8 9 10 12 13 14 15 16 17 18 19 20 101 103 107 108 110 GND-A 127 73 66 61 52 99 129 GND-C TCS SW STPS ABS ACTUATOR (RIGHT REAR OF ENGINE COMPT, BEHIND STRUT TOWER) ABS IND. BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DIODE ECM (ECCS) CONTROL MODULE (RIGHT KICK PANEL) GRN WIRE GRN/ WHT WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE JOINT CONNECTOR 1 (BEHIND LEFT SIDE OF DASH) JOINT CONNECTOR 8 (BEHIND LEFT KICK PANEL) LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MOTOR RELAY NCA WIRE ORG/BLK WIRE PNK WIRE PPL RED WIRE RED/BLU WIRE SECONDARY THROTTLE POSITION SENSOR (ON THROTTLE BODY) SLIP IND SOLENOID VALVE RELAY TAC MODULE (BEHIND RIGHT KICK PANEL) TACH SIGNAL INPUT TACHO LAN GND-A TCS OFF IND THROTTLE MOTOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

12 17 5 7 DOOR LOCK DOOR UNLOCK UNLOCK SENS LOCK SWITCH 12 17 5 DOOR LOCK DOOR UNLOCK UNLOCK SENS 14 15 3 GROUND BATTERY 15 3 14 17 12 5 7 BATTERY 15 3 14 BATTERY 2 1 PNK WIRE 90 89 GND ANT A/C SYSTEMS BETWEEN FULL STROKE, NEUTRAL BLK WIRE BLK/ YEL WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND DASH, RIGHT OF STEERING COLUMN) BRN WIRE BRN/YEL WIRE CIRCUIT BREAKER 1 (BEHIND LEFT KICK PANEL) CIRCUIT BREAKER 2 (BEHIND LEFT KICK PANEL) DOOR LOCKS SYSTEM DRIVER'S DOOR CONTROL UNIT (INSIDE LEFT FRONT DOOR) DRIVER'S DOOR SWITCH FRONT PASSENGER'S DOOR SWITCH FULL STROKE FUSE 14 FUSE 13 FUSE 23 FUSE 32 FUSE 34 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) FUSE 28 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GROUND GROUND DOOR UNLOCK DOOR LOCK UNLOCK SENS LOCK SWITCH GRY/BLU WIRE HEAD- LIGHTS SYSTEM HOOD SWITCH HORNS SYSTEM HOT AT ALL TIMES HOT IN HOT IN ON OR ACCY HOT IN ON OR START IGNITION IMMOBILIZER CIRCUIT JOINT CONNECTOR 1 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BOX) JOINT CONNECTOR 12 (BEHIND TOP CENTER OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 3 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BOX) KEY SWITCH (IGNITION SWITCH ASSY) LEFT REAR DOOR CONTROL UNIT (INSIDE LEFT REAR DOOR) LEFT REAR DOOR SWITCH LT BLU WIRE LT GRN/RED WIRE MEMORY SYSTEMS MULTI-REMOTE CONTROL RELAY (RIGHT FRONT CORNER OF LUGGAGE COMPT) NCA WIRE ORG/ WIRE ORG/BLU WIRE PASSENGER'S DOOR CONTROL UNIT (INSIDE RIGHT FRONT DOOR) PNK 1 2 WIRE PNK WIRE PNK/BLU WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT REAR DOOR CONTROL UNIT (INSIDE RIGHT REAR DOOR) RIGHT REAR DOOR SWITCH EXTERIOR LIGHTS SYSTEM SEATS SYSTEM SECURITY INDICATOR THEFT WARNING HORN (LEFT REAR OF ENGINE COMPT) THEFT WARNING HORN RELAY (IN LUGGAGE COMPT) THEFT WARNING LAMP RELAY (IN FUSE BLOCK) TRUNK LID KEY CYLINDER SWITCH TRUNK ROOM LAMP SWITCH WHT RED/ WIRE WHT WIRE WHT/RED WIRE WINDOW ANTENNA YEL WIRE YEL/BLK WIRE YEL/RED WIRE

89 90 ANT GND ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM COMPUTER DATA LINES SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (BEHIND DASH, RIGHT OF STEERING COLUMN) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CIRCUIT BREAKER 2 (BEHIND LEFT KICK PANEL) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM MEMORY SYSTEMS DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM FUSE 14 FUSE 23 FUSE 32 FUSE 34 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN HOT IN ACCY OR ON HOT IN ON OR START IGN KEY SWITCH INT LIGHTS TELE SW UNLOCK SW DOOR SW TRUNK UNLK INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM MEMORY SYSTEMS MEMORY SYSTEMS JOINT CONNECTOR 12 (BEHIND TOP CENTER OF DASH) JOINT CONNECTOR 2 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BLOCK) JOINT CONNECTOR 3 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BLOCK) JOINT CONNECTOR 4 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 8 (BEHIND LEFT KICK PANEL) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MEMORY SYSTEMS MEMORY SYSTEMS MEMORY SYSTEMS MEMORY SYSTEMS MEMORY SYSTEMS NCA WIRE ORG/ WIRE ORG/BLU WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RX PNK TX TRUNK SW HOOD SW INT LIGHTS TELE SW TILT SW WIRE SEC IND TELE SENS TRUNK OPEN IGN KEY DOOR WARN MEM IND 2 GND A/D GND WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

ABS/TCS CONTROL UNIT (BEHIND RIGHT SIDE OF DASH) ASCD BRAKE SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) ASCD CONTROL UNIT (BEHIND DASH, LEFT OF STEERING COLUMN) ASCD HOLD UNIT (BEHIND DASH, RIGHT OF STEERING COLUMN) ASCD PUMP (AT LEFT REAR CORNER OF ENGINE COMPT) ASCD STEERING WHEEL SWITCH BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE COMBINATION METER CRUISE IND DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH, BESIDE HOOD LOCK RELEASE HANDLE) DIODE (UNDER CARPET, NEAR DRIVER'S DOOR SILL) ENGINE CONTROLS SYSTEM FUSE 32 FUSE 18 FUSE 37 FUSE 64 FUSE BLOCK FUSE, FUSIBLE LINK, RELAY BOX GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE HORN RELAY (IN FUSE, FUSIBLE LINK, RELAY BOX) HOT AT ALL TIMES HOT IN ON OR START IGNITION MAIN SW MAIN OUT GROUND 2 3 4 JOINT CONN- ECTOR 2 (NEAR FUSE BLOCK) JOINT CONNECTOR 1 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BLOCK) JOINT CONNECTOR 7 (BEHIND LEFT KICK PANEL) JOINT CONNECTOR 8 (BEHIND LEFT KICK PANEL) LT GRN WIRE MAIN SWITCH NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION RELAY (IN FUSE, FUSIBLE LINK, RELAY BOX) PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) PNK WIRE PNK/BLU WIRE PPL/ WHT WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RESUME/ ACCEL SET IND SET/ COAST SPEED SIG OUT SPIRAL CABLE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TRANSMISSION CONTROL MODULE (BEHIND LEFT KICK PANEL) WHT RED/ WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/PPL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE FUSE 63 FUSE BLOCK (BEHIND LEFT SIDE OF DASH) FUSE, FUSIBLE LINK, RELAY BOX (RIGHT FRONT SIDE OF ENGINE COMPT, NEAR BATTERY) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH MOUNTED STOP LAMP HOT AT ALL TIMES JOINT CONN- ECTOR 15 (IN FUSE, FUSIBLE LINK, RELAY BOX) LEFT REAR COMBINATION LAMP LICENSE LAMPS LT BLU WIRE MULTI-REMOTE CONTROL RELAY (IN RIGHT FRONT CORNER OF LUGGAGE COMPT) NCA WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT REAR COMBINATION LAMP STOP TAIL STOP, TAILLIGHT SENSOR (IN REAR OF LUGGAGE COMPT) STOPLAMP SW A TAIL TAILLIGHT RELAY (IN FUSE, FUSIBLE LINK, RELAY BOX) TURN SIGNAL SWITCH TURN TURN WARNING SYSTEMS WHT WIRE WHT/GRN WIRE YEL/RED WIRE

1 2 PNK WIRE 5 57 56 113 HDLP RELAY T/COORD VR GND GND ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (BEHIND DASH, RIGHT OF STEERING COLUMN) BRN/RED WIRE COMBINATION METER COMBINATION SWITCH (LIGHTING SWITCH) COMBO SW (AUTO) DAYTIME LIGHT CONTROL UNIT (LEFT SIDE OF ENGINE COMPT) DIODE (BEHIND TOP LEFT SIDE OF DASH, TAPED TO HARNESS) FOGLIGHT RELAY (BEHIND RIGHT KICK PANEL) FRONT FOGLIGHT SWITCH FUSE 20 FUSE 23 FUSE 32 FUSE 34 FUSE 40 FUSE 53 FUSE 54 FUSE 59 FUSE 61 FUSE BLOCK (BEHIND LEFT SIDE OF DASH) FUSE 14 FUSE, FUSIBLE LINK, RELAY BOX (NEAR BATTERY) COMPT) GRN WIRE GRN/RED WIRE GROUND PARK BRK SW HEADLIGHT RELAY (FUSE, FUSIBLE LINK, RELAY BOX) HID HID RELAY (IN FUSE, FUSIBLE LINK, RELAY BOX) HIGH BEAM IND HOT AT ALL TIMES HOT IN HOT IN ON OR ACC HOT IN ON OR START IGN AUTO SENS GRD AUTO SENS SIG IGNITION RT LITE FUS LFT LITE FUS LFT LITE RT LITE ILLUMINATION TIME CONTROL SWITCH JOINT CONNECTOR 10 (BEHIND TOP CENTER OF DASH) JOINT CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) JOINT CONNECTOR 4 (BEHIND UPPER LEFT SIDE OF DASH) LEFT FRONT FOGLIGHT LFT LITE HI RT LITE HI LOW HI PASS LOW HIGH LOW HIGH LEFT HEADLAMP RIGHT HEADLAMP LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NCA WIRE OFF HEAD OPTICAL SENSOR (TOP LEFT SIDE OF DASH) ORG/ WIRE PARK AUTO PARK AUTO HEAD PARKING BRAKE SWITCH (PARK LEVER) PNK 105 60 68 58 52 59 14 BATT WIRE PNK WIRE PPL/RED WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT FOGLIGHT RT HI BEAM LFT HI BEAM STARTING/ CHARGING SYSTEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ALT-L WARNINGS SYSTEM WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK RED/ WIRE BLK WIRE BLK/PNK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSI- TION SENSOR (ON FRONT OF LEFT CYLINDER HEAD) CRANKSHAFT POSITION SENSOR (BOTTOM RIGHT SIDE OF TRANSMISSION BELLHOUSING) EGR VALVE, EVAP CANISTER PURGE CONTROL SOLENOID VALVE (TOP REAR OF ENG) FUEL INJECTORS FUSE 2 FUSE BLOCK GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT IN ON OR START LT GRN WIRE MASS AIR- FLOW SENSOR (BETWEEN AIR DUCT, AIR CLEANER HOUSING) NCA WIRE PNK 29 30 31 32 33 34 35 36 37 38 39 40 WIRE PNK WIRE PPL/RED WIRE PPL/WHT WIRE RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY THROTTLE POSITION SENSOR (ON THROTTLE BODY, NEXT TO AIR DUCT) TAC MODULE (BEHIND RIGHT KICK PANEL) WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL/RED WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON TOP RIGHT FONR OF ENG, NEAR INJ 2) EVAP CONTROL SYSTEM PRESSURE SENSOR (UNDER RIGHT REAR OF VEHICLE) FUSE 16 FUSE 3 FUSE 18 FUSE 33 FUSE BLOCK (J/B) FUSE 29 GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRY/BLU WIRE HOT IN ON OR START INTAKE AIR TEMPERATURE SENSOR (ON LEFT FRONT OF ENG COMPT, IN AIR DUCT) J/C 6 (BEHIND UPPER RIGHT SIDE OF DASH, TAPE TO HARN) NCA WIRE PARK/ NEUTRAL POSITION RELAY (IN FUSE, FUSIBLE LINK, RELAY BOX) PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY, NEAR INTAKE MANI- FOLD COLLECTOR) TRANSMISSION CONTROL MODULE (BEHIND LEFT KICK PANEL) WHT WIRE WHT/ BLK WIRE WHT/BLU WIRE WHT/PPL WIRE WHT/RED WIRE YEL/BLK WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN/WHT WIRE BRN/YEL WIRE CONDENSER (TAPED TO HARNESS, ON RIGHT SIDE OF ENGINE) DEFOGGER SYSTEM ECCS CONTROL MODULE (ECM) (BEHIND RIGHT KICK PANEL) FUEL TANK GAUGE UNIT (TANK FUEL TEMPERATURE SENSOR) (IN FUEL TANK) FUSE, FUSIBLE LINK, RELAY BOX FUSE 60 FUSE 57 GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRY/BLU WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR START FUSE BLOCK FUSE 4 HOT IN START FUSE 34 INSTRUMENT CLUSTER J/C 2 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BLOCK) J/C 6 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARN) J/C 8 (BEHIND LEFT KICK PANEL) LEFT KNOCK SENSOR (BELOW LEFT SIDE OF INTAKE MANIFOLD) LT BLU WIRE LT GRN/BLK WIRE MALFUNCTION IND LAMP NCA WIRE PNK BLU WIRE PNK WIRE PNK/BLU WIRE PPL/WHT WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE SPEEDO- METER TRANSMISSIONS SYSTEM VEHICLE SPEED SENSOR (ON TRANSMISSION REAR EXTENSION) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/PPL WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE