Infiniti M45 II (2002-2004) computer data lines system Wiring diagrams

3 1 1 3 PNK PNK WIRE ASCD CONTROL UNIT (BEHIND DASH, LEFT OF STEERING COL) BLK WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE FUSE 17 FUSE 6 FUSE 7 FUSE 9 FUSE BLOCK NO.1 (BEHIND LEFT END OF DASH) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 10 (BEHIND UPPER LEFT SIDE OF DASH) J/C 11 (BEHIND TOP CENTER 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 LT BLU WIRE LT GRN WIRE OF DASH) ORG/ WIRE ORG/BLU WIRE PNK WIRE PNK/BLU WIRE PPL PPL PNK WIRE PPL/BLU WIRE PPL/WHT WIRE PRESSURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SENSOR RIGHT REAR WHEEL SENSOR STOP LAMP SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TCS IN VCC VDC ACTUATOR (RIGHT REAR OF ENGINE COMPARTMENT) VDC/TCS/ABS CONTROL UNIT (BEHIND RIGHT KICK PANEL) VOUT WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

3 1 2 UP A/T CHECK IND AT DEVICE AUTO MODE SELECT SWITCH BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CAN L CAN-H COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) PPL DC SOL ENGINE CONTROL MODULE (BEHIND GLOVE BOX) BACK-UP LAMP RELAY (AT LEFT KICK PANEL) ENGINE CONTROLS SYSTEM FB SOL FUSE 32 FUSE 35 FUSE 9 FUSE BLOCK (J/B) 1 (LEFT END OF DASH) FUSE BLOCK (J/B) 2 (RIGHT KICK PANEL) ECM RELAY GND P GND-C GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IC SOL ILLUM J/C 10 (BEHIND UPPER LEFT SIDE OF DASH) J/C 11 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 19 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 20 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 5 (BEHIND UPPER LEFT SIDE OF DASH) K LINE LCB SOL LT BLU WIRE MANUAL NCA WIRE ORG/ WIRE PL SOL PNK 12 15 13 14 WIRE PNK DOWN POSITION SELECT SWITCH WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PPL PPL/WHT WIRE PVIGN RC SOL RED WIRE RED/BLU WIRE RED/WHT WIRE REV RLY 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 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 VACTR COMP ON COMP ON ECV A/C AUTO AMPLIFIER (BEHIND RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) A/C-AV (FR TX) AV-A/C (FR RX) SENS GND SUN SENS AIR MIX DOOR MOTOR (PASSENGER SIDE) (BEHIND RIGHT SIDE OF DASH, ON HEATER UNIT) AMBIENT SENSOR BEHIND CENTER OF FRONT BUMPER BLK WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE CLK (FR) COMBINATION METER COMPRESSOR) COMPUTER DATA LINES SYSTEM ECV SOLENOID VALVE FAN ON FAN PWM FUSE 2 FUSE 21 FUSE 6 FUSE BLOCK (J/B) NO.1 (BEHIND LEFT END OF DASH) GND BAT IGN GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IN-VEHICLE SENSOR (BEHIND LOWER CENTER OF DASH) INTAKE DOOR MOTOR (UNDER RIGHT SIDE OF DASH, ON INTAKE UNIT) J/C 11 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) J/C 14 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) J/C 19 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) LT BLU WIRE LT GRN/BLK WIRE MAGNETIC CLUTCH ORG/ WIRE PNK PNK PNK WIRE PNK WIRE PPL/WHT WIRE RED WIRE RED/YEL WIRE SUN LOAD SENSOR (UNDER TOP LEFT SIDE OF DASH) UNIFIED METER CONTROL UNIT W/T SENS ECM COMP YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 1 1 1 J/C 30 (BEHIND UPPER RIGHT SIDE OF DASH, NEAR PASS-THROUGH GROMMET) 12 13 14 15 16 17 BUS - BUS + BUS SHIELD BUS - BUS + BUS SHIELD 2 1 PNK WIRE 40 43 44 45 36 38 37 39 SHIELD AV-AC AC-AV ACCLK 47 28 24 PRF+ PRF- ACRLY 47 48 46 44 45 43 BUS + BUS - SHIELD 88 89 103 121 122 171 174 PNK PDPRES GND-A AVCC TW TWRF CAN-L CAN-H WIRE 9 10 11 BUS + BUS - SHIELD AIR CONDITIONER RELAY AIR MIX DOOR MOTOR (DRIVER SIDE) AV, NAVI CONTROL UNIT (OR AV CONTROL UNIT) BLK WIRE BLK/RED WIRE BLOWER MOTOR (BELOW RIGHT SIDE OF DASH, ON INTAKE UNIT) BLOWER RELAY BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE COMPUTER DATA LINES SYSTEM CONNECTOR USED W/AV, NAVI CONTROL UNIT COOLING FAN SPEED CONTROL SOLENOID VALVE (ON FRONT OF ENGINE) DISPLAY ENGINE CONTROL MODULE (BEHIND GLOVE BOX) ENGINE COOLANT TEMPERATURE SENSOR (ON TOP REAR OF ENGINE) FUSE 31 FUSE 33 FUSE 51 FUSE BLOCK (J/B) 2 (BEHIND RIGHT KICK PANEL) FUSE, FUSIBLE LINK, RELAY BLOCK (J/B) (AT RIGHT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HEATER, COOLER UNIT ASSEMBLY HOT AT ALL TIMES INTAKE SENSOR J/C 28 (BEHIND UPPER RIGHT SIDE OF DASH, NEAR PASS-THROUGH GROMMET) J/C 29 (BEHIND UPPER RIGHT SIDE OF DASH, NEAR PASS-THROUGH GROMMET) MODE DOOR MOTOR (DRIVER SIDE) MULTIFUNCTION SWITCH NCA WIRE RADIATOR COOLANT TEMPERATURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR) RED WIRE RED/YEL WIRE W/AV CONTROL UNIT W/AV, NAVI CONTROL UNIT WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

ANTI-THEFT SYSTEM BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT KICK PANEL) CIRCUIT BREAKER 1 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM MEMORY SYSTEMS FUSE 1 FUSE 3 FUSE BLOCK NO. 1 (BEHIND LEFT KICK PANEL) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HEADLAMP BATTERY SAVER CONTROL UNIT HOOD SW HORN CHIRP WIPER AMP HORN SYSTEM WIPER/WASHER SYSTEM HOT AT ALL TIMES HOT IN ON OR START IGN KEY SWITCH INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM JOINT CONNECTOR 3 (BEHIND LEFT SIDE OF DASH, NEAR FUSE BLOCK) LT BLU WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAP/L (LH) MAP/L (RH) MEMORY SYSTEMS MEMORY SYSTEMS MEMORY SYSTEMS MEMORY SYSTEMS MEMORY SYSTEMS ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PPL TRUNK OPENER SW THEFT IND PPL/WHT WIRE RAP OUTPUT RED/BLK WIRE RED/YEL WIRE RR PERSONAL LMP RL PERSONAL LMP (RL) TELESCO SENS TRUNK OPENER IGN KEY ILL DOOR WARN LMP MEM IND 2 GND TILT TELE GND TRUNK, TAILGATE, FUEL DOORS SYSTEM ANTI-THEFT SYSTEM WHT/BLK WIRE WHT/BLU WIRE WIPER AUTO STOP WIPER/WASHER SYSTEM YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 GND VOUT VPWR 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 WARN APPLIED BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BNC-SW DDL-TX PNK WIRE BNO-SW DDL-RX PKB-SW BRAKE PRESSURE SENSOR (AT LEFT REAR CORNER OF ENGINE COMPARTMENT) BRN/WHT WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE (GREEN) CRUISE (YELLOW) DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) PNK WIRE DEPRESSED FUSE 17 FUSE 77 FUSE 9 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) GND-1 GND-2 BUZZ RLS-NO GND-3 STP-LMP GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START ICC BRAKE SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) ICC UNIT (ON RIGHT SIDE OF LUGGAGE COMPARTMENT) IGN 1 IGN 2 J/C 10 (BEHIND UPPER LEFT END OF DASH, TAPED TO HARNESS) J/C 8 (BEHIND LOWER LEFT SIDE OF DASH, TAPED TO HARNESS) 1 3 ORG/ WIRE PARK/NEUTRAL POSITION RELAY PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH, AT PARK BRAKE ASSEMBLY) PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE PSEN-GND PSEN-PWR PSEN-SIG RED WIRE RED/BLK WIRE RED/WHT WIRE RELEASED SOL + SOL- WIP-L CAN-H RLS-NC START RLY STARTING/ CHARGING SYSTEM TRANSMISSION CONTROL MODULE (TCM) (BEHIND GLOVE BOX) UNIFIED METER CONTROL UNIT (WITH ICC INDICATOR) WHT WIRE WHT/GRN WIRE WIP-H CAN-L RLS-PWR WIPER/WASHER SYSTEM YEL WIRE YEL/PPL WIRE YEL/RED WIRE

1 2 3 4 5 6 IGNITION 4 4 5 5 J/C 7 (BEHIND UPPER LEFT SIDE OF DASH, TAPED TO HARNESS) 89 113 GND-A TVOO ACCELERATE/ RESUME SWITCH AIR VALVE ASCD PUMP (AT RIGHT REAR CORNER OF ENGINE COMPARTMENT) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BOOST SOLENOID BRAKE BOOSTER BRN WIRE BRN/WHT WIRE CAN H GND CAN L CANCEL SWITCH COAST/ SET SWITCH COMBINATION SWITCH (SPIRAL CABLE) COMPUTER DATA LINES SYSTEM CRUISE GND-S TVO SAFTY VENT VACUUM MOTOR DISTANCE SWITCH ENGINE CONTROL MODULE (BEHIND GLOVE BOX) FUSE 1 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY/BLU WIRE HOT IN ON OR START ICC BRAKE HOLD RELAY (AT LEFT REAR OF ENGINE COMPARTMENT) ICC SENSOR (BEHIND CENTER OF FRONT BUMPER) ICC STEERING SWITCH ICC UNIT (ON RIGHT SIDE OF LUGGAGE COMPARTMENT) ICC WARNING CHIME (BELOW LOWER LEFT SIDE OF DASH) J/C 1 (BEHIND UPPER LEFT END OF DASH, TAPED TO HARNESS) J/C 25 (BEHIND LOWER LEFT SIDE OF DASH, NEAR PASS-THROUGH GROMMET) 3 3 3 J/C 3 (BEHIND UPPER LEFT END OF DASH, TAPED TO HARNESS) J/C 30 (BEHIND UPPER RIGHT SIDE OF DASH, NEAR PASS-THROUGH GROMMET) 1 1 NCA WIRE ON/OFF SWITCH ORG/ WIRE ORG/GRN WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELEASE VALVE STOPLAMP SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) STRG SIG T-RLY STRG GND OD-CANCEL VACUUM MOTOR WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 GND BAT BAT GND 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND BAT GND BAT 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 ILL IGN 3 3 1 1 2 2 PPL PPL PPL 30 31 PPL IIUTX IIURX 5 6 7 BUS (+) BUS (-) GND 57 56 58 PPL AIR CONDITIONING SYSTEM AV, NAVI CONTROL UNIT (AT FRONT CENTER OF LUGGAGE COMPT) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND LEFT KICK PANEL) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE BUS SHIELD BUS (+) BUS (-) BUS SHIELD BUS (+) BUS (-) COMBINATION METER COMBINATION SWITCH (SPIRAL CABLE) COMPUTER DATA LINES SYSTEM DISPLAY FUSE 1 FUSE 21 FUSE BLOCK (J/B) NO. 1 (BEHIND LEFT END OF DASH) FUSE, FUSIBLE LINK, RELAY BLOCK (J/B) (AT RIGHT SIDE OF ENGINE COMPT) FUSE 52 GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START ILL CON SHIELD ME-AV AV-ME AV-CN CN-AV SHIELD AC-AV AV-AC ACCLK JOINT CONNECTOR 10 (BEHIND UPPER LEFT END OF DASH) JOINT CONNECTOR 3 (BEHIND UPPER LEFT END OF DASH) JOINT CONNECTOR 7 (BEHIND UPPER LEFT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 9 (BEHIND LOWER LEFT SIDE OF DASH) LOW TIRE PRESSURE WARNING CONTROL UNIT (BEHIND CENTER OF DASH) LT BLU WIRE LT GRN WIRE MULTIFUNCTION SWITCH NCA WIRE ORG/BLU WIRE PNK WIRE PPL RED WIRE RED/BLU WIRE RED/WHT WIRE RGB GND RGB SYNC RX STRG SHIELD BUS (-) BUS (+) SHIELD BUS (-) BUS (+) BUS SHIELD BUS (-) BUS (+) SHIELD BUS+ BUS- SHIELD BUS + BUS - SOUND SYSTEMS SPEED STEERING SWITCH DATA OUT UNIFIED METER CONTROL UNIT VP YS HP SHIELD WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YS RGB SYNC VP HP RGB GND

124 128 WIPER AUTO STOP WIPER AMP 3 3 2 2 J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BEHIND LEFT KICK PANEL) COMBINATION METER COMBINATION SWITCH (FRONT WIPER SWITCH) COMPUTER DATA LINES SYSTEM FRONT WASHER MOTOR (IN WASHER FLUID RESERVOIR) FRONT WIPER MOTOR (ON LEFT SIDE OF FIREWALL) FRONT WIPER RELAY (IN FUSE, FUSIBLE LINK, RELAY BLOCK (J/B)) FUSE 1 FUSE 3 FUSE 34 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) FUSE BLOCK (J/B) 2 (BEHIND RIGHT KICK PANEL) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START INT LO HI J/C 25 (BEHIND LOWER LEFT SIDE OF DASH, NEAR PASS THROUGH GROMMET) 2 2 2 J/C 5 (BEHIND UPPER LEFT SIDE OF DASH, TAPED TO HARNESS) J/C 9 (BEHIND LOWER LEFT SIDE OF DASH, TAPED TO HARNESS) 5 5 5 PNK PNK PNK WIRE LT BLU WIRE LT GRN WIRE MIST OFF MOVE OFF ORG/ WIRE PNK WIRE PPL/WHT WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE STOP UNIFIED METER CONTROL UNIT VARIABLE INTERMITTENT WIPER VOLUME WASH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/ WHT WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRKSW FGAUGE- CAN L 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) FPCMCK FUEL LEVEL SENSOR UNIT, FUEL PUMP (IN FUEL TANK) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE J/C 15 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 29 J/C 7 (BEHIND UPPER LEFT SIDE OF DASH) KNOCK SENSOR (BANK 1) (BELOW LEFT SIDE OF INTAKE MANIFOLD) KNOCK SENSOR (BANK 2) (BELOW RIGHT SIDE OF INTAKE MANIFOLD) LT GRN WIRE MOTOR 1 IVCL GND M MOTOR 2 IVCR GND E VMOT CDCV GND E PNK WIRE NATS IMMU (BEHIND DASH, LEFT OF STEERING COLUMN) NCA WIRE ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE PSPRES FGAUGE+ QA- FTPRS RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE STOP LAMP SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TW TWRF VB KLINE GND C VB IM LIME GND C PPL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE