Infiniti FX45 I facelift (2005-2009) computer data lines system Wiring diagrams

19 9 1 11 RX TX CAN H CAN L PPL 21 22 BAT IGN 29 30 GND GND 3 1 2 PWR GND SIG OUT 5 4 3 2 1 PNK CAN L CAN H IGN GND WIRE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRN/WHT WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM FUSE 12 FUSE 82 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK BLOCK FUSIBLE LINK I FUSIBLE LINK L GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START PNK WIRE PPL PPL DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) PRESSURE SENSOR (LEFT REAR OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE STEERING ANGLE SENSOR (LEFT SIDE OF DASH) STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) SUPPLY UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) VDC OFF SWITCH WHT WIRE YAW RATE/SIDE/ DECEL G SENSOR (AWD) YAW RATE/SIDE G SENSOR YEL WIRE YEL/BLK WIRE

1 11 CAN H CAN L 21 22 BAT IGN 28 27 39 40 BLWR FAN SW AIRCON SW CAN-H CAN-L 29 30 GND (POWER) GND 37 38 36 25 26 29 30 28 DSP SHIELD DSP-DCU DCU-DSP CAN-H CAN-L SHIELD BUS- BUS+ 39 40 41 42 43 AMB SENS INCAR SENS INTAKE SENS COMP ON LAN SIG 45 46 COMP ECV 49 50 53 54 SENS GND SUN SENS FAN PWM OUT VACTR 6 8 7 PPL BUS + BUS - SHIELD A/C, AV SWITCH AMBIENT SENSOR (RIGHT FRONT CENTER OF ENGINE COMPARTMENT) BLK WIRE BLOWER MOTOR (LOWER RIGHT SIDE OF DASH) BLOWER RELAY BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT KICK PANEL) BRN/WHT WIRE BRN/YEL WIRE BUS DCU DSP GND COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY CONTROL UNIT (BEHIND RIGHT SIDE OF DASH) DRIVER SIDE AIR MIX DOOR MOTOR DSP-DCU FAN ON FUSE 10 FUSE 11 FUSE 12 FUSE 19 FUSE 6 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IN-VEHICLE SENSOR (LEFT SIDE OF DASH) INTAKE SENSOR LT GRN WIRE LT PPL MODE DOOR MOTOR NCA WIRE PASSENGER SIDE AIR INTAKE DOOR MOTOR MIX DOOR MOTOR PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE SUNLOAD SENSOR (UNDER TOP RIGHT SIDE OF DASH) UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

A/C RELAY BLK WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE CAN-L CAN-H AVCC PD- GND-A TW (PDPRES) PRES COMPRESSOR (LOWER LEFT FRONT OF ENGINE) COMPT) COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR (FRONT OF ENGINE COMPT) COOLING FAN RELAY 1 COOLING FAN RELAY 3 ECV SOLENOID VALVE ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT END OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) FUSE 71 FUSE 78 FUSE 79 FUSE, FUSIBLE LINK, RELAY BOX (RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK E FUSIBLE LINK G FUSIBLE LINK HOLDER (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION RELAY LT GRN WIRE LT GRN/RED WIRE MAGNET CLUTCH PNK (OR WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE REFRIGERANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE WHT WIRE WHT/RED WIRE

7 1 2 REV LAMP RLY CAN-H CAN-L A/T ASSEMBLY (LOWER REAR CENTER OF ENGINE COMPT) BACK-UP LAMP RELAY (LEFT REAR OF ENGINE COMPT, IN RELAY BOX-2) BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 83 GRN WIRE GRY WIRE HOT IN ON OR START LEFT BACK-UP LAMP LT GRN WIRE ORG/ WIRE PNK WIRE RIGHT BACK-UP LAMP TRANSMISSION CONTROL MODULE YEL WIRE

ACC SW FR DOOR SW RR DOOR SW AUTO LT IN TPMS MODE TRIGGER SW AIR CONDITIONING SYSTEM EXTERIOR LIGHTS SYSTEM AIRCON SW BLWR FAN SW HAZARD SW ANTI-THEFT SYSTEM BACK DOOR SW REAR WIPER AUTO STOP BAT SAVER OUTPUT BAT (FUSE) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT KICK PANEL) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS, INTERIOR LIGHTS SYSTEMS DOOR LOCKS, INTERIOR LIGHTS, ANTI-THEFT SYSTEMS DOOR LOCKS, INTERIOR LIGHTS, WARNING SYSTEMS DOOR LOCKS, WARNING, INTERIOR LIGHTS, ANTI-THEFT SYSTEMS FL DOOR SW RL DOOR SW PNK WIRE FUSE 1 FUSE 22 FUSE 6 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK, RELAY BOX (RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK M GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WARNING SYSTEM HEADLIGHTS, INTERIOR LIGHTS, EXTERIOR LIGHTS, WIPER/WASHER SYSTEMS HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START INTERIOR LIGHTS, MIRRORS SYSTEM LT BLU WIRE LT GRN WIRE NATS ANTENNA AMP ORG/ WIRE OUTPUT 5 OUTPUT 4 OUTPUT 3 OUTPUT 2 OUTPUT 1 KEY SW IGN SW CAN-H CAN-L PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER TOPS, POWER WINDOWS SYSTEMS PPL PPL KEY RING OUTPUT INPUT 5 INPUT 4 INPUT 3 INPUT 2 INPUT 1 PPL/WHT WIRE REAR WIPER MTR OUT RED WIRE RED/BLK WIRE RED/YEL WIRE RR DEF SW WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+BATT MOTOR FAN-3 MOTOR FAN-1 GND (SIGNAL) GND (POWER) +BATT +IG CAN-L CAN-H BLK WIRE BLK/PNK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE CAN-L CAN-H AVCC PD- (PDPRES) COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR (FRONT OF ENGINE COMPARTMENT) COOLING FAN RELAY 1 COOLING FAN RELAY 3 ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT END OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) FUSE 71 FUSE 78 FUSE, FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPARTMENT) FUSIBLE LINK E FUSIBLE LINK G FUSIBLE LINK HOLDER (RIGHT REAR OF ENGINE COMPARTMENT) GND-A TW PRES GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION RELAY LT GRN WIRE LT GRN/RED WIRE PNK (OR PNK (OR WIRE PNK WIRE PPL RED WIRE REFRIGERANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPARTMENT) WHT WIRE WHT/RED WIRE

1/2 11 12 BAT GND 6 2 3 IGN SW CAN-H CAN-L 7 27 1 32 31 KEY SW PUSH SW 94 86 CAN-H CAN-L PNK WIRE BAT (F/L) BAT (FUSE) GND (PWR) GND (SIG) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND LEFT KICK PANEL) BRN WIRE CAN-H- CAN-L- COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) EARTH ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT END OF DASH) FUSE 1 FUSE 12 FUSE 19 FUSE 22 FUSE 38 LINK, RELAY BOX (RIGHT REAR OF ENGINE COMPT) FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE FUSIBLE LINK M GRN WIRE GRN/BLK WIRE GRN/ORG WIRE HOT AT ALL TIMES HOT IN ON OR START IGN SW SECURITY IND OUT KEY SW IGNITION KNOB SWITCH INSERTED WITH- DRAWN REMOVED PUSHED INTELLIGENT KEY UNIT (BEHIND LEFT END OF DASH) KEY SWITCH KEY SWITCH, IGNITION KNOB SWITCH NATS ANTENNA AMPLIFIER (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PNK PNK WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SECURITY INDICATOR LAMP SIG GND SIGNAL STEERING LOCK UNIT (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

94 86 CAN-H CAN-L PNK WIRE BAT (F/L) BAT (FUSE) GND (PWR) GND (SIG) BLK WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (BEHIND LEFT KICK PANEL) BRN WIRE CAN-H- CAN-L- COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT END OF DASH) FUSE 1 FUSE 22 FUSE, FUSIBLE LINK, RELAY BOX (RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK M GRN WIRE GRN/BLK WIRE GRN/ORG WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE 19 HOT IN ON OR START IGN SW SECURITY IND OUT NATS ANTENNA AMPLIFIER (BEHIND LEFT SIDE OF DASH) PNK WIRE RED WIRE RED/WHT WIRE SECURITY INDICATOR LAMP WHT WIRE WHT/BLU WIRE

1 11 9 19 CAN-H CAN-L TX RX PNK PPL 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 BAT-1 BAT-2 1 2 8 CAN-H CAN-L START- RLY 1 3 6 4 IGN CAN-H CAN-L GND 12 13 DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) 21 22 29 30 BATT IGN GND (POWER) GND 3 8 9 PNK WIRE 39 40 CAN-H CAN-L PNK WIRE ABS ACTUATOR, ELECTRIC UNIT (CONTROL UNIT) (LEFT REAR OF ENGINE COMPT) ACCEL/ RESUME ASCDSW BCM (BODY CONTROL MODULE) (BEHIND LEFT KICK PANEL) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BNC-SW DDL-TX BNCSW BNO-SW DDL-RX PKB-SW BRAKE BOOSTER (LEFT REAR CORNER OF ENGINE COMPT) BRN WIRE CAN L CAN-H CAN-H RLS-NC CAN-H- CAN-L- COMBINATION METER COMBINATION SWITCH (SPIRAL CABLE) COMPUTER DATA LINES SYSTEM CRUISE IND (GREEN) CRUISE IND (YELLOW) DISTANCE FUSE 12 FUSE 14 FUSE 19 FUSE 20 FUSE 35 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK BLOCK (RIGHT REAR OF ENGINE COMPT) GND 1 GND 2 GND A GND-3 STP-LMP GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START ICC BRAKE HOLD RELAY (IN RELAY BOX) ICC SENSOR (LOWER FRONT OF ENGINE COMPT) ICC STEERING SWITCH ICC UNIT (RIGHT END OF DASH) IGN 1 IGN 2 LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MAIN ORG/ WIRE PNK CAN-L RLS-PWR NEUT-SW PSEN-PWR WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PSEN-GND PSEN-SIG RED WIRE RED/WHT WIRE RLS-NO SET IND SET/ COAST SOL + STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) TCM A/T ASSEMBLY (LOWER REAR CENTER OF ENGINE COMPT) UNIFIED METER CONTROL UNIT UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) VDC/TCS/ABS CONTROL UNIT VOUT VPWR WHT WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/T ASSEMBLY ASCDSW AT-P AVCC BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BRAKE NEUT BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM ENGINE CONTROL MODULE (RIGHT END OF DASH) EVAP CANISTER VENT CONTROL VALVE (UNDER RIGHT REAR OF LUGGAGE COMPT) FPR FUEL LEVEL SENSOR UNIT, FUEL PUMP (IN FUEL TANK) FUSE 20 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) GND 02 IGN 6 IGN 4 IGN 2 GND A AVCC GND GND CDCV GRD GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IGN 5 IGN 3 IGN 1 INJ 8 IVC PUS (L) TW LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MOTRLY NCA WIRE ORG/ WIRE PDPRES PNK IGN 8 WIRE PNK WIRE PNK/BLU WIRE POWER STEERING PRESSURE SENSOR (LOWER RIGHT CENTER OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) PPL PNK KLINE CAN L WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SSOFF STARTING/ CHARGING SYSTEM STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STRT RLY TF BNCSW IGN SW TRANSMISSION CONTROL MODULE UNIFIED METER, A/C AMP (BEHIND CENTER CONSOLE) VB VB BATT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE