Infiniti M45 III (2005-2008) unified meter control unit Wiring diagrams

ABS IND. BLK WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE IND BRN WIRE COMBINATION METER FUSE 14 FUSE 20 FUSE 21 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) HOT AT ALL TIMES HOT IN ON OR START PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PNK WIRE PNK/BLU WIRE RED WIRE RED/YEL WIRE RESISTOR (LEFT REAR OF ENGINE COMPT) SLIP IND STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) UNIFIED METER CONTROL UNIT VDC OFF IND VDC OFF SWITCH ILL VIO WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE

1 2 3 4 9 10 11 12 14 BAT PPL AMBIENT SENSOR (LEFT FRONT CENTER OF ENGINE COMPT) BLK WIRE BLK/PNK WIRE BLK/RED WIRE BLOWER MOTOR (LOWER RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION METER COMP ECV COMPRESSOR (LOWER LEFT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM ECV (+) FAN PWM OUT FUSE 10 FUSE 11 FUSE 12 FUSE 6 FUSE BLOCK (J/B) FUSE 19 (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK RELAY BOX FUSE 37 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN BATT GND CAN-H ILL ILL CONT BUS(H) BUS(L) BUS(H) BUS(L) GND IN-VEHICLE SENSOR (LEFT SIDE OF DASH) INTAKE DOOR MOTOR (UNDER RIGHT SIDE OF DASH) INTAKE SENS GND INCAR SENS GND AMB SENS GND SUN SENS GND PNK WIRE INTAKE SENS INCAR SENS AMB SENS SUN SENS INTAKE SENSOR (BEHIND CENTER OF DASH) LAN SIG VACTR GND(PWR) CAN-L LT GRN WIRE LT GRN/RED WIRE MAGNET CLUTCH MANUAL MODE SW AUTO MODE SW TRANSMISSIONS SYSTEM MODE DOOR MOTOR (PASSENGER SIDE) (UNDER RIGHT SIDE OF DASH) MULTIFUNCTION SWITCH ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PPL/RED WIRE RED WIRE RED/YEL WIRE RIGHT END OF DASH) RX (COMB METER) SIDE OF DASH) SUNLOAD SENSOR TRANSMISSIONS AT-P RANGE SYSTEM TRANSMISSIONS ECM SYSTEM TRANSMISSIONS SYSTEM SHIFT DOWN SW TRANSMISSIONS SYSTEM SHIFT UP SW TX (COMB METER) UNIFIED METER CONTROL UNIT UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) UPPER VENTILATOR DOOR MOTOR (LEFT WHT WIRE WHT/GRN WIRE WHT/PPL WIRE WHT/RED WIRE YEL WIRE

1 2 8 BAT KEY SW SIG GND 19 37 38 KEY SW SIG CAN-L CAN-H PNK WIRE 52 55 42 GND BAT (F/L) BAT (FUSE) 54 53 56 72 55 71 BAT IGN CAN-H CAN-L GND GND (POWER) 7 27 9 TX (COMB METER) RX (COMB METER) BUCKLE SW AIR BAG DIAGNOSIS SENSOR UNIT BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/YEL WIRE BUZZER COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DOOR IND DOOR SW (DR) DRIVER SIDE FRONT DOOR SWITCH (LEFT "B" PILLAR) DRIVER SIDE FRONT SEAT FUSE 1 FUSE 12 FUSE 14 FUSE 19 FUSE 21 FUSE 22 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK, RELAY BOX (RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK F GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IND INTELLIGENT KEY UNIT (LEFT KICK PANEL) KEY SLOT LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLU WIRE PNK WIRE PRE-CRASH SEAT BELT CONTROL UNIT (IF EQUIPPED) RED WIRE RED/GRN WIRE RIGHT END OF DASH) SEAT BELT SEAT BELT BUCKLE SWITCH SEAT BELT IND UNIFIED METER CONTROL UNIT UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

ACCEL/ RESUME SWITCH ASCD BRAKE SWITCH (ON BRAKE PEDAL BRACKET) ASCD STEERING SWITCH AVCC 2 MOTOR 1 BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CANCEL SWITCH OFF CLOSE COAST/ SET SWITCH COMBINATION METER COMBINATION SWITCH (SPIRAL CABLE) COMPUTER DATA LINES SYSTEM CRUISE IND (GREEN) ECM RELAY ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM PNK COMPUTER DATA LINES SYSTEM CAN-L WIRE FUSE 1 FUSE 12 FUSE 14 FUSE 20 FUSE 21 FUSE 77 FUSE 87 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START LT BLU WIRE MAIN SWITCH OFF MOTOR 2 NCA WIRE ORG/ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RIGHT END OF DASH) SENSOR 1 SENSOR 2 SET IND STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR TPS 2 TPS 1 UNIFIED METER CONTROL UNIT VB VB AVCC 2 VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

37 11 40 39 38 36 35 34 33 32 6 5 4 3 2 29 KEY SW SIG 52 55 42 45 46 GND BAT (F/L) BAT (FUSE) FLASHER OUT (LEFT) FLASHER OUT (RIGHT) 54 53 72 56 55 71 BAT IGN CAN-L CAN-H GND GND (PWR) 6 3 4 14 HAZARD ON ILL ILL CONT GND 7 27 TX (COMBI METER) RX (COMBI METER) BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BRN WIRE BUZZER COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DOOR SW (DR) DRIVER SIDE FRONT DOOR SWITCH (LEFT "B" PILLAR) FUSE FUSE 14 FUSE 22 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK, RELAY BOX (RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK F GRN WIRE GRN/RED WIRE GRY WIRE HAZARD HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START LEFT TURN IND LOW TIRE PRESSURE WARNING CONTROL UNIT (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTIFUNCTION SWITCH ORG/ WIRE ORG/BLU WIRE PNK WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT TURN IND UNIFIED METER CONTROL UNIT UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) VIO WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

+B +B F/WIP RLY F/WIP HI RLY +IG 52 55 42 GND BAT (F/L) BAT (FUSE) PNK WIRE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE CAN-H CAN-L GND (SIGNAL) COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM PNK WIRE FRONT WASHER MOTOR (RIGHT FRONT OF ENGINE COMPT) FRONT WIPER (LOW) RELAY FRONT WIPER HIGH RELAY FRONT WIPER MOTOR (LEFT SIDE OF FIREWALL) FRONT WIPER REVERSE RELAY (IN RELAY BOX 1) FUSE 1 FUSE 12 FUSE 14 FUSE 21 FUSE 71 FUSE 73 FUSE 78 FUSE 84 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK FUSIBLE LINK F, RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) GND POWER GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION RELAY INPUT 1 INPUT 2 INPUT 3 INPUT 4 INPUT 5 LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLU WIRE OUTPUT 1 OUTPUT 2 OUTPUT 3 OUTPUT 4 OUTPUT 5 PNK WIRE RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT END OF DASH) UNIFIED METER CONTROL UNIT VIO WIRE WASHER IND WASHER LEVEL SENSOR (LOWER RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/VIO WIRE WIPER AUTO STOP WIPER REVERSE RLY YEL WIRE

1 12 20 37 38 40 B+ RING/SW GND CAN-L CAN-H GND 38 11 39 40 IGN 41 56 57 72 B+ GND B+ GND 54 53 41 55 71 56 72 BATT IGN 55 42 52 BAT BAT GND PNK WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE CAN-H- CAN-L- COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM COMPUTER PNK DATA LINES SYSTEM WIRE DASH) DIODE (BEHIND CENTER OF FUSE 1 FUSE 12 FUSE 14 FUSE 19 FUSE 21 FUSE 22 FUSE 6 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE FUSIBLE LINK F LINK BOX (RIGHT REAR OF ENGINE COMPT) GND GND CAN-H CAN-L GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START INTELLIGENT KEY UNIT LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE METER ILLUM CONTROL SWITCH METER ILLUMI- NATION ORG/BLU WIRE PNK WIRE PUSH-BOTTON IGNITION SWITCH (ILLUMINATION) PUSHED RELEASED RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT END OF DASH) UNIFIED METER CONTROL UNIT UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER CONSOLE) VIO WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

1 2 3 8 CAN-H CAN-L PNK WIRE 1 2 RH MOTOR (RE) +B A/T ASSEMBLY BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE PEDAL STROKE SENSOR (UNDER LEFT SIDE OF DASH) BRN WIRE CAN-H SHIELD GND GND (CONT) COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE FRONT SEAT FUSE 14 FUSE 15 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE, FUSIBLE LINK BLOCK FUSIBLE LINK G GND CAN- PNK WIRE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IGN LEFT PRE-CRASH SEAT BELT MOTOR (LEFT "B" PILLAR) LH BUCKLE SW LT BLU WIRE LT GRN WIRE NCA WIRE PASSENGER SIDE FRONT SEAT PRE-CRASH SEAT BELT CONTROL UNIT (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RIGHT PRE-CRASH SEAT BELT MOTOR (RIGHT "B" PILLAR) SEAT BELT BUCKLE SWITCH SEAT BELT IND SENS POWER TRANSMISSION CONTROL MODULE UN- FASTENED FAST- ENED UNIFIED METER CONTROL UNIT VCC WHT WIRE WHT/GRN WIRE YEL WIRE

29 45 46 HZD SW L HZD R HZD BLK WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BODY CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/RED WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM FUSE 12 FUSE 14 FUSE BLOCK (J/B) (BEHIND LEFT KICK PANEL) FUSE 21 GRD GRD FL GRD FR GRD RL GRD RR RSSI RSSI RSSI RSSI GRN WIRE GRN/RED WIRE GRY WIRE HAZARD HOT AT ALL TIMES HOT IN ON OR START IGN LEFT FRONT TIRE PRESSURE RECEIVER (IN LEFT FRONT WHEELWELL) LEFT REAR TIRE PRESSURE RECEIVER (IN LEFT REAR WHEELWELL) LOW TIRE PRESSURE WARNING CONTROL UNIT (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK CAN-L WIRE PNK EXTERIOR LIGHTS SYSTEM WIRE PNK WIRE RED WIRE RED/WHT WIRE RIGHT FRONT TIRE PRESSURE RECEIVER (IN RIGHT FRONT WHEELWELL) RIGHT REAR TIRE PRESSURE RECEIVER (IN RIGHT REAR WHEELWELL) RSSI SIG TIRE PRESSURE IND TIRE PRESSURE WARNING CHECK CONNECTOR (UNDER LEFT SIDE OF DASH) TRG SW MODE UNIFIED METER CONTROL UNIT VCC FL VCC FR VCC RL VCC RR DATA FL DATA FR DATA RL DATA RR CAN H CAN L GROUND VIO WIRE VIO/RED WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE