Infiniti Q45 III (2001-2006) data link connector (under left side of dash) Wiring diagrams

3 1 1 3 PNK PNK WIRE ABS W/L VDC OFF LAMP GND YRSU VR LIS VDC OFF SW TXD BLS FL USV FR USV ASCD CONTROL UNIT (BEHIND DASH, LEFT OF STEERING COLUMN) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) FUSE 17 FUSE 6 FUSE 7 FUSE 9 FUSE BLOCK (J/B) 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 JOINT CONNECTOR 11 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 12 (BEHIND TOP CENTER OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 4 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 7 (BEHIND CENTER OF DASH) JOINT CONNECTOR 8 (BEHIND CENTER OF DASH) JOINT CONNECTOR 9 (BEHIND CENTER OF DASH) LEFT FRONT WHEEL SENSOR (AT LEFT FRONT HUB ASSEMBLY) LEFT REAR WHEEL SENSOR (AT LEFT REAR OF LUGGAGE COMPT) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLU WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PPL PPL/WHT WIRE PRESSURE SENSOR RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SENSOR (AT RIGHT FRONT HUB ASSEMBLY) RIGHT REAR WHEEL SENSOR (AT LEFT REAR OF LUGGAGE COMPT) RL MV-AV FR MV-EV GND 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/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

ASCD ASCD BRAKE SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) ASCD CONTROL UNIT (BEHIND DASH, LEFT OF STEERING COLUMN) ASCD PUMP (AT RIGHT REAR CORNER OF ENGINE COMPT) AIR VALVE ASCD STEERING WHEEL SWITCH BLK WIRE BLK/WHT WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CANCEL SWITCH COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DUAL MODE MUFFLER CONTROL UNIT (AT RIGHT SIDE OF TRUNK) ENGINE CONTROL MODULE (BEHIND GLOVE BOX) ETC PRUN FUSE 12 FUSE 17 FUSE 9 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) FUSE, FUSIBLE LINK, RELAY BLOCK (J/B) (IN ENGINE ROOM BOX) GND SET LAMP OUTPUT GRN WIRE GRN/ORG WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START JOINT CONNECTOR 12 (BEHIND TOP CENTER OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 16 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 18 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 4 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 5 (BEHIND LEFT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 7 (BEHIND CENTER OF DASH) JOINT CONNECTOR 8 (BEHIND CENTER OF DASH) LT BLU WIRE LT GRN/BLK WIRE MAIN SWITCH ORG/ WIRE PARK/NEUTRAL POSITION RELAY PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RESUME/ ACCEL SW RXI TXI VEHICLE SPEED INPUT BRAKE SW INPUT CONTROL SW INPUT (GND) PNK WIRE SET IND SET/ COAST SWITCH SPIRAL CABLE (COMBINATION SWITCH) START RLY STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TRANSMISSION CONTROL MODULE (BEHIND GLOVE BOX) UNIFIED METER CONTROL UNIT VACUUM MOTOR RELEASE VALVE VDC/TCS/ABS CONTROL UNIT (BEHIND RIGHT KICK PANEL) WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

1 2 3 4 5 6 IGN SW 1 3 PNK WIRE 12 13 PNK WIRE 33 32 31 AV-ME MEAV SHIELD PPL 7 8 9 10 11 12 13 14 BAT AUTO OFF AV CONTROL UNIT (BEHIND CENTER OF DASH) AV-ME BLK WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE (BEHIND LEFT KICK PANEL) BRN/YEL WIRE COMBINATION SWITCH (LIGHTING SWITCH) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DOOR SW (DR) DRIVER SIDE FRONT DOOR SWITCH FUSE 1 FUSE 21 FUSE 3 FUSE 32 FUSE 6 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) FUSE BLOCK (J/B) 2 (BEHIND RIGHT KICK PANEL) GRN/RED WIRE HEADLAMP BATTERY SAVER CONTROL UNIT HI PASS HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN KEY SW BAT GND JOINT CONNECTOR 11 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 16 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 18 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 20 JOINT CONNECTOR 3 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 7 (BEHIND CENTER OF DASH) JOINT CONNECTOR 8 JOINT CONNECTOR 8 (BEHIND CENTER OF DASH) JOINT CONNECTOR 9 JOINT CONNECTOR 9 (BEHIND CENTER OF DASH) KEY SWITCH, KEY LOCK SOLENOID (KEY SWITCH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEAV NCA WIRE OPTICAL SENSOR (ON TOP RIGHT SIDE OF DASH) PNK PPL WIRE PNK WIRE PPL PPL/WHT WIRE RAP INPUT RAP OUTPUT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SHIELD T/L RLY OUT 1 W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

1 2 3 4 5 6 IGN SW 12 13 PNK WIRE 3 2 1 GND OUT POWER 33 32 31 AV-ME MEAV SHIELD PPL 7 8 9 10 11 12 13 14 BAT AUTO OFF AV CONTROL UNIT (BEHIND CENTER OF DASH) AV-ME BLK WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY CONTROL MODULE (BEHIND LEFT KICK PANEL) BRN/YEL WIRE COMBINATION SWITCH (LIGHTING SWITCH) DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DOOR SW (DR) DRIVER SIDE FRONT DOOR SWITCH FUSE 1 FUSE 21 FUSE 3 FUSE 32 FUSE 6 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) FUSE BLOCK (J/B) 2 (BEHIND RIGHT KICK PANEL) GRN/RED WIRE HEADLAMP BATTERY SAVER CONTROL UNIT (BEHIND DASH, LEFT OF STEERING COLUMN) HI PASS HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN KEY SW BAT GND JOINT CONNECTOR 11 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 16 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 18 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 20 (BEHIND RIGHT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 3 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 7 (BEHIND CENTER OF DASH) JOINT CONNECTOR 8 (BEHIND CENTER OF DASH) JOINT CONNECTOR 9 (BEHIND CENTER OF DASH) KEY SWITCH, KEY LOCK SOLENOID (KEY SWITCH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEAV NCA WIRE OPTICAL SENSOR (ON TOP RIGHT SIDE OF DASH) PNK 6 7 WIRE PNK PPL WIRE PNK WIRE PPL PPL/WHT WIRE RAP INPUT RAP OUTPUT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE SHIELD T/L RLY OUT 1 W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

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 3 2 1 PPL VPWR VOUT GND 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 SIG/SW 2 89 113 171 174 GND-A AIR VALVE ASCD PUMP VACUUM MOTOR RELEASE VALVE (AT RIGHT REAR CORNER OF ENGINE COMPT) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED 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 OF ENGINE COMPT) BRN/WHT WIRE BRN/YEL WIRE CANCEL SWITCH COAST/ SET SWITCH COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN-L CAN-H CRUISE GND-S TVO SAFETY VENT VACUUM MTR DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISTANCE SWITCH DUAL MODE MUFFLER CONTROL UNIT (AT RIGHT SIDE OF TRUNK) ACCEL/ RESUME SW ENGINE CONTROL MODULE (ECM) (BEHIND GLOVE BOX) ENGINE CONTROLS SYSTEM FRONT WIPER MOTOR (ON LEFT SIDE OF FIREWALL) FUSE 1 FUSE 17 FUSE 34 FUSE 9 FUSE BLOCK (J/B) 1 (BEHIND LEFT END OF DASH) FUSE BLOCK (J/B) 2 (BEHIND RIGHT KICK PANEL) FUSE, FUSIBLE LINK, RELAY BOX (IN ENGINE ROOM BOX) FUSE 77 GND-1 GND-2 BUZZ RLS-NO GND-3 STP-LMP GRN WIRE GRN/ORG WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START ICC STEERING SWITCH ICC UNIT (AT RIGHT SIDE OF TRUNK) IGN 1 IGN 2 INSTRUMENT CLUSTER SYSTEM JOINT CONNECTOR 12 (BEHIND TOP CENTER OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 3 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 30 (BEHIND RIGHT KICK PANEL, TAPED TO HARNESS) JOINT CONNECTOR 4 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 8 (BEHIND CENTER OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ON/OFF SWITCH COMBINATION SWITCH (SPIRAL CABLE) ORG/ WIRE ORG/GRN WIRE PNK 3 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PPL PSEN-PWR PPL/WHT WIRE PSEN-GND PSEN-SIG RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE SOL + SOL- WIP-L CAN-H RLS-NC T-RLY GND/SW 1 OD CANCEL WHT WIRE WHT/GRN WIRE WHT/RED WIRE WIP-H CAN-L RLS-PWR WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 IGN SW 7 8 9 10 11 12 13 14 BAT AUTO BACKUP LAMP RELAY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (BEHIND LEFT KICK PANEL) BRN/WHT WIRE BRN/YEL WIRE COMB SW COMBINATION METER COMBINATION SWITCH (LIGHTING SWITCH) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) ENGINE CONTROL MODULE (ECM) (BEHIND GLOVE BOX) FUSE, FUSIBLE LINK, RELAY BLOCK (J/B) (IN ENGINE ROOM BOX) GRN WIRE GRY/RED WIRE HEADLAMP BATTERY SAVER CONTROL UINT (BEHIND DASH, LEFT OF STEERING COLUMN) IIURX IIUTX ILL (-) OUT JOINT CONNECTOR 11 (BEHIND UPPER RIGHT SIDE OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 16 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 17 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 18 (BEHIND UPPER RIGHT END OF DASH, TAPED TO HARNESS) JOINT CONNECTOR 3 (BEHIND UPPER LEFT SIDE OF DASH) JOINT CONNECTOR 8 (BEHIND CENTER OF DASH) JOINT CONNECTOR 9 (BEHIND CENTER OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE NEUT OFF ORG/BLU WIRE PARKING BRAKE SWITCH (BEHIND DASH, AT PARK BRAKE ASSEMBLY) PNK WIRE PNK/BLK WIRE PPL RAP INPUT RAP OUTPUT RED WIRE RED/BLK WIRE RED/BLU WIRE REV LAMP RLY START RLY STARTING/ CHARGING SYSTEM TAIL/L RLY TRANSMISSION CONTROL MODULE (TCM) (BEHIND GLOVE BOX) UNIFIED METER CONTROL UNIT WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE