Acura MDX I (2000-2006) main circuit Wiring diagrams

26 LT BEHIND LOWER COVER) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CAN L COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) FUSE 1 FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IG 1 ILLUM INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR LCOH LCOL RCOH RCOL PG LEFT SIDE CLUTCH ELECTROMAGNETIC COIL LET LT BLU WIRE LT GRN WIRE MAIN CIRCUIT ON IND. ORG/ WIRE ORG/GRN WIRE PARKING BRAKE SWITCH (UNDER PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PCM (ON RIGHT SIDE OF ENGINE COMPT) DIFFERENTIAL OIL TEMPERATURE SENSOR PWR RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT SIDE CLUTCH ELECTROMAGNETIC COIL RRP FSR RLP PARBRK FRP LOCK SW FLP LG 1 CAN H NEP TCL WARN 1 TCH LOCK H SCS UNDER- HOOD SUB-FUSE BOX (LEFT SIDE OF ENGINE COMPT) VTM-4 CONTROL UNIT (AT RIGHT SIDE OF CARGO AREA, BEHIND REAR SIDE TRIM PANEL) VTM-4 IND VTM-4 LOCK SWITCH VTM-4 RELAY (AT RIGHT SIDE OF CARGO AREA, BEHIND TRIM PANEL) WARN 2 LG 2 WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 3 4 15 16 17 18 19 20 21 22 23 24 26 29 30 31 32 34 39 40 43 44 45 54 ILLU 2 POSITION CANCEL CIRCUIT A/T GEAR POSITION/ CRUISE CONTROL DIMMING CIRCUIT A/T SHIFT SWITCH (BEHIND CENTER CONSOLE PANEL) A/T TEMPE- RATURE IND APP SENSOR (AT RIGHT REAR SIDE OF ENGINE COMPT) ATFIND CAN L CAN H K-LINE ATP N ATP P ATP R ATP F VSSOUT BACK-UP LIGHTS BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH (AT TOP OF BRAKE PEDAL ARM) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH, BEHIND LOWER COVER) DRIVER'S UNDERDASH FUSE/ RELAY BOX (BEHIND LEFT END OF DASH) FUSE 9 ENGINE CONTROLS SYSTEM GAUGE ASSEMBLY GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM LED DRIVER LHSW WEN BKSW LT BLU WIRE MAIN CIRCUIT PCM (ON RIGHT SIDE OF ENGINE COMPT) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE REGULATOR SCS SENS 2 SENS 1 SHIFT INTERLOCK SYSTEM STARTING/ CHARGING SYSTEM SWITCH TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-HOOD FUSE/ RELAY BOX (AT RIGHT SIDE OF ENGINE COMPT) FUSE 47 WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

ALTERNATOR BEEPER BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE COMBINATION LIGHT SWITCH DRIVE CIRCUIT DRIVER'S DOOR INDICATOR DRIVER'S DOOR SWITCH DRIVER'S DOOR SWITCH (AT LEFT "B" PILLAR) DRIVER'S MULTIPLEX CONTROL UNIT DRIVER'S SEAT BELT SWITCH (EXCEPT DPMS: UNDER DRIVER'S SEAT) DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) FUSE 10 FUSE 13 FUSE 47 FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/ORG WIRE GROUND HEADLIGHT SWITCH 1) OFF 2) PARK 3) AUTO 4) HEAD HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT LIGHTS ON INDICATOR LIGHTS ON INPUT LOW OIL PRESSURE IND LT GRN WIRE MAIN CIRCUIT OIL PRESSURE SWITCH OIL PRESSURE SWITCH (ON FRONT OF ENGINE, AT TOP RIGHT OF OIL PUMP HOUSING) ORG/ WIRE PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) POWER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RELAY CTRL SEAT BELT REMINDER INDICATOR SEAT BELT SWITCH STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TAILLIGHT RELAY (BEHIND LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (AT RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

AUTO BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE COURTESY LAMPS CIRCUIT DOOR MULTIPLEX CONTROL UNIT DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH (AT LEFT "B" PILLAR) DRIVER'S MULTIPLEX CONTROL UNIT DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) FRONT INDIVIDUAL MAP LIGHTS FRONT PASSENGER'S DOOR SWITCH (AT RIGHT "B" PILLAR) FUSE 11 FUSE 47 FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/ORG WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INSTRUMENT ILLUMINATION CIRCUIT INTERIOR LIGHT SWITCH LEFT REAR DOOR SWITCH LT GRN/BLK WIRE MAIN CIRCUIT MAP LIGHTS MEMORY SYSTEMS OFF ON PASSENGER'S MULTIPLEX CONTROL UNIT PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK WIRE RED WIRE RED/BLK WIRE RIGHT REAR DOOR SWITCH ROOF CONSOLE TAILLIGHT RELAY (BEHIND LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (AT RIGHT SIDE OF ENGINE COMPT) WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

ANTI-THEFT SYSTEM AUTO LO BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE DRIVE CIRCUIT DRIVER'S MULTIPLEX CONTROL UNIT DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) FUSE 11 FUSE 12 FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HI OFF AUTO HOT IN ON OR START INSTRUMENT CLUSTER, AIR CONDITIONING, SEATS SYSTEMS INSTRUMENT CLUSTER, MEMORY SYSTEMS INTERMITTENT DWELL TIME CONTROLLER MAIN CIRCUIT MEMORY SYSTEMS MIST MIST OF FRONT BUMPER, ON WASHER RESERVOIR) OFF OFF LO AUTO OFF WASH PARKING BRAKE SWITCH (UNDER LEFT SIDE OF DASH) PASSENGER'S MULTIPLEX CONTROL UNIT PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK (BEHIND RIGHT END OF DASH) WIRE PNK WIRE POWER SUPPLY CIRCUIT POWERTRAIN CONTROL MODULE (ON RIGHT SIDE OF ENGINE COMPT) TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) TRANSMISSIONS SYSTEM VSS OUT ATP P WASHER FLUID LEVEL IND WHT WIRE WINDSHIELD WASHER MOTOR (BEHIND RIGHT SIDE WIPER/WASHER SWITCH YEL WIRE

A/T GEAR POSITION/ CRUISE CONTROL DIMMING CIRCUIT A/T IND CTRL ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BEEPER BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (LEFT SIDE OF ENGINE COMPT) BRAKE LIGHT FAILURE SENSOR BRN WIRE BRN/YEL WIRE COOLANT TEMPERATURE GAUGE CRUISE CONTROL INDICATOR DIAL PLATE, F/D CAR FRAME LIGHTS DOOR LOCKS SYSTEM DRIVE CIRCUIT DRIVER'S MULTIPLEX CONTROL UNIT DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) DRL CONTROL UNIT (CANADA) ENGINE CONTROLS SYSTEM FUEL GAUGE FUSE 13 GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEM HOT AT ALL TIMES IMMOBILIZER CONTROL UNIT -RECEIVER (IN STEERING COLUMN COVER) INTERIOR LIGHTS SYSTEM WARNING SYSTEM LCD BACK LIGHTS LED DRIVER LIGHTS ON IND LOW FUEL INDICATOR LT GRN WIRE LT GRN/WHT WIRE MAIN CIRCUIT MAINTENANCE REQUIRED INDICATOR MIL CTRL ECTOUT CRUISE CTRL IND ODOMETER/ TRIP DISPLAY OFF ORG/WHT WIRE PARKING BRAKE SWITCH (UNDER LEFT SIDE OF DASH) PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PCM (ON RIGHT SIDE OF ENGINE COMPT) PNK WIRE PNK/BLK WIRE POINTER POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE REGULATOR RESET OFF SEAT BELT REMINDER INDICATOR SELECT SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TO MIL INDICATOR (DIAGRAM 2 OF 2) TO SHIFT INDICATORS (DIAGRAM 2 OF 2) TO TURN SIGNAL INDICATORS (DIAGRAM 2 OF 2) TO VSA INDICATOR CIRCUIT (DIAGRAM 2 OF 2) TRANSMISSIONS SYSTEM TRIP METER SELECT/RESET SWITCH TRIP METER SELECT/RESET SWITCH LIGHT VSSOUT VTM-4 CONTROL UNIT (AT RIGHT SIDE OF CARGO AREA, BEHIND REAR SIDE TRIM PANEL) WARNING SYSTEM WASHER FLUID LEVEL INDICATOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

2 POSITION CANCEL CIRCUIT A/T TEMPERATURE INDICATOR ABS INDICATOR ABS INDICATOR CIRCUIT AUTOMATIC LIGHTING CONTROL UNIT (UNDER MIDDLE OF DASH) BLK WIRE BLU/WHT WIRE BRAKE LAMP INDICATOR BRAKE SYSTEM INDICATOR CANADA CHARGING SYSTEM INDICATOR CIRCUIT CLIMATE CONTROL UNIT (LOWER CENTER OF DASH, FORWARD OF CENTER CONSOLE) DRIVER'S DOOR INDICATOR DRIVER'S DOOR SWITCH (AT LEFT "B" PILLAR) DRIVER'S MULTIPLEX CONTROL UNIT DRIVER'S POWER SEAT CONTROL UNIT (W/ MEMORY) DRIVER'S POWER SEAT CONTROL UNIT (W/ MEMORY) (UNDER DRIVER'S SEAT) DRIVER'S UNDERDASH FUSE/RELAY BOX DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) DRL INDICATOR (CANADA) FROM A/T GEAR POSITION/ CRUISE CONTROL DIMMING CIRCUIT (DIAGRAM 1 OF 2) FROM REGULATOR (DIAGRAM 1 OF 2) FRONT PASSENGER'S DOOR INDICATOR FRONT PASSENGER'S DOOR SWITCH (AT LEFT "B" PILLAR) FUEL GAUGE SENDING UNIT FUEL TANK UNIT (MIDDLE OF FLOOR) FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/WHT WIRE HIGH BEAM INDICATOR HOT IN ON OR START IMMOBILIZER SYSTEM INDICATOR INDICATOR VSA LEFT FRONT TIRE INDICATOR LEFT REAR DOOR INDICATOR LEFT REAR DOOR SWITCH LEFT REAR TIRE INDICATOR LEFT TURN SIGNAL INDICATOR LOW OIL PRESSURE INDICATOR LOW TIRE PRESSURE INDICATOR LT GRN/BLK WIRE LT GRN/WHT WIRE MAIN CIRCUIT MIL INDICATOR MULTI INFORMATION DISPLAY UNIT MULTI- INFORMATION DISPLAY UNIT (W/O NAVIGATION) NAVIGATION UNIT (IF EQUIPPED) (UNDER RIGHT FRONT SEAT) ORG/ WIRE PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK WIRE RIGHT FRONT TIRE INDICATOR RIGHT REAR DOOR INDICATOR RIGHT REAR DOOR SWITCH RIGHT REAR TIRE INDICATOR RIGHT TURN SIGNAL INDICATOR SIDE AIR BAG CUT-OFF INDICATOR SRS INDICATOR SRS INDICATOR CIRCUIT TAILGATE INDICATOR TPMS INDICATOR TPMS RECEIVER UNIT (UNDER LEFT SIDE OF DASH) VSA ACTIVATION INDICATOR VSA SYSTEM INDICATOR VTM-4 INDICATOR WHT WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/T SHIFT SWITCH AMBIENT LIGHT AUTO BLK WIRE CIGARETTE LIGHTER CONNECTOR (OPTIONAL) CLIMATE CONTROL PANEL COMBINATION LIGHT SWITCH CRUISE CONTROL MASTER SWITCH DASH LIGHTS BRIGHTNESS CONTROLLER DPMS SWITCH (W/ MEMORY) DRIVER'S AMBIENT FOOT LIGHT DRIVER'S MULTIPLEX CONTROL UNIT DRIVER'S SEAT HEATER SWITCH DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) DVD PLAYER UNIT (W/ RES) FOG LIGHT SWITCH VSA OFF SWITCH FRONT PASSENGER'S AIR BAG CUT-OFF INDICATOR FRONT PASSENGER'S AMBIENT FOOT LIGHT FRONT PASSENGER'S SEAT HEATER SWITCH FUSE 10 FUSE 9 GAUGE ASSEMBLY GLOVE BOX LIGHT HAZARD WARNING SWITCH HEAD HEAD LIGHT SWITCH HEADLIGHTS SYSTEM HOME LINK HOT AT ALL TIMES HOT IN ON OR START INTERIOR LIGHTS SWITCH LOW TIRE PRESSURE INDICATOR LT GRN WIRE MAIN CIRCUIT MOONROOF SWITCH MULTI- INFORM- ATION DISPLAY UNIT NAVIGATION DISPLAY UNIT NAVIGATION UNIT OFF PARK ORG/ WIRE PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) REAR CONTROLLER, SCREEN (W/ REAR ENTERTAINMENT SYSTEM (DVD)) REAR HEATER-A/C CONTROL PANEL UNIT RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE REGULATOR ROOF CONSOLE TAILLIGHT RELAY (BEHIND LEFT SIDE OF DASH) TPMS RECEIVER UNIT TRIP METER SELECT/RESET SWITCH VTM-4 LOCK SWITCH AUDIO UNIT W/ NAVIGATION W/O NAVIGATION WHT WIRE YEL WIRE

BLK (OR BLU) WIRE BLK WIRE BLU (OR BRN) WIRE BLU WIRE BLU/BLK (OR BLU) WIRE BLU/BLK (OR BRN) WIRE BLU/GRN (OR BLU) WIRE BLU/GRN WIRE BLU/RED (OR BLU) WIRE BLU/RED (OR BRN) WIRE BLU/RED WIRE BLU/YEL (OR BLU) WIRE BRN (OR BLU) WIRE BRN WIRE BRN/BLK (OR BRN) WIRE BRN/YEL (OR BLU) WIRE DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) FUSE 1 FUSE 2 FUSE 9 GAUGE ASSEMBLY GNDA GNDB KL MES SCS LFS + RFS + GRN (OR BLU) WIRE GRN (OR BRN) WIRE GRN WIRE GRN/BLK (OR BLU) WIRE GRN/ORG (OR BLU) WIRE GRN/RED (OR BLU) WIRE GRN/WHT (OR BLU) WIRE GRN/YEL (OR BLU) WIRE GRY (OR BLU) WIRE GRY WIRE GRY/RED (OR BLU) WIRE HOT IN ON OR START LBSC RBSC LCSI + LCSI - LCA + LCA - RCA + RCA - RCSI RCSI LFS - RFS - VA VB DC PTT LRP- LRP+ RRP- RRP+ LT GRN (OR BRN) WIRE LT GRN WIRE LT GRN/BLK (OR BLU) WIRE LT GRN/RED (OR BLU) WIRE MAIN CIRCUIT ORG (OR BLU) WIRE ORG (OR BRN) WIRE ORG/ WIRE PNK (OR BLU) WIRE PNK WIRE PNK/BLU (OR BLU) WIRE RED (OR BLU) WIRE RED (OR BRN) WIRE RED WIRE RED/BLK (OR BLU) WIRE RED/BLK (OR BRN) WIRE RED/BLU (OR BLU) WIRE RED/BLU (OR BRN) WIRE RED/WHT (OR BLU) WIRE RED/WHT (OR BRN) WIRE RED/YEL (OR BLU) WIRE RED/YEL (OR BRN) WIRE RIGHT SIDE CURTAIN AIR BAG INFLATOR RIGHT SIDE IMPACT SENSOR (RIGHT "B" PILLAR) ROLL RATE SENSOR (UNDER MIDDLE OF DASH) SIDE AIRBAG CUT-OFF INDICATOR SRS INDICATOR SRS INDICATOR CIRCUIT WHT (OR BLU) WIRE WHT WIRE WHT/BLK (OR BRN) WIRE WHT/BLU (OR BRN) WIRE WHT/GRN (OR BRN) WIRE WHT/RED (OR BRN) WIRE YEL (OR BLU) WIRE YEL WIRE YEL/BLK (OR BLU) WIRE

2 POSITION CANCEL CIRCUIT A/T GEAR POSITION/ CRUISE CONTROL DIMMING CIRCUIT A/T TEMPERATURE INDICATOR BACK-UP LIGHTS BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE DRIVER'S MULTIPLEX CONTROL UNIT (NOT USED) DRIVER'S POWER SEAT CONTROL UNIT (W/ MEMORY) (UNDER DRIVER'S SEAT) DRIVER'S UNDERDASH FUSE/RELAY BOX (BEHIND LEFT END OF DASH) FUEL GAUGE SENDING UNIT FUEL TANK UNIT (MIDDLE OF FLOOR) GAUGE ASSEMBLY GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/YEL WIRE IMMOBILIZER CONTROL UNIT -RECEIVER (IN STEERING COLUMN COVER) INSTRUMENT CLUSTER SYSTEM INTERLOCK SYSTEM LED DRIVER LT GRN/WHT WIRE MAIN CIRCUIT MIL IND PASSENGER'S UNDERDASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK 9 10 WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/ORG WIRE REGULATOR SWITCH W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE