Acura MDX II (2006-2010) climate control unit Wiring diagrams

+B SI 2 1 3 5 7 M-HOT M-COOL AMD-PD S-COM A/C BUS RX A/C BUS TX REAR BLOWER FEEDBACK REAR POWER TRANSISTOR CTRL A/C PRESSURE SENSOR HUMIDITY SENS OUTSIDE AIR TEMP SENS SUNLIGHT SENS B-CAN IN-CAR TEMP SENS BLK WIRE BLU WIRE BRN WIRE BUS RX BUS TX CLIMATE CONTROL UNIT CLK SO ILLUM (+) FRONT EVAPORATOR TEMP SENS COMPUTER DATA LINES SYSTEM FRONT BLOWER POWER TRANSISTOR (UNDER MIDDLE OF DASH) FRONT MODE CONTROL MOTOR (UNDER MIDDLE OF DASH) FUSE 30 FUSE 32 FUSE 7 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER-DASH FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) HOT IN ACC OR ON HOT IN ON HVAC BUS ILL J/C LT BLU WIRE LT GRN WIRE M-DEF M-HEAT M-VENT MAIN UNDER- HOOD FUSE BOX MODE 1 MODE 2 MODE 3 MODE 4 MULTI FUSE 2 NAVIGATION SYSTEM NAVIGATION SYSTEM INTERIOR LIGHTS ORG/ WIRE PASSENGER'S AIR MIX CONTROL MOTOR (UNDER MIDDLE OF DASH) PNK 18 19 WIRE PNK PPL WIRE PNK WIRE PPL PPL PNK 3 2 1 5 7 AMD-PD M-HOT M-COOL S-COM WIRE PPL PNK WIRE REAR BLOWER MOTOR (UNDER CENTER CONSOLE) REAR BLOWER POWER TRANSISTOR (UNDER CENTER CONSOLE) REAR CLIMATE CONTROL PANEL REAR MODE CONTROL MOTOR (UNDER CENTER CONSOLE) RED WIRE RR BLOWER FUSE S-COM SOUND SYSTEMS SYSTEM WHT WIRE YEL WIRE

+B SYSTEM ACC NET BUS SHLD AM/FM ANTENNA AM/FM ANTENNA LEAD CONNECTOR AMPILIFIER AUDIO R- AUDIO L- AUDIO UNIT AUXILIARY JACK ASSEMBLY B-CAN B-CAN HVAC BLK WIRE BLU WIRE BRN WIRE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM DET DOOR SPEAKER FRONT PASSENGER'S FUSE 32 FUSE 5 FUSE 8 GANET-BUS (+) GANET-BUS (-) GRN WIRE GRY (OR BRN) WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC K LINE L CH- LT BLU WIRE LT GRN WIRE MAIN UNDER-HOOD FUSE BOX (LEFT FRONT OF ENGINE COMPT) MICU NAVIGATION SYSTEM NCA WIRE NET BUS (+) NET BUS (-) GND PPL R CH L CH DET R CH- RED WIRE RIGHT TWEETER SHLD SIG GND SIG GND SHLD SYSTEM ACC GANET-BUS SHLD AUDIO SHLD AUDIO R (+) AUDIO L (+) UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) WHT WIRE XM ANTENNA XM RECEIVER (RIGHT SIDE OF CARGO AREA)

ACTIVE DAMPER SYSTEM B-CAN BRN WIRE CLIMATE CONTROL UNIT CONTROL UNIT (USA: SPORT/ ENTERTAINMENT PACKAGE& CANADA: ELITE PACKAGE) DRIVER'S POWER SEAT CONTROL UNIT (UNDER DRIVER'S SEAT) ENABLE IN F-CAN HI F-CAN LO GRY WIRE HANDSFREELINK CONTROL UNIT (UNDER REAR OF CENTER CONSOLE) IMMOBILIZER CONTROL UNIT- RECEIVER K LINE LT BLU WIRE LT GRN WIRE MOONROOF CONTROL UNIT (CENTER FRONT OF ROOF) PASSENGER'S MPCS UNIT (IN FRONT PASSENGER'S DOOR) REAR MICU FUSE/RELAY BOX (LEFT SIDE OF CARGO AREA) RED WIRE SH-AWD CONTROL UNIT (LEFT SIDE OF CARGO AREA) UART VSA MODULATOR CONTROL UNIT (LEFT SIDE OF ENGINE COMPT) WHT WIRE

B-CAN BLK WIRE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM URT DRIVER'S MPCS UNIT (IN DRIVER'S DOOR) FUSE 30 FUSE 7 GRN WIRE GRY WIRE HEATED MIRROR HEATED MIRROR RIGHT POWER MIRROR HOT AT ALL TIMES HOT IN ON LEFT POWER MIRROR LEFT POWER MIRROR DEFOGGER LT GRN WIRE MICU PASSENGER'S MPCS UNIT (IN FRONT PASSENGER'S DOOR) RIGHT POWER MIRROR DEFOGGER UART UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) VBU WHT WIRE YEL WIRE

B-CAN BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRIGHTENING SWITCH BRN WIRE CABLE REEL (BEHIND STEERING COLUMN COVER) CENTER INFORMATION DISPLAY (BASE) CLIMATE CONTROL UNIT COMBINATION LIGHT SWITCH COMBINATION SWITCH CONTROL UNIT COMPUTER DATA LINES SYSTEM CONTROL BLOCK CRUISE CONTROL COMBINATION SWITCH DASH LIGHTS BRIGHTNESS CONTROLLER DIMMING SWITCH FUSE FUSE 21 FUSE 7 GAUGE CONTROL MODULE GLOVE BOX LIGHT GRN WIRE H/L BACK UP HEAD HEADLIGHT NAVIGATION WASHER UNIT SWITCH (ON FLOOR, (CANADA) UNDER DRIVER'S SEAT) HEADLIGHT SWITCH HFL SWITCH (BASE) HFL-VOICE CONTROL SWITCH (TECH, SPORT) HOT AT ALL TIMES HOT IN ON OR START ILL LT BLU WIRE LT GRN WIRE MICU NAVIGATION DISPLAY UNIT OFF ORG/ WIRE PARK PNK WIRE POWER MIRROR FRONT SWITCH PASSENGER'S AMBIENT LIGHT POWER SUPPLY CIRCUIT/ CONTROLLER AREA NETWORK CONTROLLER REAR CONTROLLER, SCREEN RED WIRE RED/BLK WIRE SELECT/RESET AUDIO REMOTE SWITCH INFORMATION SWITCH STEERING WHEEL) UNDER-DASH FUSE/RELAY BOX (BEHIND UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WIPER/ WASHER SWITCH YEL WIRE

1 2 3 4 JOG JOG SHLD GND 9 8 10 PNK MICROPHONE WIRE AC-CK AC-SO AC-SI AUDIO UNIT B-CAN BLK WIRE BLU WIRE BRN WIRE BUS (+) BUS (-) SHLD LINE OUT (-) LINE OUT (+) LINE OUT SHLD SW GND BUS SHLD CANADA: ELITE, TECHNOLOGY PACKAGE CANADA: TECHNOLOGY, ELITE PACKAGE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM GA-NET GA-NET BUS SHLD GA-NET BUS- GRN (OR RED) WIRE GRN WIRE GRY (OR BRN) WIRE GRY WIRE HANDSFREELINK CONTROL UNIT (UNDER REAR OF CENTER CONSOLE) HFT COM 1 HFT COM 2 HFT COM 3 HFT COM 4 HFT COM SHLD ILLUM INTERFACE DIAL LINE OUT + LINE OUT SHLD LT BLU WIRE LT GRN WIRE MIC IN - MIC IN SHLD MIC OUT + MIC SHLD NAVIGATION DISPLAY UNIT NV SHLD NVRX (-) NVTX (+) PNK WIRE PPL PPL PPL REAR CONTROLLER, SCREEN RED WIRE ROOF CONSOLE STR SW UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) USA: EXCEPT BASE WHT (OR BLK) WIRE WHT WIRE XM RECEIVER (CANADA: ELITE, TECHNOLOGY PACKAGE) (RIGHT SIDE OF CARGO AREA) YEL WIRE

3 PNK WIRE 6 PNK WIRE ACC CUT RELAY ACC+ TO ACCESSORY POWER SOCKET RELAY MICU (DIAGRAM 6 OF 6) AUDIO IGNITION NAVIGATION UNIT KEY SWITCH/ DISPLAY UNIT KEY LIGHT (EXCEPT BASE) AUXILIARY UNDER-DASH FUSE HOLDER 1 CLIMATE CONTROL UNIT FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 3 OF 6) FRONT A/C BLOWER COMPRESSOR CLUTCH MOTOR RELAY RELAY FUSE 23 (NOT FRONT SEAT FUSE 30 FUSE 32 GRN WIRE HANDSFREE CLIMATE CONTROL LINK CONTROL UNIT UNIT IG 2 IGNITION SWITCH INTERFACE DIAL (EXCEPT BASE) J/C LOCK LOCK ON LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE PCM PNK PNK WIRE PNK WIRE PPL PPL 2 PPL 4 PPL 4 PPL PPL 2 PPL PPL PPL PPL 16 REAR CLIMATE CONTROL PANEL REAR FUSE REAR REAR MODE BLOWER CONTROL MOTOR MOTOR RELAY RED WIRE RELAY RELAY BOX (LEFT SIDE OF CARGO AREA) REAR WINDOW DEFOGGER RELAY STARTER CUT RELAY 1 STARTER CUT RELAY 2 TO AC INVERTER UNIT (DIAGRAM 1 OF 6) TO UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 5 OF 6) TRAILER CHARGE RELAY (ACCESSORY INSTALLED) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) PPL 4 PPL USED) HEATER RELAY WHT WIRE YEL WIRE

14 13 12 19 PNK WIRE AM/FM ANTENNA AM/FM ANTENNA AMPLIFIER AM/FM ANTENNA LEAD CONNECTOR AUDIO UNIT AUXILIARY JACK ASSEMBLY B-CAN BLK WIRE BLU WIRE BRN WIRE CIRCUIT CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM DET ELITE FUSE 32 FUSE 5 GRN WIRE GRY WIRE HANDSFREELINK CONTROL UNIT (UNDER REAR OF CENTER CONSOLE) HOT AT ALL TIMES HOT IN ACC OR ON HVAC BUS INTERIOR LIGHTS SYSTEM 2 9 8 10 L CH- LT BLU (OR WHT) WIRE LT BLU WIRE LT GRN WIRE NAVIGATION DISPLAY UNIT NAVIGATION SYSTEM NAVIGATION UNIT (ON FLOOR, UNDER DRIVER'S SEAT) NCA WIRE PNK MICRO- PHONE WIRE PNK WIRE PPL R CH- REAR SEAT ENTERTAINMENT RED WIRE ROOF CONSOLE SHLD SIG GND TECHNOLOGY UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) WHT WIRE XM ANTENNA XM RECEIVER (RIGHT SIDE OF CARGO AREA)

B-CAN BLK WIRE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 30 GRN WIRE HOT AT ALL TIMES HOT IN ON LT GRN WIRE MICU REAR DEFOGGER REAR DEFOGGER NOISE CONDENSER REAR FUSE/RELAY BOX (LEFT SIDE OF CARGO AREA) REAR WINDOW DEFOGGER RELAY RED WIRE RR DEF UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) YEL WIRE