Honda Ridgeline I (2004-2009) pcm (right rear of engine compartment) Wiring diagrams

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY A/C DIODE ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE SWITCH AC CONDENSER FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) AUXILIARY UNDER-HOOD RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR RELAY BLOWER POWER TRANSISTOR (UNDER RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN/YEL WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ECT SENSOR 2 (AT REAR OF ENGINE) ENGINE CONTROLS SYSTEM FAN CONTROL RELAY FUSE FUSE 12 FUSE 19 FUSE 21 FUSE 23 FUSE 30 GRN WIRE GRN/RED WIRE GRN/YEL WIRE GROUND HIGH FAN CONTROL HOT AT ALL TIMES HOT IN ON LOW FAN CONTROL RELAY CONTROL LT BLU WIRE MAIN RELAY 1 PCM (RIGHT REAR OF ENGINE COMPARTMENT) RADIATOR FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) RADIATOR FAN RELAY RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY CONTROL SENSOR GROUND SENSOR INPUT UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

ATP-R BACK LT- BACKUP LIGHTS DIODE (UNDER MIDDLE OF DASH) BLK WIRE FUSE 21 GAUGE CONTROL MODULE GRN WIRE GRN/BLK WIRE HOT IN ON OR START J/C LEFT BACK-UP LIGHT LEFT TAILLIGHT ASSEMBLY MICU ORG/ WIRE PCM (RIGHT REAR OF ENGINE COMPARTMENT) RIGHT BACK-UP LIGHT RIGHT TAILLIGHT ASSEMBLY TRAILER CONNECTOR TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) WHT WIRE

12 33 15 CAN-L CAN-H DIAG-K 2 3 CAN L CAN H 2 4 CAN-L CAN-H B-CAN BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CAN L CAN-H CAN-H CAN-L K-LINE SCS WEN CAN-L CAN-H B-CAN CAN-L CAN-H K-LINE CLIMATE CONTROL UNIT COMBINATION SWITCH CONTROL UNIT WIPER/WASHER SWITCH CONTROL BLOCK DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) DIAG DOOR MULTIPLEX CONTROL UNIT FUSE 8 GAUGE CONTROL MODULE GRN WIRE GRY WIRE HEATER CONTROL UNIT- PANEL HOT AT ALL TIMES IMMOBILIZER CONTROL UNIT RECEIVER (IN STEERING COLUMN, ON IGNITION KEY CYLINDER K LINE LT BLU WIRE LT GRN WIRE MICU B-CAN MICU SERVICE CHECK CONNECTOR NAVIGATION SERVICE CHECK CONNECTOR (UNDER DRIVER'S SEAT) (IF EQUIPPED) NAVIGATION UNIT PCM (RIGHT REAR OF ENGINE COMPARTMENT) POWER WINDOW MASTER SWITCH RED WIRE RED/WHT WIRE RELAY CONTROL MODULE RT, LX SCS SCS KL SIDE OF DASH) SRS UNIT (BEHIND LOWER CENTER OF DASH) STEERING ANGLE SENSOR (IN STEERING COLUMN) TPMS RECEIVER UNIT (UNDER LEFT UNDER-DASH FUSE/RELAY BOX CHK (AT LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (AT RIGHT REAR OF ENGINE COMPARTMENT) VSA MODULATOR CONTROL UNIT (LEFT SIDE OF ENGINE COMPARTMENT) VTM-4 CONTROL UNIT (BEHIND RIGHT KICK PANEL) WHT WIRE WHT/GRN WIRE YAW RATE-LATERAL ACCELERATION SENSOR (UNDER CENTER CONSOLE) YEL WIRE

A/C CONDENSER FAN RELAY A/C DIODE ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE A/C PRESSURE SWITCH AC CONDENSER FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) AUXILIARY UNDER-HOOD RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) B-CAN BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN/YEL WIRE CAN L CAN-H CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM CONTROL BLOCK FAN CONTROL RELAY FUSE 19 FUSE 20 FUSE 23 FUSE 30 GRN WIRE GRN/RED WIRE GRN/YEL WIRE HEATER CONTROL UNIT- PANEL HIGH FAN CONTROL HOT AT ALL TIMES HOT IN ON LOW FAN CONTROL MAIN RELAY 1 MICU PCM (RIGHT REAR OF ENGINE COMPARTMENT) RADIATOR FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) RADIATOR FAN RELAY RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY CONTROL RELAY CONTROL MODULE RTX, RT, LX SENSOR GROUND SENSOR INPUT SWITCH (AT RIGHT SIDE OF ENGINE COMPARTMENT) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) WHT WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

+BATT STOP SW ELEC BRAKE GND ATP-R AUXILIARY UNDER-HOOD FUSE BOX (LEFT REAR OF ENGINE COMPARTMENT) BACK-UP LIGHTS RELAY (UNDER LEFT SIDE OF DASH) BACKUP LIGHTS DIODE (UNDER MIDDLE OF DASH) BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE ELECTRIC BRAKE SWITCH (IF EQUIPPED) FUSE 1 FUSE 21 FUSE 6 FUSE 7 FUSE 8 FUSE 9 GAUGE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START J/C MICU ORG/ WIRE PCM (RIGHT REAR OF ENGINE COMPARTMENT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE TRAILER CONNECTOR 1 (IF EQUIPPED) (BEHIND MIDDLE OF REAR BUMPER) TRAILER CONNECTOR 2 TRAILER LIGHTING CONTROL UNIT (IF EQUIPPED) TRAILER LIGHTING RELAY 1 (IF EQUIPPED) (BEHIND LEFT SIDE OF DASH) TRAILER LIGHTING RELAY 2 (IF EQUIPPED) (BEHIND LEFT SIDE OF DASH) TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+B BACK UP BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BRN WIRE BRN/YEL WIRE DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) FUEL PUMP FUSE 19 FUSE 7 GAUGE CONTROL MODULE GND GND GND GND GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT IMMOBI CODE DIAG-H H/BRAKE SW IMMOBI ALARM IMMOBILIZER INDICATOR IMMOBILIZER RECEIVER UNIT (IN STEERING COLUMN, ON IGNITION KEY CYLINDER) IMOES UNIT (2007-08 CANADA, 2008 USA) J/C KEY SW +B MICU IG KEY SW ORG/ WIRE PCM (RIGHT REAR OF ENGINE COMPARTMENT) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PWR IN IGN IN FUEL PUMP CTRL RLY CTRL LOGIC GND IMMOBI CODE IN RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE TRANSMISSIONS SYSTEM UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY A/C DIODE ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C PRESSURE SWITCH AC CONDENSER FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) AUXILIARY UNDER-HOOD RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR RELAY BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN/YEL WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM ECT SENSOR 2 (AT REAR OF ENGINE) ENGINE CONTROLS SYSTEM FAN CONTROL RELAY FUSE FUSE 12 FUSE 19 FUSE 21 FUSE 23 FUSE 30 BOX (AT LEFT KICK PANEL) GRN WIRE GRN/RED WIRE GRN/YEL WIRE GROUND HIGH FAN CONTROL HOT AT ALL TIMES HOT IN ON LOW FAN CONTROL RELAY CONTROL LT BLU WIRE MAIN RELAY 1 PCM (RIGHT REAR OF ENGINE COMPARTMENT) RADIATOR FAN MOTOR (FRONT MIDDLE OF ENGINE COMPARTMENT) RADIATOR FAN RELAY RED WIRE RED/GRN WIRE RED/YEL WIRE RELAY CONTROL SENSOR GROUND SENSOR INPUT UNDER-DASH FUSE/RELAY UNDER-HOOD FUSE/RELAY BOX (RIGHT REAR OF ENGINE COMPARTMENT) WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 B+ 1 2 3 4 5 6 7 CAMERA VCC CAMERA GND 1 2 GPS GPS SH AC-CK AC-SI AC-SO AMPLI- FIER ATP-R BACK LT- BACK SWITCH BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CABLE REEL CAM ADPT CAM GND CAM SH CAM VCC CLIMATE CONTROL UNIT ECU BUS + ECU BUS SH ECU BUS (+) B SIG C SIG GND BACK LT VSP DIAG + DIAG - GPS ANTENNA GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE NAVIGATION SERVICE CHECK CONNECTOR 1 2 NAVIGATION UNIT (UNDER DRIVER'S SEAT) PCM (RIGHT REAR OF ENGINE COMPARTMENT) PNK ECU BUS(-) ECU BUS SH STRG SW RG SH RG GND MIC SH MIC GND WIRE PNK WIRE PPL PPL ECU BUS (-) RD SW REARVIEW CAMERA (RIGHT SIDE OF TAILGATE) RED WIRE RED/BLK WIRE RED/WHT WIRE RG L + MIC SIG + ROOF CONSOLE MICROPHONE SIG GND AC-SO AC-CK STEERING WHEEL) TALK SWITCH TRANS- MISSION RANGE SWITCH (ON TRANS- MISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) MICU VID GND VIDEO GND VIDEO CAMERA SH CAMERA ADPT VIDEO+ VOICE CONTROL SWITCH VSSOUT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 B+ 1 2 3 4 5 6 7 CAMERA VCC CAMERA GND 1 2 GPS GPS SH AC-CK AC-SI AC-SO AMPLI- FIER ATP-R BACK LT- BACK SWITCH BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CABLE REEL CAM ADPT CAM GND CAM SH CAM VCC CLIMATE CONTROL UNIT ECU BUS + ECU BUS SH ECU BUS (+) B SIG C SIG GND BACK LT VSP DIAG + DIAG - GPS ANTENNA GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE NAVIGATION SERVICE CHECK CONNECTOR 1 2 NAVIGATION UNIT (UNDER DRIVER'S SEAT) PCM (RIGHT REAR OF ENGINE COMPARTMENT) PNK ECU BUS(-) ECU BUS SH STRG SW RG SH RG GND MIC SH MIC GND WIRE PNK WIRE PPL PPL ECU BUS (-) RD SW REARVIEW CAMERA (RIGHT SIDE OF TAILGATE) RED WIRE RED/BLK WIRE RED/WHT WIRE RG L + MIC SIG + ROOF CONSOLE MICROPHONE SIG GND AC-SO AC-CK STEERING WHEEL) TALK SWITCH TRANS- MISSION RANGE SWITCH (ON TRANS- MISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) MICU VID GND VIDEO GND VIDEO CAMERA SH CAMERA ADPT VIDEO+ VOICE CONTROL SWITCH VSSOUT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 B+ 1 2 3 4 5 6 7 CAMERA VCC CAMERA GND 1 2 GPS GPS SH AC-CK AC-SI AC-SO AMPLI- FIER ATP-R BACK LT- BACK SWITCH BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CABLE REEL CAM ADPT CAM GND CAM SH CAM VCC CLIMATE CONTROL UNIT ECU BUS + ECU BUS SH ECU BUS (+) B SIG C SIG SIG GND AC-SO AC-CK GND BACK LT VSP DIAG + DIAG - GPS ANTENNA GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE NAVIGATION SERVICE CHECK CONNECTOR 1 2 NAVIGATION UNIT (UNDER DRIVER'S SEAT) PCM (RIGHT REAR OF ENGINE COMPARTMENT) PNK ECU BUS(-) ECU BUS SH STRG SW RG SH RG GND MIC SH MIC GND WIRE PNK WIRE PPL PPL ECU BUS (-) RD SW REARVIEW CAMERA (RIGHT SIDE OF TAILGATE) RED WIRE RED/BLK WIRE RED/WHT WIRE RG L + MIC SIG + ROOF CONSOLE MICROPHONE STEERING WHEEL) TALK SWITCH TRANS- MISSION RANGE SWITCH (ON TRANS- MISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (AT LEFT KICK PANEL) MICU VID GND VIDEO GND VIDEO CAMERA SH CAMERA ADPT VIDEO+ VOICE CONTROL SWITCH VSSOUT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE