Honda Accord VIII (2007-2011) climate control unit Wiring diagrams

AC-CLK AUDIO UNIT AUDIO-HVAC SUB-DISPLAY UNIT AUTOMATIC LIGHTING SENSOR/SUNLIGHT SENSOR (TOP MIDDLE OF DASH) B CAN B CAN HI LO B-CAN HI B-CAN LO GROUND BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER POWER TRANSISTOR (ON BOTTOM OF BLOWER UNIT) BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT CLIMATE CTRL SW COMMON POTENTIAL COMPUTER DATA LINES SYSTEM DISPLAY (CLK) DISPLAY (SI) A/C PRESSURE SW DRIVER'S DUET CONT DUTE RX DUTE TX ENGINE CONTROLS SYSTEM PGM-FI SUB- RELAY EVAP TEMP SENS OUTSIDE AIR TEMP SENS SUNLIGHT SENS IN-CAR TEMP SENS FUSE 14 FUSE 21 FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FUSE 16 IN-CAR TEMPERATURE SENSOR (RIGHT OF STEERING COLUMN) JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MICU ACS NAVIGATION SYSTEM NORMAL AUDIO PREMIUM AUDIO OUTSIDE AIR TEMPERATURE SENSOR (BEHIND CENTER OF FRONT BUMPER) PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK WIRE PPL PPL PNK WIRE REAR WINDOW DEFOGGER RELAY RED WIRE RED/YEL WIRE SC-SO SOUND SYSTEMS SUN LIGHT SENSOR WHT WIRE YEL WIRE

AC-CLK AUDIO UNIT AUDIO-HVAC SUB-DISPLAY UNIT AUTOMATIC LIGHTING SENSOR/SUNLIGHT SENSOR (TOP MIDDLE OF DASH) B CAN B CAN HI LO BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER POWER TRANSISTOR (ON BOTTOM OF BLOWER UNIT) BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMMON POTENTIAL COMPUTER DATA LINES SYSTEM DRIVER'S DUET CONT DUTE RX DUTE TX ENGINE CONTROLS SYSTEM PGM-FI SUB- RELAY EVAP TEMP SENS OUTSIDE AIR TEMP SENS SUNLIGHT SENS IN-CAR TEMP SENS FUSE 14 FUSE 21 FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FUSE 16 IN-CAR TEMPERATURE SENSOR (RIGHT OF STEERING COLUMN) INTERIOR ILLUMINATION - LIGHTS SYSTEM JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MICU ACS NORMAL AUDIO PREMIUM AUDIO ORG/ WIRE PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK B-CAN H B-CAN LO GROUND WIRE PNK WIRE POWER TRANSISTOR CTRL BLOWER FEEDBACK PPL REAR WINDOW DEFOGGER RELAY RED WIRE RED/YEL WIRE SC-SO SENS COMMON GND SOUND SYSTEMS SUN LIGHT SENSOR W/AUTOMATIC LIGHTING W/O AUTOMATIC LIGHTING WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN MOTOR (LOWER MIDDLE FRONT OF ENGINE COMPT) A/C CONDENSER FAN RELAY A/C DIODE A A/C DIODE B A/C PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPT) B-CAN B-CAN LO BLK WIRE BLOWER MOTOR RELAY BLU WIRE BLU/BLK WIRE BLU/YEL WIRE CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM DRIVER'S JUNCTION BOX 1 (BEHIND LEFT KICK PANEL) DRIVER'S UNDER- DASH FUSE/ RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM (LEFT FRONT OF ENGINE COMPT) ECT SENSOR 1 (REAR OF ENGINE) ECT SENSOR 2 (LOWER LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM PGM-FI SUB- RELAY FUSE 14 FUSE 16 ACS HI FUSE 21 FUSE 5 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON HVAC CONTROL UNIT JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MAIN FAN MOTOR FUSE MICU MULTI FUSE 3 NAVIGATION NORMAL AUDIO: CLIMATE CONTROL NORMAL AUDIO: MANUAL A/C PNK WIRE PPL PREMIUM AUDIO: CLIMATE CONTROL PREMIUM AUDIO: MANUAL A/C RADIATOR FAN MOTOR (LOWER LEFT FRONT OF ENGINE COMPT) RADIATOR FAN RELAY REAR WINDOW DEFOGGER RELAY RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) USA CANADA WHT WIRE YEL WIRE YEL/RED WIRE

AC-CLK AUDIO UNIT AUDIO-HVAC SUB-DISPLAY UNIT AUTOMATIC LIGHTING SENSOR/SUNLIGHT SENSOR (TOP MIDDLE OF DASH) B CAN B CAN HI LO B-CAN HI B-CAN LO GROUND BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER POWER TRANSISTOR (ON BOTTOM OF BLOWER UNIT) BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT CLIMATE CTRL SW COMMON POTENTIAL COMPUTER DATA LINES SYSTEM DISPLAY (CLK) DISPLAY (SI) A/C PRESSURE SENS DRIVER'S JUNCTION BOX 1 (BEHIND LEFT KICK PANEL) DUET CONT DUTE RX DUTE TX ENGINE CONTROLS SYSTEM PGM-FI SUB- RELAY EVAP TEMP SENS OUTSIDE AIR TEMP SENS SUNLIGHT SENS IN-CAR TEMP SENS FUSE 14 DEFOGGER RELAY FUSE 21 FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FUSE 16 IN-CAR TEMPERATURE SENSOR (RIGHT OF STEERING COLUMN) JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MICU ACS NAVIGATION SYSTEM NORMAL AUDIO PREMIUM AUDIO OUTSIDE AIR TEMPERATURE SENSOR (BEHIND CENTER OF FRONT BUMPER) PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK WIRE PPL PPL PNK WIRE REAR WINDOW RED WIRE RED/YEL WIRE SC-SO SOUND SYSTEMS SUN LIGHT SENSOR WHT WIRE YEL WIRE

AC-CLK ACS AUDIO UNIT AUDIO-HVAC SUB-DISPLAY UNIT AUTOMATIC LIGHTING SENSOR/SUNLIGHT SENSOR (TOP MIDDLE OF DASH) B-CAN BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER POWER TRANSISTOR (ON BOTTOM OF BLOWER UNIT) BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMMON POTENTIAL COMPUTER DATA LINES SYSTEM DRIVER'S DUET CONT DUTE RX DUTE TX ENGINE CONTROLS SYSTEM PGM-FI SUB- RELAY EVAP TEMP SENS OUTSIDE AIR TEMP SENS SUNLIGHT SENS IN-CAR TEMP SENS FUSE 14 DEFOGGER RELAY FUSE 21 FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FUSE 16 IN-CAR TEMPERATURE SENSOR (RIGHT OF STEERING COLUMN) INTERIOR ILLUMINATION - LIGHTS SYSTEM JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MICU B CAN HI LO NORMAL AUDIO PREMIUM AUDIO ORG/ WIRE OUTSIDE AIR TEMPERATURE SENSOR (BEHIND CENTER OF FRONT BUMPER) PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK B-CAN H B-CAN LO GROUND WIRE PNK WIRE POWER TRANSISTOR CTRL BLOWER FEEDBACK PPL REAR WINDOW RED WIRE RED/YEL WIRE SC-SO SENS COMMON GND SOUND SYSTEMS SUN LIGHT SENSOR SUNLIGHT SENSOR (TOP MIDDLE OF DASH) W/AUTOMATIC LIGHTING W/O AUTOMATIC LIGHTING WHT WIRE YEL WIRE

8 4 3 2 1 5 6 11 13 PR DEF LED SW IN-1 SW IN-2 SW IN-3 SW IN-4 SW OUT-3 SW OUT-4 B-CAN B-CAN MICU LO HI B-CAN LO BLK WIRE BLU WIRE BOX (UNDER LEFT BRN WIRE BUS-DATA CENTER JUNCTION CLIMATE CONTROL UNIT CLIMATE CTRL SW (BUS) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK B CAN HI WIRE CONTROL UNIT VMPAS CONTROL UNIT) DEFOGGER DRIVER'S DRIVER'S CLIMATE CONTROL SWITCH DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FRONT PASSENGER'S CLIMATE CONTROL SWITCH FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 13 FUSE 16 FUSE 4 FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) GND (BEHIND MIDDLE OF DASH) GRN WIRE GRY WIRE HEAT (+) HOT AT ALL TIMES HOT IN ON ILL ILL INDICATOR JUNCTION LEFT POWER MIRROR LT BLU WIRE LT GRN WIRE MIRRORS SYSTEM NOISE CONDENSER (IF EQUIPPED) ORG/ WIRE PASSENGER'S UNDER-DASH PNK COMPUTER DATA LINES SYSTEM B-CAN HI B-CAN LO WIRE POWER DISTRIBUTION SYSTEM POWER MIRROR DEFOGGERS POWER WINDOW MASTER SWITCH PR DEF LED REAR WINDOW REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER COIL (3.5L) REAR WINDOW DEFOGGER RELAY RED WIRE RIGHT POWER MIRROR RR DEF RLY CL- SIDE OF DASH) SW OUT-4 SW OUT-3 SW IN-4 SW IN-3 SW IN-2 SW IN-1 SWITCH UART UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE

AIR CONDITIONING SYSTEM B-CAN HI B-CAN LO BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM CONTROL UNIT VMPAS CONTROL UNIT) DEFOGGER DRIVER'S BOX MICU (BEHIND LEFT KICK PANEL) DRIVER'S UNDER-DASH FUSE/RELAY DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 13 FUSE 16 FUSE 4 GRN WIRE HEAT (+) HEAT PG HOT AT ALL TIMES HOT IN ON KICK PANEL) LEFT POWER MIRROR LT GRN WIRE MIRRORS SYSTEM NOISE CONDENSER (IF EQUIPPED) ORG/ WIRE PASSENGER'S UNDER-DASH FUSE/RELAY BOX (BEHIND RIGHT PNK WIRE POWER DISTRIBUTION SYSTEM POWER WINDOW MASTER SWITCH REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER COIL (3.5L) REAR WINDOW DEFOGGER RELAY REAR WINDOW/POWER MIRROR DEFOGGERS INDICATOR B-CAN LO REAR WINDOW/POWER MIRROR DEFOGGERS SWITCH RIGHT POWER MIRROR RR DEF RLY CL- UART UART B-CAN HI UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT)

1 17 10 F-CAN HI F-CAN LO K-LINE 14 1 3 F-CAN HI F-CAN LO K-LINE 14 12 F-CAN HI F-CAN LO 3 4 5 B-CAN LO B-CAN HI K-LINE PNK WIRE 33 35 27 B-CAN LO B-CAN HI UART PNK WIRE 7 14 6 DLC (UNDER LEFT SIDE OF DASH) ABS ABS MODULATOR CONTROL UNIT B-CAN B-CAN HI LOW B-CAN HI B-CAN LO BLK WIRE BLU WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT DRIVER'S JUNCTION BOX 2 (BEHIND LEFT KICK PANEL) DRIVER'S UNDER-DASH FUSE/RELAY BOX DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM (LEFT FRONT OF ENGINE COMPT) ENGINE MOUNT CONTROL UNIT (3.5L: A/T) (BEHIND LEFT KICK PANEL) F-CAN HI F-CAN HI F-CAN LO F-CAN LO F-CAN LO F-CAN HI FRONT PASSENGER'S POWER WINDOW SWITCH GA-BUS SH GA-BUS- GAUGE CONTROL MODULE GRN WIRE GRY WIRE HANDSFREELINK CONTROL UNIT (W/ NAVIGATION) (UNDER LEFT SIDE OF DASH) IMMOBILIZER KEYLESS CONTROL UNIT (IN STEERING COLUMN) K LINE K-LINE CHK LT BLU WIRE MICU MICU B-CAN LOW MICU SERVICE CHECK CONNECTOR NAVIGATION XM RECEIVER DISPLAY (RIGHT SIDE UNIT OF TRUNK) PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK 18 17 B-CAN HI B-CAN LO WIRE PNK 19 18 30 29 B-CAN HI B-CAN LO F-CAN HI F-CAN LO WIRE PNK B-CAN HI B-CAN LO WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER WINDOW MASTER SWITCH RED WIRE TPMS SRS UNIT CONTROL UNIT (UNDER (UNDER MIDDLE LEFT SIDE OF DASH) OF DASH) UART VSA VSA ABS VSA MODULATOR CONTROL UNIT WHT WIRE

+B PPL 5 4 3 2 1 PPL AMPLIFIER B SIG 1 C SIG 1 GND SIG 1 AC SO AC CLK BLK WIRE BLU WIRE BRN WIRE CAN H SH ECU BUS ECU BUS + CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM DRIVER'S JUNCTION BOX 1 (BEHIND LEFT KICK PANEL) DRIVER'S JUNCTION BOX 2 (BEHIND LEFT DRIVER'S UNDER-DASH FUSE/RELAY ECM/PCM (LEFT FRONT OF ENGINE COMPT) FUSE 15 FUSE 18 BOX (BEHIND LEFT KICK PANEL) GND BACK LT VSP DIAG + DIAG - GND SH JOG JOG GPS SIG GPS SH GRN WIRE GRY WIRE HFL COMM 3 HFL COMM 4 HFL COMM 1 HFL COMM 2 HFL COMM SH HOT AT ALL TIMES HOT IN ACC OR ON INTERFACE DIAL JOG CAN L SH JOG ECU BUS - KICK PANEL) LT BLU WIRE LT GRN WIRE NAVIGATION UNIT (UNDER RIGHT SIDE OF REAR SHELF) NCA WIRE ORG/ WIRE PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PPL PPL PPL R SIG 1 G SIG 1 SH SIG 1 AC SI ILL + RED WIRE RG L + HFL NAVI MIC + SOUND SYSTEMS STRG SW RG L SH RG L GND HFL NAVI MIC SH HFL NAVI OUT - UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL WIRE