Honda Accord VIII facelift (2011-2013) ecm/pcm Wiring diagrams

A/T REVERSE DIODE A A/T REVERSE DIODE B A/T REVERSE RELAY BLK WIRE DRIVE INPUT (ATPR) DRIVE INPUT (LEFT REAR (ATPR) OF TRUNK) DRIVER'S UNDER-DASH FUSE/RELAY BOX DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM ECM/PCM (LEFT FRONT OF ENGINE COMPT) FUSE 5 HOT IN ON OR START J/C LEFT BACKUP LIGHT LT BLU WIRE RED WIRE RIGHT BACKUP LIGHT TRANSMISSION RANGE SWITCH TRANSMISSION RANGE SWITCH (ON REAR OF TRANSMISSION) WHT WIRE

+B +B BACK UP +B BACK 0) OFF 1) PARK 2) AUTO 2.4L 3.5L 3.5L 2.4L B-CAN B-CAN LO BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK BODY CONTROLLER AREA NETWORK TRANSCEIVER BRAKE PEDAL POSITION SWITCH BRAKE PEDAL POSITION SWITCH (ON BRAKE PEDAL SUPPORT) BRN WIRE CENTER JUNCTION BOX CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMBINATION LIGHT SWITCH CONTROLLER AREA NETWORK CONTROLLER DRIVER'S MICU DRIVER'S UNDER-DASH FUSE/RELAY BOX DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM ECM/PCM (LEFT FRONT OF ENGINE COMPT) FRONT PASSENGER'S AIRBAG CUT-OFF INDICATOR FUSE 10 FUSE 12 FUSE 15 FUSE 9 FUSE 9 FUSE 15 GAUGE CONTROL MODULE GND (LIGHT) GND SW R (LIGHT) SW L GRN WIRE GRY WIRE H/L H/L B-CAN SMALL OFF LOW TURN HI SW SW SW H/L H/L SMALL LOW OFF HI SW SW SW HAZARD SW HAZARD WARNING SWITCH HEAD 3) HEAD HEADLIGHT SWITCH HORN RELAY HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON OR START LEFT REAR TURN SIGNAL LIGHT LEFT TURN SIGNAL IND LIGHTING LIGHTS ON IND LT GRN WIRE ORG/ WIRE PNK WIRE PTT RED WIRE RIGHT REAR TURN SIGNAL LIGHT RIGHT TURN SIGNAL IND SRS UNIT SRS UNIT (UNDER MIDDLE OF DASH) STOP +B UP SW HAZARD STOP HAZARD SW SUPPLEMENTAL RESTRAINTS SYSTEM SWIN TRANSCEIVER/ TURN TURN SIGNAL SWITCH TURN SIGNAL/HAZARD RELAY 2 (SOUNDER) TURN SW L TURN SW R UNDER-HOOD FUSE/RELAY BOX W/ AUTOMATIC W/O AUTOMATIC LIGHTING W/O AUTOMATIC LIGHTING W/ AUTOMATIC LIGHTING WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE

A/T REVERSE DIODE A A/T REVERSE DIODE B A/T REVERSE RELAY BLK WIRE DRIVE INPUT (ATPR) DRIVER'S UNDER-DASH FUSE/RELAY BOX DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM ECM/PCM (LEFT FRONT OF ENGINE COMPT) FUSE 5 HOT IN ON OR START J/C J/C J/C LEFT BACKUP LIGHT LT BLU WIRE RED WIRE RIGHT BACKUP LIGHT TOP OF TRANSMISSION) TRANSMISSION RANGE SWITCH TRANSMISSION RANGE SWITCH (ON TRANSMISSION) W/ PADDLE SHIFTERS W/O PADDLE SHIFTERS WHT WIRE

+B +B BACK UP +B BACK 0) OFF 1) PARK 2) AUTO 2.4L 3.5L 3.5L 2.4L B-CAN B-CAN LO BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK BODY CONTROLLER AREA NETWORK TRANSCEIVER BRAKE PEDAL POSITION SWITCH BRAKE PEDAL POSITION SWITCH (ON BRAKE PEDAL SUPPORT) BRN WIRE CENTER JUNCTION BOX CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMBINATION LIGHT SWITCH CONTROLLER AREA NETWORK CONTROLLER DRIVER'S MICU DRIVER'S UNDER-DASH FUSE/RELAY BOX DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM ECM/PCM (LEFT FRONT OF ENGINE COMPT) FRONT PASSENGER'S AIRBAG CUT-OFF INDICATOR FUSE 10 FUSE 12 FUSE 15 FUSE 9 FUSE 9 FUSE 15 GAUGE CONTROL MODULE GND (LIGHT) GND SW R (LIGHT) SW L GRN WIRE GRY WIRE H/L H/L B-CAN SMALL OFF LOW TURN HI SW SW SW H/L H/L SMALL LOW OFF HI SW SW SW HAZARD SW HAZARD WARNING SWITCH HEAD 3) HEAD HEADLIGHT SWITCH HORN RELAY HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON OR START LEFT REAR TURN SIGNAL LIGHT LEFT TURN SIGNAL IND LIGHTING LIGHTS ON IND LT GRN WIRE ORG/ WIRE PNK WIRE PTT RED WIRE RIGHT REAR TURN SIGNAL LIGHT RIGHT TURN SIGNAL IND SRS UNIT SRS UNIT (UNDER MIDDLE OF DASH) STOP +B UP SW HAZARD STOP HAZARD SW SUPPLEMENTAL RESTRAINTS SYSTEM SWIN TRANSCEIVER/ TURN TURN SIGNAL SWITCH TURN SIGNAL/HAZARD RELAY 2 (SOUNDER) TURN SW L TURN SW R UNDER-HOOD FUSE/RELAY BOX W/ AUTOMATIC W/O AUTOMATIC LIGHTING W/O AUTOMATIC LIGHTING W/ AUTOMATIC LIGHTING WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE

2.4L A/T A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C BATTERY BLK WIRE BRN WIRE CKP DLC SENSOR CKP SENSOR CMP SENSOR CMP SENSOR A CMP SENSOR B DLC DRIVER'S JUNCTION BOX 1 DRIVER'S JUNCTION BOX 1 (BEHIND LEFT KICK PANEL) ECM/PCM EGR VALVE, EGR IGNITION IGNITION VALVE POSITION COIL 5 COIL 6 SENSOR EGR VALVE/ EGR VALVE POSITION SENSOR ENGINE FRONT A/F SENSOR SHIELD FRONT FRONT A/F SECONDARY SENSOR SHIELD SHIELD GND GND GND GND (PGMETCS) GND GND GND GND (PGMETCS) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IMMOBILIZER KEYLESS CONTROL UNIT J/C KNOCK SENSOR SHIELD M/T PGMETCS PREMIUM AUDIO REAR A/F SENSOR, REAR SECONDARY RIGHT HEADLIGHT RIGHT HEADLIGHT (PREMIUM AUDIO) ROCKER ARM OIL CONTROL SOLENOID (EXHAUST) ROCKER ARM OIL CONTROL SOLENOID (INTAKE) ROCKER ARM OIL CONTROL SOLENOID A ROCKER ARM OIL CONTROL SOLENOID B ROCKER ARM OIL CONTROL SOLENOID C ROCKER ARM OIL PRESSURE SWITCH ROCKER ARM OIL PRESSURE SWITCH (EXHAUST) ROCKER ARM OIL PRESSURE SWITCH (INTAKE) SECONDARY KNOCK SENSOR SHIELD SHIELD TOP OF TRANSMISSION) TRANS- MISSION TRANS- MISSION RANGE SWITCH VTC OIL CONTROL SOLENOID ECM/PCM VALVE VTC OIL CONTROL SOLENOID VALVE YEL WIRE

-OFF CIRCUIT 2.4L 3.5L 4 DOOR A/T GEAR POSITION A/T GEAR POSITION DIMMING CIRCUIT A/T GEAR POSITION INDICATOR DRIVE CIRCUIT AREA NETWORK B CAN B CAN HI LO B-CAN HI B-CAN LO BEEPER BLK WIRE BLU WIRE BODY CONTROLLER BODY CONTROLLER AREA NETWORK TRANSCEIVER BRIGHTENING SWITCH BRN WIRE CIRCUIT COMPULSORY TURNING COMPULSORY TURNING- ON CIRCUIT COMPUTER DATA LINES SYSTEM DIAL BRIGHTNESS CONTROL AND DIMMING CIRCUIT DIMMING CIRCUIT DIMMING SWITCH DISPLAY (MID) UNIT DRIVER'S DOOR SWITCH ECM/PCM ECM/PCM (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE F-CAN COMMUNICATION SIG (CANH) F-CAN COMMUNICATION SIG (CANL) FAIL SAFE CIRCUIT FAIL-SAFE FAST CONTROLLER AREA FR DR FR DR SW R FROM 16 PIN (DIAGRAM 1 OF 2) FROM CONTROL CRUSE CONTROL IND (DIAGRAM 1 OF 2) FROM MIL IND (DIAGRAM 1 OF 2) FRONT PASSENGER'S DOOR SWITCH FRONT PASSENGER'S DOOR SWITCH (AT FRONT PASSENGER'S "B" PILLAR) FUEL GAUGE FUSE 15 GAUGE CONTROL MODULE GRN WIRE HIGH BEAM DIMMING CIRCUIT HIGH BEAM DIMMING CIRCUIT HIGH BEAM IND HIGH BEAM IND HOT AT ALL TIMES INDICATOR DIMMING CIRCUIT INDICATOR DRIVE CIRCUIT LCD BACK LIGHT LCD BRIGHTNESS CONTROL AND DIMMING CIRCUIT LEFT REAR DOOR SWITCH LEFT REAR DOOR SWITCH (4 DOOR) (AT LEFT "C" PILLAR) LEFT TURN SIGNAL IND LT GRN WIRE MULTI-INFORMATION NETWORK TRANSCEIVER NETWORK TRANSCEIVER FAST CONTROLLER AREA ODOMETER/TRIP METER/SELECT/ RESET SWITCH OIL PRESSURE SWITCH ON CIRCUIT PASSENGER'S MICU PASSENGER'S UNDER-DASH FUSE/RELAY BOX PNK WIRE POINTER BRIGHTNESS CONTROL AND DIMMING CIRCUIT RED WIRE RELAY 2 (SOUNDER) RELAY 2 (SOUNDER) TURN SIGNAL/HAZARD RIGHT REAR DOOR SWITCH RIGHT REAR DOOR SWITCH (4 DOOR) (AT RIGHT "C" PILLAR) RIGHT TURN SIGNAL IND RR DR SW R SECURITY IND SECURITY IND BLINKING CIRCUIT SPEEDOMETER STABILIZER CIRCUIT SWITCH INPUT TACHOMETER TRANSCEIVER/ TRUNK LID LATCH SWITCH TRUNK LID OPENER SOLENOID/ LATCH SWITCH TRUNK LID OPENER SOLENOID/ LATCH SWITCH (MIDDLE REAR OF TRUNK LID) TURN SIGNAL/HAZARD UNDER-HOOD FUSE/RELAY BOX UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) UNIT) W/O PADDLE SHIFTERS W/ PADDLE SHIFTERS WARNING DRIVE CIRCUIT WHT WIRE YEL/RED WIRE

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

+B HAZ 2.4L 2.4L 3.5L 3.5L 3.5L 2.4L A/C CONDENSER FAN RELAY A/C DIODE A/C DIODE B A/F SENSOR ABS/VSA FUSE ABS/VSA FUSE (NOT USED) (VSA) ABS/VSA MOTOR FUSE ALTERNATOR AS FUSE BOX (NOT FUSE USED) AS FUSE BOX FUSE BATTERY BATTERY FUSE BATTERY FUSE (2.4L) (3.5L) BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH BRAKE REAR PEDAL SECONDARY POSITION SWITCH DRIVER'S MICU DRIVER'S MICU +B HAZ DRIVER'S UNDER-DASH FUSE/RELAY BOX DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECM/PCM ECM/PCM UNDER HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) ELECTRICAL LOAD DETECTOR (ELD) UNIT EVAP CANISTER A/F VENT SHUT SENSOR VALVE EVAP CANISTER VENT SHUT VALVE FRONT SECONDARY FUSE 10 FUSE 11 FUSE 12 FUSE 12 (NOT USED) FUSE 13 FUSE 14 FUSE 21 FUSE 9 FUSE 9 FUSE 11 (NOT USED) GRN WIRE GRY WIRE HAZARD WARNING SWITCH HORN RELAY IGNITION COIL RELAY J/C MULTI FUSE 1 MULTI FUSE 2 OPTION PACKAGE PGM-FI SUB- RELAY PNK PNK WIRE PNK WIRE RADIATOR FAN RELAY RADIATOR FAN RELAY (3.5L) A/C RLY CONDENSER CTRL FAN RELAY (2.4L) REAR A/F FRONT A/F SENSOR SENSOR RED WIRE RLY CTRL STARTER SOLENOID STARTER TO PASSENGER'S UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 7) TO UNDER HOOD FUSE/RELAY BOX (DIAGRAM 3 OF 7) TO UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 4 OF 7) UNDER-HOOD FUSE/RELAY BOX VSA VSA ABS VSA MODULATOR CONTROL UNIT VSA MODULATOR CONTROL UNIT (VSA) WHT WIRE WHT/BLK WIRE YEL WIRE

38 39 PNK PNK WIRE A/T ACPD AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM SOUND SYSTEM ANTI-THEFT SYSTEM APP SENSOR APSA APSA APSB VG+ APSB ATP-P ATPP BARO- METER SENSOR BKSW BKSWNC BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH BRN WIRE CKPOUT CKPOUT CMPOUT CLUTCH PEDAL POSITION SWITCH CMPOUT COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRMTCLS CRUISE CONTROL SYSTEM CSSAMA CSSAMA CSSAMC ATPP CSSAMC DRIVER'S MICU DRIVER'S UNDER-DASH FUSE/RELAY BOX ECM/PCM ECM/PCM (LEFT FRONT OF ENGINE COMPT) ELD ELD UNIT ETCS CONTROL RELAY ETCSRLY ETCSRLY VSSOUT STS SCS FANL FANH MRLY BKSWNC BKSW VG- ELD IMOFPR MCS FTP FUSE 10 FUSE 17 FUSE 18 FUSE 19 FUSE 19 FUSE 17 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGP IMOFPR IMTM VCMSWC (OR VTPSW) LSC INJECTOR 6 (ON TOP OF LEFT CYLINDER BANK) INJECTOR 6) INJECTORS 1, 2, 3 INJECTORS 1, 2, 3 (TOP OF RIGHT CYLINDER BANK) INJECTORS 4, 5 INJECTORS 4, 5 (TOP OF LEFT CYLINDER BANK) LSB LT BLU WIRE LT GRN WIRE LT GRN/YEL WIRE M/T MCS MEMORY SYSTEMS MRLY NAVIGATION, SOUND SYSTEMS NAVIGATION, SOUND SYSTEMS STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM ORG/ WIRE PGM-FI MAIN RELAY PNK PSPSW FTP SUBRLY WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL LSB PSPSW REAR OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/YEL WIRE S-NET SCS SLS (OR RVS) SOUND SYSTEM STARTING/CHARGING SYSTEM STS SUBRLY TAN WIRE TPSA TPSA PNK WIRE UNDER- HOOD FUSE/ RELAY BOX UNDER- HOOD FUSE/ RELAY BOX (LEFT VBUM VG (+) VSSOUT VSV VSV VBUM WEN WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A A/T M/T ALTC ALTF ALTL ALTL ALTC ALTF OPSW ATFT ATFT EGRP PPL ATPD ATPD ATPFWD ATPRVS SHA LSA POIL ATPFWD ATPN ATPR ATPRVS BLK WIRE BLU WIRE BRN WIRE CKP CKP CMP CKP SENSOR CKP SENSOR (UNDER RIGHT FRONT OF ENGINE) CMP CMP SENSOR CMP SENSOR (RIGHT FRONT OF ENGINE) CSSA (OR VTS) CSSB CSSC ECM/PCM ECM/PCM (LEFT FRONT OF EGR EGRP ENGINE COMPT) ETCSM- GRN WIRE GRY WIRE IAT IAT ATPR ATPN IMT - KNOCK SENSOR KNOCK SENSOR (LEFT SIDE OF ENGINE) KS IMT+ IMT- LSA - LT BLU WIRE LT GRN WIRE M/T A/T MAP NM NC OPSW ORG/ WIRE PCS PGMETCS PGMETCS ETCSM- ETCSM+ PNK PPL WIRE PNK SHB WIRE PNK WIRE POIL PPL PPL GRY WIRE PPL PNK MAP WIRE PPL SHD EGR PPL TPSB RED WIRE RED/BLU WIRE ROCKER ARM OIL CONTROL SOLENOID C SHA SHB SHC SHC PCS SHD SHIFT CONTROL SOLENOID VALVE A SHIFT CONTROL SOLENOID VALVE B STARTING/ CHARGING SYSTEM TAN WIRE TOP OF TRANSMISSION) TP SENSOR/THROTTLE ACTUATOR TP SENSOR/THROTTLE ACTUATOR (ON THROTTLE BODY) TPSB TRANSMISSION FLUID PRESSURE SWITCH VCMSWB WHT WIRE YEL WIRE YEL/RED WIRE