Honda Civic IV (1987-1996) integrated control unit Wiring diagrams

BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE CANADA ONLY COMBINATION WIPER SWITCH FUSE 14 GRN/BLK WIRE GROUND HOT IN ON OR START IGNITION INT LO INT/PARK WIPE CTRL PARK INPUT INT WIPER ON INPUT WINDSHIELD WASH ON INTEGRATED CONTROL UNIT INTERMITTENT WIPER RELAY CIRCUIT MIST NCA WIRE OFF PARK RUN WIRE UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT SIDE OF I/P) WASH WINDSHIELD WASHER MOTOR (INSIDE LEFT FRONT WHEEL WELL) WINDSHIELD WIPER MOTOR (LEFT REAR OF ENGINE COMPARTMENT) YEL/BLU WIRE

A/T GEAR POSITION SWITCH AUXILIARY LIGHT RELAY AUXILIARY LIGHT SWITCH BLK BLK BLK WIRE BLK BLK WIRE BLK WIRE BLK/RED WIRE BLU/WHT WIRE BRN/BLK WIRE CKP SENSOR SHIELD CKP/TDC SENSOR SHIELD CLUTCH INTERLOCK SWITCH CLUTCH SWITCH COMBINATION WIPER SWITCH CONTINUATION CRUISE CONTROL MAIN SWITCH CYP SENSOR SHIELD DASH LIGHTS BRIGHTNESS CONTROLLER DATA LINK CONNECTOR DAYTIME RUNNING LIGHTS CONTROL UNIT ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SWITCH FROM FROM POWER WINDOW CONTROL UNIT GAUGE ASSEMBLY HEATED OXYGEN SENSOR SHIELD HEATER CONTROL PANEL HEATER FAN SWITCH (CONTROL PANEL) HORN RELAY IGNITION KEY SWITCH INTEGRATED CONTROL UNIT KNOCK SENSOR SHIELD MODE CONTROL CONTROL MOTOR NOT USED POWER WINDOW RELAY PROGRAMMED FUEL INJECTION MAIN RELAY REAR WINDOW DEFOGGER SWITCH RIGHT AUXILIARY LIGHT SERVICE CHECK CONNECTOR TDC/CYP SENSOR SHIELD TURN SIGNAL/ HAZARD RELAY UNDER- DASH FUSE/ RELAY BOX VEHICLE SPEED SENSOR VTEC PRESSURE SWITCH

A/T GEAR POSITION SWITCH ASHTRAY LIGHT BLK BLK BLK WIRE BLK BLK WIRE BLK WIRE BLK/RED WIRE BRAIDED WIRE BRN/BLK WIRE CIGARETTE LIGHTER CKP/CYP/ TDC SENSOR SHIELD CKP/CYP/TDC SENSOR SHIELD CLOCK CLUTCH INTERLOCK SWITCH CLUTCH SWITCH COMBINATION WIPER SWITCH CRUISE CONTROL MAIN SWITCH CRUISE CONTROL UNIT DASH LIGHTS BRIGHTNESS CONTROLLER DAYTIME RUNNING LIGHTS CONTROL UNIT (CANADA ONLY) ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SWITCH GAUGE ASSEMBLY HEATED OXYGEN SENSOR (VX ONLY) HEATED OXYGEN SENSOR SHIELD HEATER CONTROL PANEL HEATER FAN SWITCH HORN RELAY IGNITION KEY SWITCH INTEGRATED CONTROL UNIT INTERLOCK CONTROL UNIT MODE CONTROL MOTOR MOONROOF CLOSE RELAY MOONROOF OPEN RELAY MOONROOF SWITCH POWER WINDOW RELAY PROGRAMMED FUEL INJECTION MAIN RELAY REAR WINDOW DEFOGGER SWITCH REAR WINDOW WIPER/WASHER SWITCH SECURITY SYSTEM CONNECTOR SERVICE CHECK CONNECTOR TURN SIGNAL/ HAZARD RELAY UNDER- DASH FUSE/ RELAY BOX VEHICLE SPEED SENSOR VTEC PRESSURE SWITCH YEL WIRE YEL/BLK WIRE

A/C COMPRESSOR CLUTCH RELAY ABS CONTROL UNIT ABS FRONT FAIL-SAFE RELAY ABS PUMP MOTOR RELAY ABS PUMP MOTOR RELAY ABS FRONT FAIL-SAFE RELAY ALTERNATOR AUXILIARY LIGHT RELAY BATTERY BLK/YEL WIRE BLU/RED WIRE CEILING LIGHT TRUNK LIGHT DATA LINK CONNECTOR ELECTRICAL LOAD DETECTOR (ELD) UNIT ENGINE CONTROL MODULE (ECM) FROM BATTERY FROM FUSE 13 (UNDERDASH FUSE/RELAY BOX) FUSE 11 FUSE 3 FUSE 31 ECU FUSE 32 BACK-UP FUSE 33 COOLING FAN FUSE 34 RR DEFROSTER FUSE 35 CONDENSER FAN FUSE 36 OPTION FUSE 41 BATTERY FUSE 51 ABS FUSE 54 FUSE 55 GAUGE ASSEMBLY INTEGRATED CONTROL UNIT PGM-FI MAIN RELAY RADIATOR FAN RELAY REAR WINDOW DEFOGGER RELAY SECURITY SYSTEM CONNECTOR (CANADA) STARTER SOLENOID STEREO RADIO/ CASSETTE PLAYER TO FUSE 39 TO FUSE 42 TO FUSE 54 (UNDERHOOD ABS FUSE/RELAY BOX) UNDERDASH FUSE/RELAY BOX UNDERHOOD ABS FUSE/RELAY BOX UNDERHOOD FUSE/RELAY BOX WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/WHT WIRE

A/T GEAR POSITION SWITCH (A/T) BACK-UP LIGHT SWITCH (M/T) BLK/YEL WIRE CEILING LIGHT CLOCK COMBINATION WIPER SWITCH DATA LINK CONNECTOR DISTRIBUTOR ASSEMBLY FROM FUSE 37 FROM IGNITION SWITCH FUSE 1 FUSE 14 FUSE 15 FUSE 3 FUSE 36 OPTION FUSE 6 GAUGE ASSEMBLY GRN/BLK WIRE HAZARD WARNING SWITCH INTEGRATED CONTROL UNIT INTERLOCK CONTROL UNIT (A/T) JUNCTION CONNECTOR 1 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 2 (LEFT KICK PANEL) LX,EX,SI MOONROOF CLOSE RELAY MOONROOF OPEN RELAY POWER DOOR LOCK CONTROL UNIT POWER WINDOW RELAY REAR WINDOW WIPER MOTOR (HATCHBACK) REAR WINDOW WIPER/WASHER SWITCH SECURITY SYSTEM CONNECTOR (CANADA) SHIFT LOCK SOLENOID (A/T) SRS FUSE BLOCK TO FUSE 12 TO FUSE 24 TRUNK/CARGO AREA LIGHT UNDERDASH FUSE/RELAY BOX UNDERHOOD FUSE/RELAY BOX WHT WIRE WHT/GRN WIRE WHT/RED WIRE WINDSHIELD WIPER MOTOR YEL WIRE

* BLU/BLK (EXCEPT COUPE) WIRE A/T GEAR POSITION SWITCH BATTERY BLK WIRE BLK/RED WIRE BLK/WHT (OR BLK/RED) WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE CONSOLE) ENGINE CONTROLS SYSTEM FUSE 18 FUSE 39 FUSE 41 IGNITION SWITCH INTEGRATED CONTROL UNIT LOCK (0) ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE SECURITY CONTROL UNIT (UNDER LEFT SIDE OF DASH) SECURITY STARTER CUT RELAY (UNDER LEFT SIDE OF DASH) STARTER STARTER MOTOR STARTER SOLENOID UNDER- DASH FUSE/ RELAY BOX UNDER- HOOD FUSE/ RELAY BOX W/ ANTI- THEFT W/O ANTI- THEFT WHT WIRE WHT/BLK WIRE

A/T GEAR POSITION SWITCH BATTERY BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE CONSOLE) ENGINE CONTROLS SYSTEM FUSE 18 FUSE 39 FUSE 41 IGNITION SWITCH INTEGRATED CONTROL UNIT LOCK (0) ORG/ WIRE POWER DISTRIBUTION SYSTEM SECURITY CONTROL UNIT SECURITY STARTER CUT RELAY (UNDER LEFT SIDE OF DASH) STARTER STARTER MOTOR STARTER SOLENOID UNDER- DASH FUSE/ RELAY BOX UNDER- HOOD FUSE/ RELAY BOX W/ ANTI- THEFT W/O ANTI- THEFT WHT WIRE WHT/BLK WIRE

* BLU/BLK (EXCEPT COUPE) WIRE BATTERY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE CLUTCH INTER- LOCK SWITCH (LEFT SIDE OF DASH) ENGINE CONTROLS SYSTEM FUSE 18 FUSE 39 FUSE 41 IGNITION SWITCH INTEGRATED CONTROL UNIT JUNCTION CONNECTOR LOCK (0) ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE SECURITY CONTROL UNIT (UNDER LEFT SIDE OF DASH) SECURITY STARTER CUT RELAY (UNDER LEFT SIDE OF DASH) STARTER STARTER CUT RELAY (LEFT SIDE OF DASH) STARTER MOTOR STARTER SOLENOID UNDER- DASH FUSE/ RELAY BOX UNDER- HOOD FUSE/ RELAY BOX W/ ANTI- THEFT W/O ANTI- THEFT WHT WIRE WHT/BLK WIRE

BATTERY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE CLUTCH INTER- LOCK SWITCH (LEFT SIDE OF DASH) ENGINE CONTROLS SYSTEM FUSE 18 FUSE 39 FUSE 41 IGNITION SWITCH INTEGRATED CONTROL UNIT JUNCTION CONNECTOR LOCK (0) ORG/ WIRE POWER DISTRIBUTION SYSTEM SECURITY CONTROL UNIT SECURITY STARTER CUT RELAY (UNDER LEFT SIDE OF DASH) STARTER CUT RELAY (LEFT SIDE OF DASH) STARTER MOTOR STARTER STARTER SOLENOID UNDER- DASH FUSE/ RELAY BOX UNDER- HOOD FUSE/ RELAY BOX W/ ANTI- THEFT W/O ANTI- THEFT WHT WIRE WHT/BLK WIRE

ANTI-THEFT SYSTEM BLK WIRE BLU/WHT WIRE BULB CHECK UNIT DRIVER'S DOOR SWITCH DRIVER'S SEAT BELT SWITCH FRONT PASSENGER'S DOOR SWITCH FUSE 15 FUSE 18 FUSE 3 GRN/BLU WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN START IGNITION KEY SWITCH INSTRUMENT CLUSTER SYSTEM INTEGRATED CONTROL UNIT LT GRN RED/ WIRE LT GRN/RED WIRE RED/BLU WIRE SEAT BELT REMINDER/ KEY-IN BEEPER CIRCUIT UNDER-DASH FUSE/RELAY BOX (LEFT SIDE OF I/P) WIPER/WASHER SYSTEM