Wiring diagrams for Honda civic 2004

******Help us with any comments about this specific car /problems/buying/selling/ new or used parts/******



12 Volts white (40A) + ignition harness
Second 12 Volts
Starter black/white + ignition harness
Second Starter N/A
Ignition black/yellow + ignition harness
Second Ignition N/A
Third Ignition N/A
Accessory black/red + ignition harness
Second Accessory white/red + ignition harness
Third Accessory
Keysense red/white - ignition harness
Data Bus red/blue (immobilizer data) data Immobilizer Module, 7 pin plug, pin 2
The Immobilizer Module is around the ignition key switch. The immobilizer ignition wire is yellow/black in pin 6 and the ground reference wire is brown/yellow in pin 1. The security light wire is blue/orange (-) at the Immobilizer Module, 7 pin plug, pin 5.

Can Bus High
Can Bus Low
Can Bus Sw blue/orange (keyless data) data fuse box, connector K, pin 2
Power Lock white/blue - driver kick, door harness
Power Unlock white/green - driver kick, door harness
Lock Motor yellow/black 5wi DKP or back of fuse box, top left
Driver Unlock Motor yellow/green 5wi DKP or back of fuse box, top left
Passenger Unlock Motor yellow 5wi PKP or back of fuse box, top left
Parking Lights (-) blue - switch or factory alarm plug
The factory alarm plug is a green plug above the driver kick panel.

Parking Lights (+) red/black + back of fuse box, top middle
Can also use red/yellow (+) at the front of the fuse box, 18 pin plug, pin 15.

Hazards same as turn signal wires
Turn Signal (Left) green/red + turn signal switch
Turn Signal (Right) green/yellow + turn signal switch
Headlight blue/red - switch or factory alarm plug
The factory alarm plug is a green plug above the driver kick panel.

AutoLights
Reverse Light green + frt of fuse box, 18 pin plug, pin 1
Left Front Door Trigger see notes - frt of fusebox or factory alarm plug
The driver door is green, the passenger door is lt. green/red, and the rear doors are green/white. Use all three wires and diode isolate each. The factory alarm plug is a green plug above the driver kick panel.

Right Front Door Trigger
Left Rear Door Trigger
Right Rear Door Trigger
Dome Supervision green/red - back of fuse box, top right
Trunk/Hatch Pin red - frt of fusebox or factory alarm plug
The factory alarm plug is a green plug above the driver kick panel.

Rear Glass Pin
Hood Pin N/A
Trunk/Hatch Release N/A
Trunk Release Motor
Fuel Door Release
Power Sliding Door (Left) N/A
Power Sliding Door (Right)
Factory Alarm Arm factory remote only
Factory Alarm Disarm factory remote only
Disarm No Unlock factory remote only
Trunk Alarm Shunt
Tachometer blue ac test tachometer connector
The test tachometer connector is a two pin connector to the passenger side of the battery.

Wait to Start N/A
Neutral Safety
Clutch Pedal
Fuel Pump
Rear Defroster
Mirror Defroster
Left Front Heated Seat
Right Front Heated Seat
Speed Sense white/green or blue/white ECM/PCM, pin A18 or E25
The ECM/PCM is behind the glove box. If equipped with cruise control, the vss wire is also blue/white at the cruise control unit to the left of the steering column on the sedans, or the cruise control actuator under the hood on the coupes.

Brake Wire white/black + brake pedal switch
Parking Brake green/orange - Immobilizer Control Unit, pin 4
The Immobilizer Control Unit is on the ignition key cylinder.

Horn Trigger orange - switch or factory alarm plug
The factory alarm plug is a green plug above the driver kick panel.

Wipers blue (L), blue/yellow (H) - windshield wiper switch
Left Front Window (Up/Down) red/black - red/yellow A driver window switch in door
Right Front Window (Up/Down) blue/red - blue/white A driver kick, door harness
Left Rear Window (Up/Down) brown/white - brown A driver kick, door harness
Right Rear Window (Up/Down) blue/orange - brown/yellow A driver kick, door harness
Sun Roof (Open/Close) green/yellow - green/black A moonroof relays rear of moonroof
Sun Roof (Limit/Close) N/A
Memory Seat 1 N/A
Memory Seat 2 N/A
Memory Seat 3 N/A
Radio 12V white/red + radio harness
Radio Ground black - radio harness
Radio Ignition yellow/red + radio harness
Radio Illumination red/black + radio harness
Factory Amp Turn-on N/A
Power Antenna yellow/green + radio harness
Left Front Speaker (+/-) green/black - lt. green +,- radio harness
Right Front Speaker (+/-) green/yellow - gray/red +,- radio harness
Left Rear Speaker (+/-) blue/white - blue/black +,- radio harness
Right Rear Speaker (+/-) pink - blue/yellow +,- radio harness
Center Channel (+/-)
Subwoofer (+/-)