FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Lighting and Horns: Testing and Inspection





Troubleshooting

1. The lamp switch inputs can be checked using the GDS.
2. To check the input value of lamp switch, select option "Body Control Module".
3. To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of power supply, turn signal/brake lamp, headlamp, door, locks, outside mirror, wiper, auto-light and transmitters etc.




4. To check the input value of lamp switch in force mode, select option "Actuation Test".