Use Diagnostic Trouble Codes (DTCs) (from the DTC checks) in the table below to determine the trouble area and proper inspection procedure. The Supplemental Restraint System (SRS) diagnostic trouble code chart is shown below as an example.

Symptom simulation
Problem symptoms tableInterior lights list
Rear interior/rear personal lights
Ambient lights (if equipped)
Front interior/front personal lights
Outer foot lights (if equipped)
Engine switch light (vehicles with a smart key system)
Front door courtesy lights
Interior lights
Turns the lights on/off
Turns the lights li ...