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 tableOpening the back door from outside the vehicle
Back door opener
Vehicles without a power
back door
Raise the back door while
pressing up the back door
opener switch.
Vehicles with a power back
door
When the back door is
unlocked: press the back door
opener switch.
When the back door is locked (vehicles with a smart key s ...