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 tableShifting the shift lever
Vehicles without a
smart key system:
while the engine switch is in the “on” position, depress the
brake pedal and move the shift lever.
When shifting the shift lever between p and d, make sure that the
vehicle is completely stopped.
Vehicles with a smart key system:
while the eng ...