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 tableVehicle identification
Vehicle identification number
The vehicle identification number (vin) is the legal identifier for
your vehicle. This is the primary identification number for your
toyota. It is used in registering the ownership of your vehicle.
This number is stamped on the
top left of the instrument panel.
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