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 tableAir outlets
Location of air outlets
The air outlets and air volume
change according to the
selected airflow mode.
Adjusting the position of and opening and closing the air outlets
Front center outlets
Direct air flow to the left or right,
up or down.
Front side outlets
Direct air flow ...