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 tableOptimal use of the
audio system
On the “sound settings” screen, sound quality (treble/mid/
bass), volume balance can be adjusted.
How to adjust the sound settings and sound quality
1,2,3 Select “-” or “+” to adjust
the treble, mid or bass to
a level between -5 and 5.
4,5 Select “front” or “rear” to
adj ...