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 tableTurning the lda system on
Vehicles with monochrome display
Vehicles with color display
Press the lda switch to activate the system.
The lda indicator and lane lines will come on.
Press the switch again to turn the lda system off.
The lda system will remain on or off even if the engine switch is t ...