Symptom:
*HEADLAMPS FAIL TO FLASH DURING ALARM
POSSIBLE CAUSES
DIMMER SWITCH LOW BEAM OUTPUT CIRCUIT OPEN
REMOTE KEYLESS ENTRY MODULE
TEST ACTION APPLICABILITY
1 Ensure the Low BeamHeadlamps are operationalbefore proceeding. If the lampsare
not working properly, refer to symptom LOW BEAM HEADLAMPS WILL NOT
TURN ON in the EXTERIOR LIGHTING category.
Disconnect the Remote Keyless Entry module connector.
Connect a test light from the Dimmer Switch Low Beam Output circuit to ground.
Turn the Low Beam Headlamps on.
Does the test light illuminate when the low beam headlamps are on?
All
Yes → Replace the Remote Keyless Entry Module.
Perform VTSS VERIFICATION TEST - 1A.
No → Repair the Dimmer Switch Low Beam Output circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
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VEHICLE THEFT/SECURITY