The Light Reminder Warning Does Not Sound

The Light Reminder Warning Does Not Sound

Description

Light reminder warning does not sound even though headlamp is illuminated.

Diagnosis Procedure

1. CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) OPERATION

Check that the headlamps operate normally by operating the combination switch (lighting and turn signal switch).

Do they operate normally?
YES
GO TO 2
NO
Refer to [Diagnosis and Repair Workflow] Diagnosis and Repair Workflow.

2. CHECK FRONT DOOR SWITCH LH SIGNAL CIRCUIT

Perform a unit inspection for the front door switch LH. Refer to [Door Switch Circuit Check [Crew Cab] Door Switch Circuit Check [Crew Cab] ] (Crew Cab) or [Door Switch Circuit Check [King Cab] Door Switch Circuit Check [King Cab] ] (King Cab).

Is the inspection result normal?
YES
Replace the BCM. Refer to [BCM: Removal and Installation] Removal and Replacement.
NO
Refer to [Door Switch Circuit Check [Crew Cab] Door Switch Circuit Check [Crew Cab] ] (Crew Cab) or [Door Switch Circuit Check [King Cab] Door Switch Circuit Check [King Cab] ] (King Cab).