Diagnosis and repair work flowPower supply and ground circuit
BCM
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-67, "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
Is the fuse or fusible link blown?
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
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Horn function
Symptom Table
HAZARD AND HORN REMINDER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check
"Work flow". Refer to DLK-9, "Work Flow".
If the following symptoms are detected, check systems shown in
the "Diagnosis/service procedure" column
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Parking brake system
On-Vehicle Service
PEDAL STROKE
When parking brake pedal is operated with the specified force,
make sure the stroke is within the specified
number of notches. Check by listening and counting the ratchet clicks.
Pedal stroke : Refer to PB-11, "Parking Brake Control".
INSPECTI ...