Description

The key warning chime does not sound, when all of the following conditions are fulfilled.

• Key inserted into the key cylinder (key switch signal ON).

• Ignition switch is in ACC or OFF (ignition switch signal OFF).

• Driver side door is open (driver side door switch ON)

Diagnosis Procedure

1.CHECK BCM INPUT SIGNAL

1. Connect CONSULT-III.

2. Select the “Data Monitor” of “BCM (BUZZER)” and check the “KEY ON SW” monitor value. Refer to WCS- 21, "BUZZER : CONSULT-III Function (BCM - BUZZER)".

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-161, "Removal and Installation".

NO >> GO TO 2.

2.CHECK KEY SWITCH SIGNAL CIRCUIT

Check the key switch signal circuit. Refer to DLK-401, "Diagnosis Procedure" (Type 3) or DLK-526, "Diagnosis Procedure" (Type 4).

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-161, "Removal and Installation".

NO >> Check applicable parts, and repair or replace corresponding parts.

NOTE

:
To identify vehicle type, refer to DLK-357, "Information".