Diagnosis Procedure
- CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC other than "C1B20" is detected in "Self Diagnostic Result" of "BSW/BUZZER".
Is any DTC detected?
YES
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC INDEX .
NO
GO TO STEP 2 .
- CHECK DRIVER ASSISTANCE BUZZER SIGNAL CIRCUIT FOR OPEN
- Turn ignition switch OFF.
- Disconnect the driver assistance buzzer connector.
- Disconnect the driver assistance buzzer control module connector.
- Check continuity between the driver assistance buzzer control module harness connector and driver assistance buzzer harness connector.
Driver assistance buzzer control module Driver assistance buzzer Continuity Connector Terminal Connector Terminal M150 8 M149 1 Existed 16 2
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the harnesses or connectors.
- CHECK DRIVER ASSISTANCE BUZZER SIGNAL CIRCUIT FOR SHORT
Check continuity between the driver assistance buzzer control module harness connector and ground.
Driver assistance buzzer control module Ground Continuity Connector Terminal M150 8 Not existed 16 Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair the harnesses or connectors.
- CHECK DRIVER ASSISTANCE BUZZER
Check driver assistance buzzer. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
Replace the driver assistance buzzer control module. Refer to REMOVAL AND INSTALLATION .
NO
Replace the driver assistance buzzer. Refer to REMOVAL AND INSTALLATION .