DTC inspection
- Using the M-MDS, perform a DTC inspection and verify if any approaching vehicle audible system-related DTCs are detected. (Refer to [DTC INSPECTION
] in the Troubleshooting Service Information)
DTC is detected
- Inspect for a possible cause of a detected DTC starting from the top. (Refer to [DTC TABLE [ISB_AMP]
] in the Troubleshooting Service Information)
- If the malfunction is not resolved, replace the approaching vehicle warning speaker. (See APPROACHING VEHICLE WARNING SPEAKER REMOVAL/INSTALLATION )
No DTC is detected
- Perform a visual inspection. (See Visual inspection )
- Inspect for a possible cause of a detected DTC starting from the top. (Refer to [DTC TABLE [ISB_AMP]
] in the Troubleshooting Service Information)