Lexus ES: Alignment / Handling Diagnosis

 Lost Communication with Brake System Control Module Missing Message (U012987)

MONITOR DESCRIPTION The ECM and skid control ECU (brake booster with master cylinder assembly) send and receive signals via CAN communication. If a communication error occurs between the ECM and skid control ECU (brake booster with master cylinder assembly), the ECM illuminates the MIL and stores th

 Poor Sound Quality in All Modes (Low Volume)

PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier. OK END NG 2. COMPARE