DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) is connected to the parking brake ECU (brake actuator assembly) via CAN communication. If an electric parking brake system malfunction occurs, this DTC is output.
PROCEDURE
(a) Check for electric parking brake system DTCs and record any codes that are output. Chassis > Electric Parking Brake > Trouble Codes
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Toyota Avalon Service & Repair Manual > Audio And Visual System(for Gasoline Model): Parking Brake Switch Circuit
DESCRIPTION This circuit is from the skid control ECU (brake actuator assembly) to the radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK BRAKE WARNING LIGHT (a) Check that the brake warning light comes on when the parking brake is applied and goes off when it is released. OK: Th ...
