ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER (a) OPERATING CHECK (1) Depress the brake pedal several times with the engine off and check that there is no change in the pedal reserve distance. (2) Depress the brake pedal and start the engine. If the pedal goes down slightly, operation is normal.
2. CHECK BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check the check valve. (1) Slide the clip and disconnect the vacuum hose. (2) Remove the check valve from the booster.
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Toyota Tundra Service Manual > Vehicle Stability Control System: Skid Control ECU Malfunction (C1300)
DESCRIPTION The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self diagnosis. DTC No. Detection Item DTC Detection Condition Trouble Area C1300 Skid Control ECU Malfunction Internal failure of the skid control ECU (brake actuator ...