Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Brake Switch "A" Circuit Open (P057113)

DESCRIPTION

When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (brake booster with master cylinder assembly) operates the stop light switch assembly (stop light control relay) to illuminate the stop lights.

If the hybrid vehicle control ECU receives a stop light control relay malfunction signal from the skid control ECU (brake booster with master cylinder assembly), DTC P057113 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

P057113

Brake Switch "A" Circuit Open

While the vehicle speed is 5 km/h (3 mph) or more and the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects the stop light control relay malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for approximately 0.2 seconds or more.

Pre-collision system

Does not come on

CAUTION / NOTICE / HINT

HINT:

When DTC P057113 is stored by the dynamic radar cruise control system, DTC C1A4B is stored by the pre-collision system. Therefore, if DTC P057113 is stored, inspect the pre-collision system first.

PROCEDURE

1.

GO TO PRE-COLLISION SYSTEM

Click here

NEXT

END

    Operation Check

    Brake Switch "A" Signal Compare Failure (P057162)

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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