Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Brake Switch "A" Circuit Open (P057113)

Toyota Corolla Cross (2022-2025) Service Manual / Engine & Hybrid System / Hybrid / Battery Control / Hybrid Control System / 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 signal from the skid control ECU (brake booster with master cylinder assembly) indicating a malfunction of the stop light control relay, DTC P057113 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

Note

P057113

Brake Switch "A" Circuit Open

When the dynamic radar cruise control system is operating, the hybrid vehicle control ECU detects a signal indicating a stop light control relay malfunction from the skid control ECU (brake booster with master cylinder assembly) for approximately 1 second or more.

(1 trip detection logic)

Electronically controlled brake system

Does not come on

Master Warning:

Does not come on

SAE Code:

P0571

PROCEDURE

1.

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

HINT:

If DTC P057113 is output by the dynamic radar cruise control system, perform troubleshooting for the electronically controlled brake system first.

Click here

NEXT

END

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