Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Brake Pressure Control Solenoid "C" Control Circuit Short to Battery (C14F112,...,C14FA49)

Toyota Corolla Cross (2022-2025) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Gasoline Model) / Brake Pressure Control Solenoid "C" Control Circuit Short to Battery (C14F112,...,C14FA49)

DESCRIPTION

The ABS solenoid relay and reservoir cut solenoid valves are built into the brake actuator assembly.

When the brakes are operating, the reservoir cut solenoid valves supply brake fluid from the brake master cylinder reservoir assembly to the pump motor as necessary.

When this DTC is stored, the fail-safe function operates and the ABS solenoid relay is turned off to prevent the reservoir cut solenoid valves from operating.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C14F112

Brake Pressure Control Solenoid "C" Control Circuit Short to Battery

A short to +B in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14F114

Brake Pressure Control Solenoid "C" Control Circuit Short to Ground or Open

An open or short in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14F11C

Brake Pressure Control Solenoid "C" Control Circuit Voltage Out of Range

  • A current leak in the reservoir cut solenoid circuit is detected during the self test.
  • The reservoir cut solenoid valve operation request signal and reservoir cut solenoid valve operation feedback signal do not match for a certain period of time.

Skid control ECU (brake actuator assembly)

C14F11E

Brake Pressure Control Solenoid "C" Control Circuit Resistance Out of Range

An abnormal resistance in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14F149

Brake Pressure Control Solenoid "C" Control Internal Electronic Failure

An internal malfunction in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14FA12

Brake Pressure Control Solenoid "D" Control Circuit Short to Battery

A short to +B in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14FA14

Brake Pressure Control Solenoid "D" Control Circuit Short to Ground or Open

An open or short in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14FA1C

Brake Pressure Control Solenoid "D" Control Circuit Voltage Out of Range

  • A current leak in the reservoir cut solenoid circuit is detected during the self test.
  • The reservoir cut solenoid valve operation request signal and reservoir cut solenoid valve operation feedback signal do not match for a certain period of time.

Skid control ECU (brake actuator assembly)

C14FA1E

Brake Pressure Control Solenoid "D" Control Circuit Resistance Out of Range

An abnormal resistance in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

C14FA49

Brake Pressure Control Solenoid "D" Control Internal Electronic Failure

An internal malfunction in the reservoir cut solenoid circuit is detected during the self test.

Skid control ECU (brake actuator assembly)

PROCEDURE

1.

REPLACE BRAKE ACTUATOR ASSEMBLY

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