Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Left Rear Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12D112,...,C12DC49)

Toyota Corolla Cross (2022-2024) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Gasoline Model) / Left Rear Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12D112,...,C12DC49)

DESCRIPTION

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

The rear solenoid valve LH controls the brake fluid pressure of the rear wheel cylinder LH of the vehicle.

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C12D112

Left Rear Wheel ABS Hold Solenoid Control Circuit Short to Battery

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

Skid control ECU (brake actuator assembly)

C12D114

Left Rear Wheel ABS Hold Solenoid Control Circuit Short to Ground or Open

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

Skid control ECU (brake actuator assembly)

C12D11C

Left Rear Wheel ABS Hold Solenoid Control Circuit Voltage Out of Range

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

Skid control ECU (brake actuator assembly)

C12D11E

Left Rear Wheel ABS Hold Solenoid Control Circuit Resistance Out of Range

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

Skid control ECU (brake actuator assembly)

C12D149

Left Rear Wheel ABS Hold Solenoid Control Internal Electronic Failure

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

Skid control ECU (brake actuator assembly)

C12DC12

Left Rear Wheel ABS Release Solenoid Control Circuit Short to Battery

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

Skid control ECU (brake actuator assembly)

C12DC14

Left Rear Wheel ABS Release Solenoid Control Circuit Short to Ground or Open

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

Skid control ECU (brake actuator assembly)

C12DC1C

Left Rear Wheel ABS Release Solenoid Control Circuit Voltage Out of Range

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

Skid control ECU (brake actuator assembly)

C12DC1E

Left Rear Wheel ABS Release Solenoid Control Circuit Resistance Out of Range

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

Skid control ECU (brake actuator assembly)

C12DC49

Left Rear Wheel ABS Release Solenoid Control Internal Electronic Failure

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

Skid control ECU (brake actuator assembly)

PROCEDURE

1.

REPLACE BRAKE ACTUATOR ASSEMBLY

Click here

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END

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