Description

The ABS motor relay supplies the power to the ABS pump motor. While the ABS is activated, the skid control ECU switches the motor relay ON and operates the ABS pump motor.

DTC No.

DTC Detecting Conditions

Trouble Areas

C0273/13

When either of following conditions (1 or 2) detected:

1. All of following conditions continue for 0.2 seconds or more.

(a) IG1 terminal voltage between 9.5 V and 17.2 V.

(b) During initial check or ABS operation.

(c) Relay contact open when relay on.

2. Both of following conditions continue for 0.2 seconds or more.

(a) IG1 terminal voltage 9.5 V or less.

(b) Relay contact remains open when relay on.

• Brake actuator (skid control ECU)

C0274/14

When motor relay off, motor relay remains closed for 4 seconds or more.

• Brake actuator (skid control ECU)

HINT:

C0273/13 and C0274/14: The skid control ECU begins to detect these DTCs when the vehicle speed exceeds 4 mph (6 km/h).

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