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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Brake Control System) >> Anti-Lock Brake System >> DTC C0273/13 Open in ABS Motor Relay Circuit; DTC C0274/14 Short to B+ in ABS Motor Relay Circuit >> Description

DTC C0273/13 Open in ABS Motor Relay Circuit; DTC C0274/14 Short to B+ in ABS Motor Relay Circuit: Description

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

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 DETECTION CONDITION AND TROUBLE AREA REFERENCE

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.
    1. IG1 terminal voltage between 9.5 V and 17.2 V.
    2. During initial check or ABS operation.
    3. Relay contact open when relay on.
  2. Both of following conditions continue for 0.2 seconds or more.
    1. IG1 terminal voltage 9.5 V or less.
    2. Relay contact remains open when relay on.
  • ABS1/VSC1 fuse
  • Wire harness (+BM circuit)
  • Brake actuator (skid control ECU)
C0274/14 When motor relay off, motor relay remains closed for 4 seconds or more.
  • ABS1/VSC1 fuse
  • Wire harness (+BM circuit)
  • 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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