DTC 51

Troubleshooting/ABS Pump Motor (Part 1 Of 3):

Troubleshooting/ABS Pump Motor (Part 2 Of 3):

Troubleshooting/ABS Pump Motor (Part 3 Of 3):

PROBABLE CAUSE
- Open in the motor power source circuit.
- Open in the motor GND circuit.
- Faulty pump motor.
- Faulty ABS control unit.

CONDITION FOR DETECTION
- The pump motor is activated once or twice after every ignition switch ON (II) operation while the vehicle accelerates, then the motor drive voltage is checked. When the voltage is abnormal, the ABS indicator light comes on.
- After ABS control completion, the motor switched is off and the main CPU checks the motor drive voltage. When the voltage is abnormal, the ABS indicator light comes on.