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Diagnosis Procedure
1.CHECK CONNECTOR
  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
.
Repair the terminal and connector.
 
2.CHECK HARNESS FOR OPEN CIRCUIT
  1. Disconnect the connector of ABS actuator and electric unit (control unit).
  2. Check the resistance between the ABS actuator and electric unit (control unit) harness connector terminals.
    ABS actuator and electric unit (control unit) harness connectorResistance (Ω)
    Connector No.Terminal No.
    E125519Approx. 108 – 132
Is the measurement value within the specification?
.
Repair the ABS actuator and electric unit (control unit) branch line.
 
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to Diagnosis Procedure.
Is the inspection result normal?
(Present error)Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.
(Past error)Error was detected in the ABS actuator and electric unit (control unit) branch line.
Repair the power supply and the ground circuit.