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Diagnosis Procedure
1.CHECK BCM SYSTEM
With M.U.T.-III SE
Perform Diagnostic Trouble Code for “BCM".
Is DTC detected?
Check the DTC. Refer to DTC IndexDTC Index.
.
 
2.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT
Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
.
Repair / replace harness, connector, terminal, fuse, or fusible link.
 
3.CHECK CONNECTOR AND TERMINAL
  1. Disconnect 12V battery negative terminal.
  2. Disconnect BCM harness connector.
  3. Disconnect ABS actuator and electric unit (control unit) harness connector.
  4. Check the connector for disconnection or looseness.
  5. Check the terminals for damage or loose connection with harness connector.
Is the inspection result normal?
.
Repair / replace harness, connector, or terminal, securely lock the connector. .
 
4.PERFORM DIAGNOSTIC TROUBLE CODE
With M.U.T.-III SE
  1. Connect BCM harness connector.
  2. Connect ABS actuator and electric unit (control unit) harness connector.
  3. Connect 12V battery negative terminal.
  4. Erase Diagnostic Trouble Code result for “ABS".
  5. Electric motor switch OFF (Auto ACC function OFF).
  6. Electric motor switch ON.
    noteWait at least 10 seconds after electric motor switch ON.
  7. Perform Diagnostic Trouble Code for “ABS".
Is DTC detected?
Check the DTC. Rfer to DTC Index.
INSPECTION END