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Diagnosis Procedure
1.CHECK DATA MONITOR
With M.U.T.-III SE
  1. Electric motor switch ON.
    cautionBe sure wait of 10 seconds after electric motor switch ON.
  2. Select “ABS", “Data List" and “PB SW" according to this order. Check that data monitor displays when parking brake switch is pull, neutral or push. Refer to Reference Value.
Is the inspection result normal?
.
.
 
2.CHECK CONNECTOR
  1. Disconnect 12V battery negative terminal.
  2. Check the parking brake switch harness connector for disconnection or looseness.
  3. Check ABS actuator and electric unit (control unit) terminals for damage or loose connection with harness connector.
Is the inspection result normal?
.
Repair/replace harness or connector. .
 
3.CHECK PARKING BRAKE SWITCH CIRCUIT
  1. Disconnect the parking brake switch harness connector.
  2. Disconnect the ABS actuator and electric unit (control unit) harness connector.
  3. Check the continuity between ABS actuator and electric unit (control unit) harness connector and parking brake switch harness connector.
    ABS actuator and electric unit (control unit)Parking brake switchContinuity
    ConnectorTerminalConnectorTerminal
    E12534M1829Existed
    317
    166
    325
    153
  4. Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground.
    ABS actuator and electric unit (control unit)Continuity
    ConnectorTerminal
    E12534GroundNot existed
    31
    16
    32
    15
Is the inspection result normal?
.
Repair/replace harness or connector. .
 
4.CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to Component Inspection.
Is the inspection result normal?
.
Replace the parking brake switch. Refer to Removal and Installation.
 
5.CHECK TERMINAL
  1. Check parking brake switch terminals for damage or loose connection with harness connector.
  2. Check ABS actuator and electric unit (control unit) terminals for damage or loose connection with harness connector.
Is the inspection result normal?
.
Repair/replace harness, connector, or terminal. .
 
6.PERFORM DIAGNOSTIC TROUBLE CODE
With M.U.T.-III SE
  1. Connect the parking brake switch harness connector.
  2. Connect the ABS actuator and electric unit (control unit) harness connector.
  3. Connect 12V battery negative terminal.
  4. Electric motor switch ON.
  5. Apply and release the parking brake five times.
  6. Perform Diagnostic Trouble Code for “ABS".
Is DTC “C10B2-64" detected?
-1"Active DTC" is displayed: Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.
-2“Stored DTC" is displayed: INSPECTION END (Erase the memory of Diagnostic Trouble Code results.)
INSPECTION END