[Previous][Next]
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS (1)
M.U.T.-III SE
Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is only the DTC "C18EA-01" detected? Or Are only the DTCs "C18EA-01" and "C18F9-02" detected?
-1When the DTC "C18F9-02" and other DTCs are detected: Troubleshoot the detected DTCs.
-2When no DTC is detected: The procedure is complete.
 
2.Check of brake system warning light
  1. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  2. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
Does the brake system warning light illuminates?
INSPECTION END
 
3.PERFORM SELF-DIAGNOSIS FOR "ABS"
M.U.T.-III SE
  1. Use the M.U.T.-III SE, then erase the DTC set in the "ABS".
  2. Use the M.U.T.-III SE, then perform self-diagnosis for "ABS".
Is DTC detected?
Troubleshoot the detected DTC.
 
4.PERFORM SELF-DIAGNOSIS (2)
M.U.T.-III SE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Erase the DTC set in "EBA".
  3. Disconnect the M.U.T.-III SE from the data link connector after turning OFF the electric motor switch to turn off the auto ACC function. Then wait for 1 minute or more without touching the vehicle.
  4. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  5. Perform self-diagnosis for "EBA".
Is the DTCs "C18EA-01" and "C18F9-02" detected?
-1When only DTC "C18EA-01" is detected:
-2When the DTC "C18F9-02" and other DTCs are detected: Troubleshoot the detected DTCs.
-3When no DTC is detected: The procedure is complete.
 
5.Check of brake system warning light
M.U.T.-III SE
  1. Disconnect the M.U.T.-III SE from the data link connector after turning OFF the electric motor switch to turn off the auto ACC function. Then wait for 1 minute or more without touching the vehicle.
  2. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
Does the brake system warning light illuminates?
INSPECTION END
 
6.12V BATTERY CHECK
  1. Change the power supply mode of the electric motor switch to OFF, then disconnect the M.U.T.-III SE from the data link connector.
  2. Close all the doors (excluding back door), and disconnect the M.U.T.-III SE from the data link connector after turning OFF the electric motor switch to turn OFF the auto ACC function. Then wait for 1 minute or more without touching the vehicle.
  3. Check the connection of the 12V battery terminal.
  4. Check the 12V battery. Refer to Refer to Precautions for Removing Battery Terminal.
Is the inspection result normal?
Repair / replace harness or connector, securely lock the connector.
 
7.PERFORM SELF-DIAGNOSIS (3)
M.U.T.-III SE
  1. Connect the 12V battery terminal.
  2. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  3. Erase the DTC set in "EBA".
  4. Disconnect the M.U.T.-III SE from the data link connector after turning OFF the electric motor switch to turn off the auto ACC function. Then wait for 1 minute or more without touching the vehicle.
  5. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  6. Perform self-diagnosis for "EBA".
Is the DTCs "C18EA-01" and "C18F9-02" detected?
-1When only DTC "C18EA-01" is detected:
-2When the DTC "C18F9-02" and other DTCs are detected: Troubleshoot the detected DTCs.
-3When no DTC is detected: The procedure is complete.
 
8.Check of brake system warning light
  1. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  2. Disconnect the 12V battery negative terminal.
Does the brake system warning light illuminates?
INSPECTION END
 
9.CHECK CONNECTOR TERMINAL
  1. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  2. Disconnect the 12V battery negative terminal.
  3. Disconnect the electric driven intelligent brake unit wiring harness connector, then check the terminals and the connection.
Is the inspection result normal?
Repair / replace harness, connector, or terminal.
 
10.PERFORM SELF-DIAGNOSIS (3)
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the 12V battery negative terminal.
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
  4. Disconnect the M.U.T.-III SE from the data link connector after turning OFF the electric motor switch to turn off the auto ACC function. Then wait for 1 minute or more without touching the vehicle.
  5. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  6. Erase the DTC set in "EBA".
  7. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  8. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
    cautionDo not set the vehicle to the READY status.
  9. Perform self-diagnosis for "EBA".
Is the DTCs "C18EA-01" and "C18F9-02" detected?
-1When only DTC "C18EA-01" is detected:
-2When the DTC "C18F9-02" and other DTCs are detected: Troubleshoot the detected DTCs.
-3When no DTC is detected: The procedure is complete.
 
11.Check of brake system warning light
  1. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  2. Disconnect the 12V battery negative terminal.
Does the brake system warning light illuminates?
INSPECTION END
 
12.CHECK THE ELECTRIC DRIVEN INTELLIGENT BRAKE UNIT POWER SUPPLY AND GROUND CIRCUIT
  1. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  2. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  3. Disconnect the 12V battery negative terminal.
  4. Disconnect the electric driven intelligent brake unit wiring harness connector.
  5. Check the power supply and ground circuit of the electric driven intelligent brake unit. Refer to Removal and installation.
Is the inspection result normal?
-1Repair / replace harness, connector, terminal, fuse or fusible link, securely lock the connector.
 
13.PERFORM SELF-DIAGNOSIS (4)
M.U.T.-III SE
  1. Disconnect the M.U.T.-III SE from the data link connector after turning OFF the electric motor switch to turn off the auto ACC function. Then wait for 1 minute or more without touching the vehicle.
  2. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  3. Erase the DTC set in "EBA".
  4. After the electric motor switch is turned OFF, disconnect the M.U.T.-III SE from the data link connector, then wait for 1 minute or more without touching the vehicle with the auto ACC function turned OFF.
  5. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  6. Perform self-diagnosis for "EBA".
Is DTC "C18F9-02" detected?
-1When only DTC "C18F9-02" is detected: Replace the electric driven intelligent brake unit (Refer to Removal and installation).
-2When DTC other than "C18F9-02" is detected: Troubleshoot the detected DTCs.
INSPECTION END