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Diagnosis Procedure
1.CHECK 12V BATTERY
  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 including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Check the connection of the 12V battery terminal. Fefer to Refer to PRECAUTIONS FOR REMOVING BATTERY TERMINAL. Refer to Removal and Installation.
  4. Check the 12V battery (Refer to Work Flow).
Is the inspection result normal?
Repair / replace harness or connector, securely lock the connector.
 
2.PERFORM SELF-DIAGNOSIS (1)
M.U.T.-III SE
  1. Connect the battery negative terminal.
  2. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  3. Repeat Step 2 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  4. 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.
  5. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  6. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  7. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  8. 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.
  9. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  10. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  11. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  12. Release the brake pedal.
  13. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC C18E9-45 detected?
INSPECTION END
 
3.Checking connector terminal
  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 including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Disconnect the battery negative terminal. Refer to Precautions for Removing Battery Terminal.
  4. Disconnect the electric driven intelligent brake unit wiring harness connector, and check that the pin terminal and its connection is normal.
Is the inspection result normal?
Repair / replace harness or connector, securely lock the connector.
 
4.PERFORM SELF-DIAGNOSIS (2)
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the battery negative terminal.
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  4. Repeat Step 3 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  5. 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.
  6. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  7. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  8. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  9. 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.
  10. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  11. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  12. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  13. Release the brake pedal.
  14. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC C18E9-45 detected?
INSPECTION END
 
5.Check of electric motor switch ON power supply
  1. Connect the battery negative terminal.
  2. 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.
  3. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  4. Disconnect the battery negative terminal. Refer to Precautions for Removing Battery Terminal.
  5. Disconnect the electric driven intelligent brake unit wiring harness connector.
  6. Connect the battery negative terminal. Refer to PRECAUTIONS FOR REMOVING BATTERY TERMINAL.
  7. Check the continuity between the electric driven intelligent brake unit wiring harness connector and body ground.
    Electric driven intelligent brake unit−Voltage
    ConnecterTerminal
    E41726Body groundApprox. 0 V
  8. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  9. Check the continuity between the electric driven intelligent brake unit wiring harness connector and body ground.
    Electric driven intelligent brake unit−Voltage
    ConnecterTerminal
    E41726Body ground10 - 16 V
Is the inspection result normal?
 
6.Check of electric motor switch ON power supply circuit
  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 including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Disconnect the battery negative terminal. Refer to Precautions for Removing Battery Terminal.
  4. Check the 15 A fuse (No. 62).
  5. Disconnect the IPDM E/R wiring harness connector.
  6. Check the continuity between the electric driven intelligent brake unit and IPDM E/R.
    Electric driven intelligent brake unitIPDM E/RContinuity
    ConnecterTerminalConnecterTerminal
    E12526E8464Continuity exists
  7. Check the continuity between the electric driven intelligent brake unit wiring harness connector and body ground.
    Electric driven intelligent brake unit−Voltage
    ConnecterTerminal
    E12526Body groundApprox. 0 V
Is the inspection result normal?
Troubleshoot the electric motor switch ON power supply system.Diagnosis Procedure.
Repair / replace harness or connector, securely lock the connector.
 
7.PERFORM SELF-DIAGNOSIS (3)
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the IPDM E/R wiring harness connector.
  3. Connect the battery negative terminal.
  4. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  5. Repeat Step 4 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  6. 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.
  7. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  8. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  9. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  10. 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.
  11. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  12. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  13. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  14. Release the brake pedal.
  15. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC C18E9-45 detected?
INSPECTION END
 
8.Checking 12V battery power supply
  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 including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Disconnect the battery negative terminal. Refer to Precautions for Removing Battery Terminal.
  4. Disconnect the electric driven intelligent brake unit wiring harness connector.
  5. Connect the battery negative terminal.
  6. Check the voltage between the electric driven intelligent brake unit wiring harness connector terminals.
    Electric driven intelligent brake unitVoltage
    ConnecterTerminal
    E4177 − 1110 − 16 V
    26 − 11
  7. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  8. Check the voltage between the electric driven intelligent brake unit wiring harness connector terminals.
    Electric driven intelligent brake unitVoltage
    ConnecterTerminal
    E4177 − 1110 − 16 V
    26 − 11
Is the inspection result normal?
 
9.Checking 12V battery power supply
  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 including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Disconnect the battery negative terminal. Refer to Precautions for Removing Battery Terminal.
  4. Check the 50 A fuse (No. 26).
  5. Check the continuity and short circuit between the electric driven intelligent brake unit wiring harness connector terminal No. 1 and the 50 A fusible link (No. 26).
  6. Check the 10 A fuse (No. 42).
  7. Check the continuity and short circuit between the electric driven intelligent brake unit wiring harness connector terminal No. 28 and the 10 A fuse (No. 42).
Is the inspection result normal?
Check the 12V battery (Refer to Work Flow).
Repair / replace harness or connector, securely lock the connector.
 
10.PERFORM SELF-DIAGNOSIS (4)
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the battery negative terminal.
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  4. Repeat Step 3 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  5. 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.
  6. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  7. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  8. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  9. 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.
  10. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  11. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  12. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  13. Release the brake pedal.
  14. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC C18E9-45 detected?
INSPECTION END
 
11.Checking ground
  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 including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  3. Disconnect the battery negative terminal. Refer to Precautions for Removing Battery Terminal.
  4. Disconnect the electric driven intelligent brake unit wiring harness connector.
  5. Check the continuity between the electric driven intelligent brake unit and body ground.
    Electric driven intelligent brake unit–Continuity
    ConnecterTerminal
    E12514, 46Body groundContinuity exists
Is the inspection result normal?
Repair / replace harness or connector, securely lock the connector.
 
12.PERFORM SELF-DIAGNOSIS (5)
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the battery negative terminal.
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  4. Repeat Step 3 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  5. 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.
  6. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  7. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  8. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  9. 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.
  10. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  11. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  12. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  13. Release the brake pedal.
  14. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC C18E9-45 detected?
INSPECTION END
 
13.CHECK DATA MONITOR
M.U.T.-III SE
  1. Connect the electric driven intelligent brake unit wiring harness connector.
  2. Connect the battery negative terminal.
  3. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  4. Repeat Step 3 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  5. Start the M.U.T.-III SE, then select "EBA" and "Data List" in order.
  6. Check "iB Power Supply Battery" and "iB Power Supply ECU" (Refer to Reference Value).
Is the inspection result normal?
Replace the electric driven intelligent brake unit. Refer to Removal and installation.
 
14.PERFORM SELF-DIAGNOSIS (6)
M.U.T.-III SE
  1. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  2. Repeat Step 1 twice or more.
    cautionWait for 5 seconds or more after the power supply mode of the electric motor switch is changed to OFF.
  3. 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.
  4. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  5. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  6. Start the M.U.T.-III SE, then erase the DTC set in "EBA".
  7. 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.
  8. Close all the doors including the back door, then confirm that the room light turns off and wait for 3 minutes or more outside the vehicle in that state.
    cautionWhile waiting, do not touch the vehicle.
  9. Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
    cautionDo not set the vehicle to the READY status.
  10. Depress the brake pedal 100 mm (3.9in) or more, the keep that state for 5 seconds or more.
  11. Release the brake pedal.
  12. Start the M.U.T.-III SE, then perform the self-diagnosis of "EBA".
Is DTC C18E9-45 detected?
Replace the electric driven intelligent brake unit. Refer to Removal and installation.
INSPECTION END