|
- Using M.U.T.-III, perform CAN busline diagnosis.
|
|
Q.
Is the check result normal?
|
|
Correct CAN busline (Refer to 54C - Troubleshooting - Can Bus Diagnostics Table ), and then go to Step 3 .
|
|
|
|
Reconfirm whether the diagnosis codes are output from engine-ECU.
|
|
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
|
|
Q.
Are the diagnosis codes output?
|
|
YES : Replace engine-ECU. When the engine-ECU is replaced, write the chassis number (Refer to GROUP 00 - How to Perform Chassis Number Writing ). After replacing the engine-ECU, register the injector identification code and learn fuel injection (Refer to GROUP 00 - Precautions Before Service - What The Common Rail Engine Learns ), and then go to Step 3 .
|
|
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
|
|
|
|
Reconfirm whether the diagnosis codes are output from engine-ECU.
|
|
- Erase the diagnosis codes being output.
- Ignition switch: "LOCK" (OFF) to ON
- Confirm whether the diagnosis codes are output.
|
|
Q.
Are the diagnosis codes output?
|