|
- Using M.U.T.-III, perform CAN busline diagnosis.
|
|
Q.
Is the check result normal?
|
|
Correct CAN busline (Refer to
GROUP 54D - Troubleshooting - Can Bus Diagnostics Table ), and then go to Step
3.
|
|
|
|
- Confirm whether the diagnosis codes are output from
immobilizer-ECU.
|
|
Q.
Is the diagnosis code output?
|
|
Perform the troubleshooting of
immobilizer system (Refer to GROUP 54A - Troubleshooting -
Check Chart for Diagnosis Chart ).
|
|
|
|
- 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.
Is the diagnosis code output?
|
|
Replace the engine-ECU. When the
engine-ECU is replaced, write the chassis number (Refer to GROUP 00 -
Precautions Before Service - 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 ).
|
|
|
|
Intermittent malfunction in CAN
busline between engine-ECU and immobilizer-ECU (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection Service Points - How to Cope
with Intermittent Malfunction ).
|
|
|