Code No. P0630: Chassis Number not Programmed




FUNCTION




TROUBLE JUDGMENT


Check Condition
Judgment Criterion

FAIL-SAFE AND BACKUP FUNCTION




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check chassis number information.



  • Set M.U.T.-III to the coding mode for chassis number information.

Q. Has chassis number been written?

Go to Step 2.
Write chassis number. Go to Step 3.

STEP 2. M.U.T.-III diagnosis code.



  • Reconfirm whether the diagnosis code is set.

  • Erase the diagnosis codes being set.
  • Ignition switch: "LOOK" (OFF) to ON.
  • Confirm whether the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the engine-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).

STEP 3. M.U.T.-III diagnosis code.



  • Reconfirm whether the diagnosis code is set.

  • Erase the diagnosis codes being set.
  • Ignition switch: "LOOK" (OFF) to ON.
  • Confirm whether the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the engine-ECU.
The check is end.