Code No. P0630: Chassis Number not Programmed


FUNCTION



  • The chassis number is stored in the engine-ECU by the vehicle manufacturer.

TROUBLE JUDGMENT


Check Condition
  • Ignition switch is "ON" position.
Judgment Criterion
  • The entered chassis number data history is not found.

PROBABLE CAUSE



  • Tha chassis number is not entered.
  • Failed engine-ECU.

DIAGNOSIS PROCEDURE

STEP 1. Check VIN information.

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

Q. Has VIN (current) been written?
Go to Step 2 .
Write VIN. Go to Step 3

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

    Reconfirm whether the diagnosis code is output.

  1. Erase the diagnosis codes being output.
  2. Ignition switch: "LOOK" (OFF) to ON.
  3. Confirm whether the diagnosis code is 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 - 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 (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 output.

  1. Erase the diagnosis codes being output.
  2. Ignition switch: "LOOK" (OFF) to ON.
  3. Confirm whether the diagnosis code is 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 - 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 ).
The check is end.