MSB is released for this page as follows:
Release DateSubjectMSB No.
2013-10-10Power switch operation at the time of the M.U.T-III communicationMSB-13EXML00-003

HOW TO PERFORM CHASSIS NUMBER (CHASSIS NO.) WRITING


Write the Chassis Number (Chassis No.) of immobilizer system as following procedure.
The Chassis Number (Chassis No.) is stored in the EV-ECU, ETACS-ECU or electric motor control unit (EMCU) by the vehicle manufacture. If the Chassis No. to be stored in the EV-ECU, ETACS-ECU or EMCU is eliminated fraudulently, the electric motor warning lamp illuminates and Diagnostic Trouble Code (diagnosis code) No.P0630 (Chassisi No. not programmed) <EV-ECU, EMCU>, No.B1761 (Chassisi No. not programmed) <ETACS-ECU> is shown. When the EV-ECU, ETACS-ECU or EMCU is replaced, and entry of the Chassis No. necessary due to diagnosis code No. P0630 (Chassisi No. not programmed) <EV-ECU, EMCU>, No.B1761 (Chassisi No. not programmed) <ETACS-ECU>. Enter the Chassis No. in accordance with the procedure as follows:
Screen Flow of M.U.T.-III


CHASSIS NUMBER REGISTRATION PROCEDURE FOR EV-ECU


caution
  • Check that diagnosis code No.P062F (EEPROM malfunction) is not set. If diagnosis code No.P062F (EEPROM malfunction) is set, entered Chassis No. cannot be stored. Therefore, carry out troubleshooting and repair the malfunction when this code is set.
  • To prevent damage to M.U.T.-III, always turn the electric motor switch to the "LOCK" (OFF) position before connecting or disconnecting M.U.T.-III.


Connect the M.U.T.-III to the 16-pin diagnosis connector, and read the diagnosis code.
note For details on how to use the M.U.T.-III, refer to the "M.U.T.-III operation manual."
1.Ensure that the electric motor switch is at the "LOCK" (OFF) position.
2.Start up the personal computer.
3.Connect special tool M.U.T.-III USB cable (MB991827) to V.C.I. (MB991824) and the personal computer.
4.Connect special tool M.U.T.-III main harness A (MB991910) to the V.C.I.
5.Connect the M.U.T.-III main harness A to the diagnosis connector.
6.Turn the V.C.I. power switch to the "ON" position.
note When the V.C.I. is energized, the V.C.I. indicator lamp will be illuminated in a green colour.
7.Start the M.U.T.-III system on the personal computer and turn the electric motor switch to the "ON" position.

8.Select "IMMOBILIZER" in the "System Select" tag. Select the model year and push the OK button (Check each model if there is an option). Select "Special Function" on the next screen, and select "ENG/EV Key Code Reg. & Chassis No./VIN Writing" on the further screen.

9.Push the OK button after "Key Code Registration" is displayed.
10.Push the OK button after "Completed. Press the OK button and move to Chassis No./VIN writing function." is displayed.

11.Enter the Chassis No. of registering vehicle and push the OK button.
12.Push the OK button after "Chassis No./VIN Writing will start. Are you sure?" is displayed.
13.Return to the previous screen and "Executing" is displayed at the lower-left corner on the screen.
14.Push the OK button after "Completed." is displayed.

15.Chassis No. writing result is displayed.
16.Select "Chassis No./VIN Information" on the "Coding" screen after the Chassis No. writing is completed, and check that the Chassis No. is changed.
17.Select "Key Code agreement confirmation" from the "Special Function" screen.Carry out the key code agreement confirmation.
18.Terminate the M.U.T.-III.
19.Disconnecting the M.U.T.-III is the reverse of the connecting sequence, making sure that the electric motor switch is at the "LOCK" (OFF) position.

CHASSIS NUMBER REGISTRATION PROCEDURE FOR ETACS-ECU.




Connect the M.U.T.-III to the 16-pin diagnosis connector, and read the diagnosis code.
note For details on how to use the M.U.T.-III, refer to the "M.U.T.-III operation manual."
1.Ensure that the electric motor switch is at the "LOCK" (OFF).
2.Start up the personal computer.
3.Connect M.U.T.-III USB cable (MB991827) to special tool Vehicle Communication Interface (V.C.I.) (MB991824) and the personal computer.
4.Connect M.U.T.-III main harness A (MB991910) to the V.C.I.
5.Connect the M.U.T.-III main harness A to the diagnosis connector.
6.Turn the V.C.I. power switch to the "ON" position.
note When the V.C.I. is energized, the V.C.I. indicator lamp will be illuminated in a green colour.
7.Start the M.U.T.-III system on the personal computer and turn the electric motor switch to the "ON" position.

8.Select "IMMOBILIZER" in the "System Select" tag. Select the model year and push the OK button (Check each model if there is an option).Select "Coding" on the next screen, and select "Chassis No./VIN Writing" on the further screen.

9.Enter the Chassis No. of registering vehicle and push the OK button.
10.Push the OK button after "Chassis No./VIN Writing will start. Are you sure?" is displayed.
11.Return to the previous screen and "Executing" is displayed at the lower-left corner on the screen.
12.Push the OK button after "Completed." is displayed.

13.Chassis No. writing result is displayed.
14.Select "Chassis No./VIN Information" on the "Coding" screen after the Chassis No. writing is completed, and check that the Chassis No. is changed.
15.Resister the other ID code.(Refer to GROUP 54A, Immobilizer system - On-vehicle service )

CHASSIS NUMBER REGISTRATION PROCEDURE FOR EMCU


caution
  • Before the chassis No. registration to EMCU, check that the chassis Nos. of EV-ECU and vehicle are matched.
  • Check that diagnosis code No.P062F (EEPROM malfunction) is not set. If diagnosis code No.P062F (EEPROM malfunction) is set, entered Chassis No. cannot be stored. Therefore, carry out troubleshooting and repair the malfunction when this code is set.
  • To prevent damage to M.U.T.-III, always turn the electric motor switch to the "LOCK" (OFF) position before connecting or disconnecting M.U.T.-III.


Connect the M.U.T.-III to the 16-pin diagnosis connector as follows.
note For details on how to use the M.U.T.-III, refer to the "M.U.T.-III User’s Manual."
1.Ensure that the electric motor switch is at the "LOCK" (OFF) position.
2.Start up the personal computer.
3.Connect special tool USB cable (MB991827) to special tool V.C.I. (MB991824) and the personal computer.
4.Connect special tool M.U.T.-III main wiring harness A (MB991910) to the V.C.I.
5.Connect M.U.T.-III main wiring harness A to the diagnosis connector of the vehicle.
6.Turn the V.C.I. power switch to the "ON" position.
note When the V.C.I. is energised, the V.C.I. indicator lamp will be illuminated in a green colour.
7.Start the M.U.T.-III system on the PC and turn the electric motor switch to the "ON" position.

8.Select "MCU" button from the "System Select" screen. Then, select the applicable option code item and push the OK button.
9.Select "Coding" on the next screen.

10.Select "Chassis No. Writing" on "Coding" screen.

11.Push the OK button after the Chassis No. written in the EV-ECU is displayed.
12.Push the OK button after "Chassis No./VIN Writing will start. Are you sure?" is displayed.
13.Push the OK button after "Completed." is displayed.

14.Result of Chassis No. writing is displayed.





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