Lancer L4-2.4L (4B12) (2009)
Engine Control Module: Procedures
How to Perform Vehicle Identification Number (VIN) Writing
HOW TO PERFORM VEHICLE IDENTIFICATION NUMBER (VIN) WRITING
CAUTION
The F.A.S.T-Key (Free-hand Advanced Security Transmitter) is described as the Keyless Operation System (KOS) in this manual. (KOS is
indicated as F.A.S.T. in the M.U.T.-III display.)
Follow the procedure below to register the VIN of the Wireless Control Module (WCM) and the Keyless Operation System (KOS).
The VIN is stored in the engine control module (ECM), WCM, and the KOS-ECU. If the VIN is improperly erased, the engine warning light or the
keyless operation system warning indicator illuminate, and the diagnostic trouble code is displayed. When the ECM, WCM, and the KOS-ECU are
replaced, follow the procedure below to write the VIN.
Screen flow of scan tool (M.U.T.- III)
WRITING PROCEDURE
Required Special Tools:
^
MB991958: Scan Tool (M.U.T.-III Sub Assembly)
^
MB991824: V.C.I.
^
MB991827: M.U.T.-III USB Cable
^
MB991910: M.U.T.-III Main Harness A
CAUTION
Check that diagnostic trouble code P0603 "EEPROM fail" is not set. When diagnostic trouble code P0603 "EEPROM fail" is set, the ECM
cannot store the key code even if the key code is registered. If this diagnostic trouble code is set, troubleshoot the ECM and repair. Then