AWC Ecu Reprogramming For DTC C161E - Electric Pump System (TSB-11-22-002)

REPROGRAMMING PROCEDURE

BATTERY VOLTAGE (AS MEASURED AT THE BATTERY POSTS WITHOUT ELECTRICAL LOAD) MUST BE KEPT AT 12.4V OR HIGHER IN ORDER TO REPROGRAM THE ECM. MEASURE THE BATTERY VOLTAGE AND CHARGE AS NECESSARY. A BATTERY CHARGER SHOULD BE CONNECTED TO THE VEHICLE'S BATTERY DURING THE REPROGRAMMING PROCEDURE. DO NOT ALLOW THE BATTERY CHARGER TO TIME OUT. 

Connect the equipment as follows: 

• Turn the laptop computer on. If you're running on battery power and the charge indicator in the lower right hand corner of the screen does not show a full charge, it is recommended that either the laptop battery be charged prior to beginning, or that reprogramming be completed with the A/C power adaptor connected to the laptop.
• Connect the USB cable to the VCI.
• When the laptop displays the MUT-III main screen, connect the USB cable to the laptop.
• Connect the MUT-III main harness with the blue DLC connection to the VCI.
• Connect the blue connector of the MUT-III main harness to the vehicle's data link connector.
• Turn the VCI power switch ON. Verify that the indicator lamp in the upper right corner of the Screen is green.
  CAUTION: DO NOT DISTURB THE HARNESS CABLES OR CONNECTIONS. INTERRUPTION DURING THE REPROGRAMMING PROCESS COULD CAUSE THE CONTROL UNIT TO LOSE DATA OR PREVENT FUTURE REPROGRAMMING. IF THE USB CABLE IS DISCONNECTED DURING THIS PROCEDURE, A WARNING MESSAGE WILL DISPLAY.

AWC ECU Reprogramming Procedure 

1. Conduct the following steps to reprogram the AWC ECU.
   1. Turn the ignition key or knob (F.A.S.T. equipped) to the ON position. If the vehicle is equipped with the F.A.S.T. System, the fob must remain in the vehicle for the entire procedure.
   2. In the MEDIC main page, click on MUT-III.
   3. Select "Special Function."
   4. Select "ECU reprogramming."
   5. Select "Automatic Reprogramming (CAN)."
   6. Click on the car icon at the bottom of the page.
   7. If the VIN listed does not match the vehicle you are working on, click on the eraser icon at the bottom of the page.

      Click on the VIN button.

   8. Click on the icon in the lower RH corner of the screen to have the MUT-III automatically read the VIN. If a message appears saying that the VIN cannot be input automatically, manually type the 17 digit VIN into the VIN field.

      Make sure the VIN is correct and click on the check mark.

      A window may pop up asking you to select either the transmission type or vehicle class. Click the check mark to clear the window.

      Click on the CLASS button and make the appropriate selection from the menu.

      Vehicle class can be found on the Vehicle Information Code Plate riveted to the base of the RH B-pillar (see photo below). The class is part of the model code. Then click the check mark at the bottom of the page.

      Click the check mark to enter the class. Confirm that all of the data is correctly entered, then click the check mark at the bottom of the page.

   9. Select 5. ACD or 6. AYC/ACD  (as appropriate for the vehicle).

      Then click on the check mark at the bottom of the page.

   10. A message will advise you that the system will "Automatic search the data."

       Click on the check mark to continue.

       NOTE: If a "Complete Reprogramming" message is displayed, the AWC-ECU is already reprogrammed for this concern. If this message displays, do not  continue with this reprogramming procedure. This TSB does not apply.

       Click the check mark to clear the window, then click on the Home icon at the lower left corner of the screen to return to the System Select main page.

       If a "Complete Reprogramming" message does not  appear, continue with this procedure.

   11. The CAN database screen will display.

       Confirm the database number at the top right of the table is N11011  or higher.

       If more than one row is displayed in the table, select the appropriate ECM part number.

       Lancer Evolution 8631A040 

       Lancer & Sportback Ralliart 8631A235 

       Click on the check mark to continue.

   12. Click on the check mark to begin reprogramming. It may take up to 5 minutes to complete the reprogramming.
       CAUTION: The Daytime Running Lights and both the engine and condenser fans will automatically be turned on during reprogramming. Care should be taken to insure nothing gets caught in the moving blades. The radio will be turned off, instrument warning lights will illuminate and you will also hear a chime in the interior for a short period of time.
       These are normal conditions.
   13. This message will display when the reprogramming is successfully completed. Record the S/W (Software) Part No. and compare it to the "New Software P/N" in the table below.
   14. Turn the ignition key/knob to the OFF position, wait approximately 8 seconds, then turn it back on.

       Click the check mark and you will be returned to the "ECU Reprogramming" page.

       Click on the "Home" icon at the bottom left of the screen.

   ROM ID INFORMATION
   
   

   MODEL	DATA NO.	DISPLAY ON MUT-II AFTER REPROGRAMMING
   		New ECU Part No.	New Software P/N (ROM ID #)
   Lancer Evolution	8631B118	8631A040	8631A040-B
   Lancer Ralliart & Lancer Sportback Ralliart	8631B120	8631A235	8631A235-B

2. Disconnect the MUT-III and the battery charger.
3. Start the engine and check for the "SERVICE REQUIRED" warning light. If the light stays on after the self-check, check for DTCs. Refer to the service manual for appropriate DTC troubleshooting procedures.