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Home >> Mitsubishi >> 1995 >> Eclipse L4-1996cc 2.0L DOHC >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Technical Service Bulletins >> All Technical Service Bulletins >> PCM - Driveability Concerns/DTC's Set >> Service Procedure >> Overview

Service Procedure: Overview

PROCEDURE (FOR DTC 111 and 126)

1. Perform the following diagnostic procedures:

a. Follow the appropriate DTC diagnostic troubleshooting chart and/or Inspection Procedure for Trouble Symptoms chart provided in the 1995 Eclipse service manual.





b. Manual Transmission with DTC 111 Only: Remove the pulsed secondary air injection (aspirator) valve.





Check the valve by blowing air through it from side A to side B. If you can blow air through the valve from side A to side B, replace the valve.

Continue with Steps 2 and 3.

2. If any malfunction is found during the troubleshooting procedures, repair as needed. Then perform a road test to determine if the problem is eliminated. Be sure to duplicate the symptom conditions (e.g. cold ambient temperatures, etc.) during the road test.

If DTCs other than DTC 111 and DTC 126 are read with the scan tool, repair the problem using the appropriate DTC troubleshooting chart in the 1995 Eclipse service manual. Then perform a road test and retest to determine if the DTC is eliminated.

3. If no malfunction is found and the problem is not eliminated:

^ On vehicles produced on or before 6/16/94, reprogram the PCM as described in the PCM REPROGRAMMING section of this bulletin, using Reprogramming Cartridge MIT992006 for DTC 111 and 126.

^ On vehicles produced from 6/17/94 to 9/10/94, install a new, recalibrated PCM. Do not attempt to reprogram the PCM on these vehicles. Replace the PCM with the appropriate part number listed in the chart on the next page of this bulletin. After installation, affix an "Engine Compartment" label as described in Step 10 of the PCM REPROGRAMMING section of this bulletin. (Do not use the "Control Module" label.)





Refer to the chart for appropriate repairs, PCM part numbers and reprogramming cartridges.

PROCEDURE (FOR DTC 113)

1. Follow the DTC 113 diagnostic troubleshooting chart. If any malfunction is found during the troubleshooting procedures, repair as needed.

If DTCs other than DTC 113 are read with the scan tool, repair the problem using the appropriate DTC troubleshooting chart. Then perform a road test and retest to determine if the DTC is eliminated.

2. Reprogram the PCM as described in the PCM REPROGRAMMING section of this bulletin, using Reprogramming Cartridge MIT992007 for DTC 113.
3. If DTC 113 is read with the scan tool and a new PCM (Part No. MO5269656 or MO5269653) was previously installed on a vehicle produced between 6/16/94 and 9/10/94 to eliminate DTC 111, DTC 126 or poor driveability, reprogram the PCM as described in the PCM REPROGRAMMING section of this bulletin, using Reprogramming Cartridge MIT992007 for DTC 113.





Refer to the chart for appropriate repairs, PCM part numbers and reprogramming cartridges. Then check the current PCM part number on the vehicle and refer to Attachment 1 to confirm the appropriate repair action.


PCM REPROGRAMMING

1. Gather the following equipment which is contained in Reprogramming Kit MIT992OOO-A:

DESCRIPTION TOOL NO./PART NO.

Reprogramming Unit MIT992OOO
Reprogramming Cartridge MIT992006 (for DTC 111 or 126)
Reprogramming Cartridge MIT992007 (for DTC 113)

EATXIII/Engine Harness MIT992001
"Engine Compartment" and "Control MSSF-023G-00
Module" Labels

2. Follow the procedures in the Reprogramming Unit Instruction Manual for connecting the EATXIII harness, installing the appropriate cartridge into the reprogramming unit, and connecting it to the vehicle.
3. Follow the displayed instructions on the reprogramming unit.
4. The display will ask if you want to change the engine controller part number. Select Yes. Reprogramming will begin.
5. The current and replacement PCM part numbers will display. Record the displayed replacement PCM part number.
6. If the PCM cannot be reprogrammed, the displayed current and replacement PCM part numbers will be the same, or the message "THIS CARTRIDGE CANNOT UPDATE ENGINE CONTROLLER P/N XXX" will display. If so, do not continue with this reprogramming procedure. Refer to the appropriate diagnostic instructions in the service manual.
7. Follow the displayed instructions on the reprogramming unit to continue with the reprogramming process. When completed, disconnect the reprogramming unit and EATX111 harness.
8. Using a ball-point pen, enter the replacement PCM part number (noted in Step 5 above), your dealer code, and the current date on the "Control Module" label.





9. Affix the "Control Module" label to the side of the PCM.





10. Using a ball-point pen, enter the replacement PCM part number, this TSB number (TSB-95-13-001), your dealer code, and the current date on the "Engine Compartment" label.





Carefully remove all dirt and oil from the vacant area shown on the underside of the hood. Affix the "Engine Compartment" label in the area shown.
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