Diagnostic Procedure

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

STEP 1. Scan tool CAN bus diagnostics
Using scan tool MB991958, diagnose the CAN bus lines.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Repair the CAN bus lines. (Refer to TROUBLESHOOTING .) After repairing the CAN bus line, go to Step 2.
STEP 2. Check whether the DTC is reset.
Q: Is DTC No. C1617 set?

YES : Go to Step 3.

NO : This diagnosis is complete.
STEP 3. Scan tool diagnostic trouble code
Check if the AWC-related DTC No. U0100, U0101, U0121, U0126, or U0141 is set.(Refer to DIAGNOSTIC TROUBLE CODE CHART .)

Q: Is the DTC set?

YES : Perform the relevant troubleshooting.

NO : Go to Step 4.
STEP 4. Scan tool diagnostic trouble code
- Check the engine diagnostic trouble code. (Refer to TROUBLESHOOTING .)
- Check the ASC diagnostic trouble code. (Refer to TROUBLESHOOTING .)
- Check the ETACS diagnostic trouble code. (Refer to TROUBLESHOOTING .)
Q: Is the DTC set?

YES : Perform the relevant troubleshooting.

NO : Go to Step 5.
STEP 5. Check whether the DTC is reset.
Q: Is DTC No. C1617 set?

YES : Replace the AWC-ECU.(Refer to AWC-ECU .) Then go to Step 6.

NO : Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION .)
STEP 6. Check whether the DTC is reset.
Q: Is DTC No. C1613 set?

YES : Return to Step 1.

NO : This diagnosis is complete.