Diagnostic Procedure

WARNING: This page is about a different car, the 2015 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?
1. YES: Go to Step 3.
2. 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 the relevant wheel speed sensor diagnostic trouble code No. C1011 < FL >, C101C < FR >, C1027 < RL >, or C1032 < RR > set?
1. YES: Go to Step 3.
2. NO: This diagnosis is complete.
STEP 3. Scan tool diagnostic trouble code
Check the ASC diagnostic trouble code. (Refer to DIAGNOSTIC TROUBLE CODE TABLE ).

Q: Is the DTC set?
1. YES: Perform the relevant troubleshooting.
2. NO: Go to Step 4.
STEP 4. Scan tool data list
Check the data list of the relevant wheel speed sensor. (Refer to DATA LIST REFERENCE TABLE ).
- Item No. 22: Wheel speed sensor < FL >
- Item No. 23: Wheel speed sensor < FR >
- Item No. 24: Wheel speed sensor < RL >
- Item No. 25: Wheel speed sensor < RR >
Q: Is the check result normal?
1. YES: Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
2. NO: Replace the AWC-ECU. (Refer to AWC-ECU ).