Diagnostic Procedure

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

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

Q: Is the check result normal?
- YES: Go to Step 3.
- NO: Repair the CAN bus line (Refer to TROUBLESHOOTING ). After repairing the CAN bus line, go to Step 2.
STEP 2. DTC recheck after repairing the CAN bus line
1. Erase the DTC.
2. Turn the ignition switch from the LOCK (OFF) position to the ON position.
3. Check if the DTC is set.
  Q: Is DTC No. C1620 set?
  - YES: Go to Step 3.
  - NO: This diagnosis is complete.
STEP 3. Check whether the DTC is reset.
1. Erase the DTC.
2. Turn the ignition switch from the LOCK (OFF) position to the ON position.
3. Check if the DTC is set.
  Q: Is DTC No. C1620 set?
  - YES: Replace the AWC-ECU (refer to AWC-ECU ), and check that another DTC is not set. Then go to Step 4.
  - NO: This diagnosis is complete. Under the driving and road conditions where the AYC control is operated long time (e.g.: long time cornering), the clutch protection is operated.
STEP 4. Check whether the DTC is reset.
1. Erase the DTC.
2. Turn the ignition switch from the LOCK (OFF) position to the ON position.
  Q: Is DTC No. C1620 set?
  - YES: Diagnose again from Step 1.
  - NO: This diagnosis is complete.