LEMON Manuals: Even more car manuals for everyone
Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Continuously Variable Transaxle (CVT) On-Vehicle Service - With Diagnostics) >> Diagnosis < S-AWC > >> Diagnostic Trouble Code Procedures >> DTC C121A: Steering Wheel Sensor Initialization >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Scan tool (M.U.T.-III) CAN bus diagnostics. 

    Use scan tool (M.U.T.-III) to perform the CAN bus diagnosis.

    Q: Is the check result normal? 

    1. YES:  Go to  Step 3.
    2. NO:  Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ). After repairing the CAN bus line, go to Step 2.
  2. STEP 2. Check whether the DTC is stored again. 

    Q: Is DTC No. C121A stored? 

    1. YES:  Go to Step 3.
    2. NO:  This diagnosis is complete.
  3. STEP 3. Steering wheel sensor calibration. 

    Perform calibration of the steering wheel sensor (Refer to STEERING WHEEL SENSOR CALIBRATION ).

    Q: Has the calibration succeeded? 

    1. YES:  Go to Step 4.
    2. NO:  Replace the steering wheel sensor (Refer to STEERING WHEEL SENSOR ). Then, go to Step 4.
  4. STEP 4. Check whether the DTC is stored again. 

    Q: Is DTC No. C121A stored? 

    1. YES:  Replace the AWC-ECU (Refer to AWC-ECU < Vehicles with S-AWC >  ). Then, go to Step 5.
    2. NO:  Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
  5. STEP 5. Check whether the DTC is stored again. 

    Q: Is DTC No. C121A stored? 

    1. YES:  Return to  Step 1.
    2. NO:  This diagnosis is complete.
scientia non olet · About LEMON Manuals