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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 C1242: Straight G Sensor Signal >> 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. C1242 stored? 

    1. YES:  Go to  Step 3.
    2. NO:  This diagnosis is complete.
  3. STEP 3. Scan tool (M.U.T.-III) other system DTC. 

    Check the ASC DTC (Refer to DIAGNOSTIC TROUBLE CODE CHART ).

    Q: Is the DTC stored? 

    1. YES:  Perform the relevant troubleshooting.
    2. NO:  Go to Step 4.
  4. STEP 4. Scan tool (M.U.T.-III) other system DTC. 

    Check if the wheel speed sensor-related DTC is stored.

    Q: Is the DTC stored? 

    1. YES:  Perform the relevant troubleshooting.
    2. NO:  Go to Step 5.
  5. STEP 5. Check of hydraulic unit (integrated with G and yaw rate sensor) installation status. 

    Check that the hydraulic unit (integrated with G and yaw rate sensor) is installed correctly ( HYDRAULIC UNIT (INTEGRATED WITH G AND YAW RATE SENSOR) ).

    Q: Is the check result normal? 

    1. YES:  Go to Step 6.
    2. NO:  Reinstall the hydraulic unit (integrated with G and yaw rate sensor) correctly. Then go to Step 6.
  6. STEP 6. Scan tool (M.U.T.-III) data list. 

    Check the following data list (Refer to DATA LIST REFERENCE TABLE  ).

    • Item No.24: Longitudinal G sensor

    Q: Is the check result normal? 

    1. YES:  Go to Step 7.
    2. NO:  Replace the hydraulic unit (integrated with G and yaw rate sensor) (Refer to HYDRAULIC UNIT (INTEGRATED WITH G AND YAW RATE SENSOR) ). Then go to  Step 8.
  7. STEP 7. Check whether the DTC is stored again. 

    Q: Is DTC No. C1242 stored? 

    1. YES:  Replace the AWC-ECU (Refer to AWC-ECU < Vehicles with S-AWC >  ). Then go to Step 8.
    2. NO:  Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
  8. STEP 8. Check whether the DTC is stored again. 

    Q: Is DTC No. C1242 stored? 

    1. YES:  Return to  Step 1.
    2. NO:  This diagnosis is complete.
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