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Home >> Mitsubishi >> 2017 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Continuously Variable Transaxle (CVT) Diagnosis & On-Vehicle Service - With Diagnostics - Lancer) >> Diagnosis >> Symptom Procedures >> Inspection Procedure 5: Cannot be Changed in Sport Mode (Vehicles with sport mode) >> Diagnostic Procedure

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.
  1. STEP 1. M.U.T.-III data list 
    • Item 52: Select switch (up)
    • Item 53: Select switch (down)

    (Refer to DATA LIST REFERENCE TABLE  .)

    Q: Is the check result normal? 

    1. YES:  Intermittent malfunction
    2. NO:  Go to Step 2.
  2. STEP 2. Shift switch assembly single unit check 

    Refer to SHIFT SWITCH ASSEMBLY CONTINUITY CHECK  .

    Q: Is the check result normal? 

    1. YES:  Go to Step 3.
    2. NO:  Replace the selector lever assembly.
  3. STEP 3. Check the following connector: 
    • C-27 selector lever assembly connector
    • C-40 TCM connector
    • C-128 intermediate connector

    Check the terminals for a contact status problem and internal short circuit.

    Q: Is the check result normal? 

    1. YES:  Go to Step 4.
    2. NO:  Repair the connector concerned.
  4. STEP 4. Check for open circuit and short to ground in the wiring harness between the selector lever assembly connector and the TCM connector. 
    • Between C-27 selector lever assembly connector (terminal No. 7) and body ground
    • Between C-27 selector lever assembly connector (terminal No. 8) and C-40 TCM connector (terminal No. 35)
    • Between C-27 selector lever assembly connector (terminal No. 9) and C-40 TCM connector (terminal No. 44)
    • Between C-27 selector lever assembly connector (terminal No. 10) and C-40 TCM connector (terminal No. 43)
    • Between C-27 selector lever assembly connector (terminal No. 8) and body ground
    • Between C-27 selector lever assembly connector (terminal No. 9) and body ground
    • Between C-27 selector lever assembly connector (terminal No. 10) and body ground

    Q: Is the check result normal? 

    1. YES:  Go to Step 5.
    2. NO:  Repair the wiring harness.
  5. STEP 5. Retest the system. 

    Q: Does the malfunction take place again? 

    1. YES:  Replace TCM.
    2. NO:  Intermittent malfunction
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