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Home >> Mitsubishi >> 2013 >> Lancer Evolution MR >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (MITSUBISHI Multi-Communication System (MMCS) - Lancer Evolution) >> Symptom Procedures >> Inspection Procedure 6: The AM/FM Radio Broadcasting Cannot Be Received >> Diagnosis
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Inspection Procedure 6: The AM/FM Radio Broadcasting Cannot Be Received: Diagnosis

WARNING: This page is about a different variant/trim than selected.
  1. STEP 1. Check the state of the antenna rod and antenna base. 

    Q: Is the roof antenna assembled? 

    • YES:  Go to Step 2.
    • NO:  Assemble antenna rod and antenna base.
  2. STEP 2. Check to see if inspections are taking place is an area exposed to special electric fields. 

    Q: Is the reception area exposed to special electric fields? 

    • YES:  Go to Step 3.
    • NO:  Go to  Step 4.
  3. STEP 3. Move the vehicle and check the radio. 

    Move the vehicle to a good reception area that is not exposed to special electric fields.

    Q: Is the check result normal? 

    • YES:  Diagnosis complete.
    • NO:  Go to Step 4.
  4. STEP 4. Check damage in the roof antenna (the antenna rod, the antenna base). 

    Q: Is the check result normal? 

    • YES:  Go to Step 5.
    • NO:  Replace antenna rod or antenna base.
  5. STEP 5. Check the connection of the antenna plug and multivision display. 

    Q: Is the check result normal? 

    • YES:  Go to Step 6.
    • NO:  Replace the antenna rod, antenna base and antenna fender.
  6. STEP 6. Check multivision display connector C-09 and radio antenna connector C-118 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 

    Q: Are multivision display connector C-09 and radio antenna connector C-118 in good condition? 

  7. STEP 7. Check the wiring harness between multivision display connector C-09 (terminal 71) and radio antenna connector C-118 (terminal 1). 
    • Check the communication line for open circuit and short circuit.
    NOTE: Also check intermediate connector C-108 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-108 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

    Q: Is the wiring harness between multivision display connector C-09 (terminal 71) and antenna feeder C-118 (terminal 1) in good condition? 

    • YES:  Go to Step 8.
    • NO:  The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.
  8. STEP 8. Substitute a known good multivision display, and check the trouble symptom. 

    Q: Is the check result normal? 

    • YES:  Replace the multivision display.
    • NO:  Either repair or replace the antenna rod and antenna base.
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