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MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS) CHASSIS ELECTRICAL 54A-382 YES (The service data log for drive is displayed.) : Perform Inspection Procedure 8 "CD/DVD YES (The service data log for HDD is displayed.) : Abnormalities relating to high or low NO : Go to Step 9. STEP 9. Perform "Network/Connect Line Check" MMCS service mode. (Refer to ) (2) Check if "DVD Drive OK" is displayed. Q: Is the check result normal? YES : Go to Step 10. NO : Go to Step 14. STEP 10. Check the following connectors. • E-12 front door speaker (LH) connector • E-10 front door speaker (RH) connector • E-22 rear door speaker (LH) connector • E-21 rear door speaker (RH) connector • E-02 tweeter (LH) connector <vehicles with 6- speaker> • E-04 tweeter (RH) connector <vehicles with 6- speaker> Q: Are all the connectors in good condition? YES : Go to Step 11. NO : Repair the defective connector. STEP 11. Check the speaker or tweeter. noise when the voltage of 5 V is applied to the Q: Do the speaker or tweeter output the noise? YES : Go to Step 12. NO : Replace the speaker or tweeter. STEP 12. Connector check: C-144 multivision Q: Is the check result normal? YES : Go to Step 13. NO : Repair the defective connector. STEP 13. Check the wiring harness between the • <Front door speaker (LH), tweeter (LH)> Check the wiring harness between E-12 front door NOTE: Prior to the wiring harness inspection, check intermediate connectors C-126 and C-139, and • <Front door speaker (RH), tweeter (RH)> Check the wiring harness between E-10 front door NOTE: Prior to the wiring harness inspection, check intermediate connectors C-112 and C-139, and • <Rear door speaker (LH)> Check the wiring har- ness between E-22 rear door speaker (LH) con- NOTE: Prior to the wiring harness inspection, check intermediate connectors C-28, C-139 and D-21, • <Rear door speaker (RH)> Check the wiring har- ness between E-21 rear door speaker (RH) con- NOTE: Prior to the wiring harness inspection, check intermediate connectors C-16, C-139 and D-01, Q: Is the check result normal? YES : Go to Step 14. NO : Repair the wiring harness. STEP 14. Retest the system Q: Is the check result normal? YES : The trouble can be an intermittent malfunction (Refer to GROUP 00 − How to use Troubleshooting/inspection Service − How to Cope with Intermittent Malfunction ). NO : Replace the multivision display. |