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MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS) CHASSIS ELECTRICAL 54A-394 COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES • Malfunction of speaker • Malfunctions of multivision display • Malfunction of audio amplifier • Damaged harness wires and connectors DIAGNOSIS PROCEDURE STEP 1. Checking with audio speaker check Q: Is the check result normal? YES (normal for all) : The trouble can be an intermittent malfunction (Refer to GROUP − How to use Troubleshooting/inspection Service Points − How to Cope with Intermittent Malfunction ). NO (Either a speaker, a tweeter or a subwoofer is Go to Step 2. STEP 2. 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 • E-04 tweeter (RH) connector • F-25 sub woofer connector Q: Are all the connectors in good condition? YES : Go to Step 3. NO : Repair the defective connector. STEP 3. Check the speaker, tweeter or Refer to . (2) Check that the speaker or tweeter outputs the noise when the voltage of 5 V is applied to the (3) Check that the subwoofer outputs the noise when the voltage of 5 V is applied to the subwoofer Q: Is the check result normal? YES : Go to Step 4. NO : Replace the speaker, tweeter or subwoofer. STEP 4. Connector check: D-26 <front door Q: Is the check result normal? AC612733 Connector: E-21 AB AC612732 Connector: E-22 AB AC801775 BJ F-25 (B) Connector: F-25 <LANCER SPORTBACK> AC701264 AR Connector: F-25 <LANCER> F-25 (B) |