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B145A-TELEMATICS MIRROR CONTROL CIRCUIT HIGH (CONTINUED) 2. (X793) MICROPHONE FEED CIRCUIT OPEN Turn the ignition off. Disconnect the Hands Free Module harness connector. Disconnect the Inside Rear View Mirror C2 harness connector. Measure the resistance of the (X793) Microphone Feed circuit Is the resistance below 5.0 ohms? Yes >> Go To 3 No >> Repair the (X793) Microphone Feed circuit for an open. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 3. (X793) MICROPHONE FEED CIRCUIT SHORT TO VOLTAGE Turn the ignition on. Measure the voltage of the (X793) Microphone Feed circuit. Is the voltage above 1.0 volt? Yes >> Repair the (X793) Microphone Feed circuit for short to voltage. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 No >> Go To 4 8T - 34 NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS WK |