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B1459-TELEMATICS MIRROR CONTROL CIRCUIT LOW (CONTINUED) 2. (X793) MICROPHONE FEED CIRCUIT OPEN Turn the ignition off. Disconnect the Hands Free Module harness connector. Disconnect the Inside Rearview 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. 3. (X793) MICROPHONE FEED CIRCUIT SHORT TO GROUND Measure the resistance between ground and the (X793) Microphone Is the resistance below 100.0 ohms? Yes >> Repair the (X793) Microphone Feed circuit for short to ground. Perform BODY VERIFICATION TEST – VER 1. No >> Go To 4 HB NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS 8T - 39 |