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3. CHECK THE REMOTE RADIO CONTROL SWITCH VOLTAGE Turn the ignition on. With the Scan Tool, enter Body Computer then Sensors and monitor the Radio Control SW voltage. Is the voltage above 3.8 volts? Yes >> Go To 4 No >> Go To 8 4. CLOCKSPRING OPEN Turn the ignition on. Turn the Radio on. Disconnect the Clockspring C1 harness connector. Connect a jumper wire between the Radio Control MUX circuit and the Radio Control MUX Return circuit. Did the radio change stations? Yes >> Repair the Radio Control MUX circuit or the Radio Control MUX Return circuit for an open between the clockspring and the splice to the switches. If OK, replace the Clockspring. Perform BODY VERIFICATION TEST - VER 1. No >> Go To 5 5. OPEN RADIO CONTROL MUX RETURN CIRCUIT Turn the ignition off. Disconnect the Clockspring C1 harness connector. Disconnect the BCM C2 harness connector. Measure the resistance of the Radio Control MUX Return circuit between the BCM C2 connector and the Clock- Is the resistance below 5.0 ohms? Yes >> Go To 6 No >> Repair the Radio Control MUX Return circuit for an open between the clockspring and the BCM. Perform BODY VERIFICATION TEST - VER 1. 6. OPEN RADIO CONTROL MUX CIRCUIT Turn the ignition off. Disconnect the Clockspring C1 harness connector. Disconnect the BCM C2 harness connector. Measure the resistance of the Radio Control MUX circuit between the BCM C2 connector and the Clockspring C1 Is the resistance below 5.0 ohms? Yes >> Go To 7 No >> Repair the Radio Control MUX circuit for an open between the clockspring and the BCM. Perform BODY VERIFICATION TEST - VER 1. 8A - 28 AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS KJ |