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B1428-REMOTE RADIO SWITCH INPUT CIRCUIT STUCK (CONTINUED) 5. (X20) RADIO CONTROL MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Instrument Cluster C1 harness connector. Measure the resistance between ground and the (X20) Radio Control Is the resistance below 100.0 ohms? Yes >> Repair the (X20) Radio Control MUX circuit for a short to ground. Perform BODY VERIFICATION TEST – VER 1. No >> Go To 6 6. (X20) RADIO CONTROL MUX CIRCUIT SHORT TO (G902) SWITCH MUX RETURN CIRCUIT Disconnect the Instrument Cluster C2 harness connector. Measure the resistance between the (X20) Radio Control MUX circuit Is the resistance below 100.0 ohms? Yes >> Repair the (X20) Radio Control MUX circuit for a short to the (G902) Switch MUX Return circuit. Perform BODY VERIFICATION TEST – VER 1. No >> Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Instrument Cluster (CCN) in Perform BODY VERIFICATION TEST – VER 1. 8A - 52 AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS WK |