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Theory of Operation The Steering Wheel Control Audio Switch, when pressed, sends a multiplexed signal to the Right Steering Switch. • When Monitored: • Set Condition: Possible Causes INTERMITTENT STEERING WHEEL CONTROL AUDIO SWITCH CIRCUIT DTC (G206) EVIC MUX SIGNAL 2 CIRCUIT SHORT TO GROUND (G206) EVIC MUX SIGNAL 2 CIRCUIT SHORT TO (G907) EVIC/NAV MUX RETURN CIRCUIT LEFT STEERING SWITCH RIGHT STEERING SWITCH STEERING CONTROL MODULE (SCM) Diagnostic Test 1. DTC STATUS IS ACTIVE NOTE: If U1109–LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS is set along with this NOTE: If P0562–BATTERY VOLTAGE LOW or P0563–BATTERY VOLTAGE HIGH is set along with this DTC, With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes >> Go to 2 No >> Go to 7 2. (G206) EVIC MUX SIGNAL 2 CIRCUIT SHORT TO (G907) EVIC/NAV MUX RETURN CIRCUIT Turn the ignition off. Remove the Driver Airbag in accordance with the Service Information to Disconnect the Left Steering Switch harness connector. Disconnect the Right Steering Switch harness connector. NOTE: Before proceeding, thoroughly inspect the wiring harness Is the resistance below 5.0 ohms? Yes >> Repair the (G206) EVIC Mux Signal 2 circuit for a short to the (G907) EVIC/NAV Mux Return circuit. No >> Go to 3 19 - 30 COLUMN ELECTRICAL DIAGNOSIS LX |