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Theory of Operation The Steering Wheel Control Menu Switch is part of the Right Steering Switch. The switching status is transferred to • When Monitored: • Set Condition: Possible Causes INTERMITTENT STEERING WHEEL CONTROL MENU SWITCH CIRCUIT DTC RIGHT STEERING SWITCH STEERING CONTROL MODULE (SCM) Diagnostic Test 1. DTC 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 4 2. RIGHT STEERING SWITCH Turn the ignition off. Replace the Right Steering Switch in accordance with the Service Information. Turn the ignition on. Press and release the Menu Switch several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Menu switch data. While monitoring the Menu switch data, press and release the Menu Switch several times. Does the Menu switch data change from Set to Not Set when the switch is pressed and released? Yes >> Test complete. No >> Go to 3 19 - 34 COLUMN ELECTRICAL DIAGNOSIS LX |