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• When Monitored: • Set Condition: Possible Causes VEHICLE DAMAGE STEERING COLUMN / INTERMEDIATE SHAFT DAMAGE CLOCKSPRING IMPROPERLY INSTALLED STEERING ANGLE SENSOR LOOSE STEERING ANGLE SENSOR IMPROPERLY INSTALLED (WRONG MOUNTING POSITION) WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE (F943) FUSED IGNITION SWITCH OUTPUT (RUN-ACC) CIRCUIT HIGH RESISTANCE (Z385) GROUND CIRCUIT HIGH RESISTANCE STEERING ANGLE SENSOR ANTI-LOCK BRAKES MODULE Diagnostic Test 1. VERIFY THAT THE STEERING ANGLE SENSOR IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the Steering Angle Sensor is active on the bus. Is the Steering Angle Sensor active on the bus? Yes >> Go To 2 No >> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for No Response related diagnostic procedures. 2. CHECK STEERING ANGLE SENSOR OUTPUT Start the engine. Center the steering wheel. With the scan tool, read the Steering Angle Sensor Position. Is the Steering Angle Sensor Position either +15° or more or 2 15° or more? Yes >> Go To 3 No >> Go To 9 3. INSPECT VEHICLE, STEERING COLUMN, & INTERMEDIATE SHAFT FOR DAMAGE NOTE: If possible, check vehicle repair history for collision damage. Inspect the vehicle for damage causing tracking problems. Inspect the steering column and intermediate shaft for damage. Were any problems found? Yes >> Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 4 5 - 148 BRAKES - ABS ELECTRICAL DIAGNOSTICS KJ |