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• When Monitored: • Set Condition: Possible Causes INTERMITTENT DTC THROTTLE PLATE STICKING OR OBSTRUCTED TP SENSOR CIRCUIT(S) HIGH RESISTANCE OR SHORTED (K124) ETC MOTOR (+) CIRCUIT SHORTED TO VOLTAGE (K126) ETC MOTOR (-) CIRCUIT SHORTED TO VOLTAGE (K124) ETC MOTOR (+) CIRCUIT SHORTED TO THE (K126) ETC MOTOR (-) CIRCUIT (K124) ETC MOTOR (+) CIRCUIT OPEN OR HIGH RESISTANCE (K126) ETC MOTOR (-) CIRCUIT OPEN OR HIGH RESISTANCE (K124) ETC MOTOR (+) CIRCUIT SHORTED TO GROUND (K126) ETC MOTOR (-) CIRCUIT SHORTED TO GROUND THROTTLE BODY ASSEMBLY PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. ACTIVE DTC NOTE: Diagnose any TP Sensor or 5-Volt Supply DTCs before continuing. With a scan tool select View DTCs. Is the status Active for this DTC? Yes >> Go to 2 No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 2. THROTTLE PLATE INSPECTION Turn the ignition off. Remove the air cleaner assembly. Check for any signs of a foreign material (ice or dirt) on the throttle plate or in the throttle bore that can cause the Attempt to manually open the throttle plate. Use an appropriate tool that will not damage or mar the throttle body. Were any problems found? Yes >> Repair as necessary or replace the Throttle Body Assembly. Disconnect the battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC Relearn func- Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go to 3 PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 771 |