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Section 06 ENGINE MANAGEMENT (SDI) TPS “OUT OF RANGE” Fault It is caused by the sensor reading going out of its allowable range. This fault can occur during the whole To diagnose this fully, it is recommended to operate the throttle through its full range. It is also recom- POSSIBLE CAUSES ACTION Check if connector is disconnected from TPS Reconnect. Check if sensor is loose Tighten sensor and reset Closed Throttle. Inspect sensor for damage or corrosion Replace sensor and reset Closed Throttle. Inspect wiring (voltage test) Repair. Inspect wiring and sensor (resistance test) If bad wiring, repair. If bad TPS, replace and reset Closed Throttle. Test sensor operation (wear test) Replace sensor and reset Closed Throttle. TPS “ADAPTATION FAILURE” Fault It is caused by the idle position moving out of an acceptable range. Following problems can be caused by a TPS “Adaption Failure“: – Idle speed is out of range. POSSIBLE CAUSES ACTION Sensor has been replaced and TPS closed position not reset Reset Closed Throttle. Throttle body has been replaced and TPS closed position not reset Reset Closed Throttle. ECM has been replaced and TPS closed position not reset Reset Closed Throttle. Throttle cable too tight Adjust cable and reset Closed Throttle. Sensor is loose Tighten sensor and reset Closed Throttle. Throttle bracket is loose Fix and reset Closed Throttle. Adjustment screw worn or loose Adjust idle speed screw using B.U.D.S. 248 mmr2005-080 |