|
|
5 CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT 1. Disconnect throttle position sensor harness connector. SEC001C 2. Turn ignition switch “ON”. SEF306X OK or NG OK © GO TO 6. NG © Repair open circuit or short to ground or short to power in harness or connectors. 6 CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. Refer to Wiring Diagram. Continuity should exist. 3. Also check harness for short to power. OK or NG OK © GO TO 8. NG © GO TO 7. 7 DETECT MALFUNCTIONING PART Check the following. I Harness for open or short between ECM and throttle position sensor I Harness for open or short between TCM (Transmission Control Module) and throttle position sensor © Repair open circuit or short to power in harness or connectors. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0120 THROTTLE POSITION SENSOR Diagnostic Procedure (Cont’d) EC-183 |