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Diagnostic Procedure NBEC0263 1 CHECK CLOSED THROTTLE POSITION SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. SEF944Y 3. Turn ignition switch “ON”. SEF346X OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M32, F23 I Harness for open or short between throttle position switch and ECM © Repair harness or connectors. 3 CHECK CLOSED THROTTLE POSITION SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. Refer to Wiring Diagram. Continuity should exist. 4. Also check harness for short to ground and short to power. OK or NG OK © GO TO 4. NG © Repair open circuit or short to ground or short to power in harness or connectors. GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0510 CLOSED THROTTLE POSITION SWITCH Diagnostic Procedure EC-435 |