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4 DETECT MALFUNCTIONING PART Check the following. I Harness for open or short between throttle position switch and ECM I Harness for open or short between throttle position switch and TCM (Transmission control module) © Repair open circuit or short to ground or short to power in harness or connectors. 5 ADJUST THROTTLE POSITION SWITCH IDLE POSITION Perform Basic Inspection, EC-SR-84. © GO TO 6. 6 CHECK CLOSED THROTTLE POSITION SWITCH Refer to “Component Inspection”, EC-SR-276. OK or NG OK © GO TO 7. NG © Replace throttle position switch. 7 CHECK THROTTLE POSITION SENSOR Refer to “Component Inspection”, EC-SR-142. OK or NG OK © GO TO 8. NG © Replace throttle position sensor. 8 CHECK INTERMITTENT INCIDENT Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-SR-114. © INSPECTION END DTC P0510 CLOSED THROTTLE POSITION SWITCH (IF SO EQUIPPED) SR20DE Diagnostic Procedure (Cont’d) EC-275 |