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2 CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT 1. Disconnect accelerator pedal position (APP) sensor harness connector. SEC081D 3. Check voltage between APP sensor terminal 4 and ground with CONSULT-II or tester. SEC094D Voltage: Approximately 2.5V OK or NG OK © GO TO 4. NG © GO TO 3. 3 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M223, F53 I Harness for open or short between ECM and accelerator pedal position sensor © Repair open circuit or short to ground or short to power in harness or connectors. 4 CHECK APP SENSOR 2 GROUND 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 6. NG © GO TO 5. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P2127, P2128 APP SENSOR Diagnostic Procedure (Cont’d) EC-661 |