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DTC P2122, P2123 APP SENSOR EC-651 C D E F G H I J K L M A EC 2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT 1. Disconnect accelerator pedal position (APP) sensor harness 2. Turn ignition switch ON. 3. Check voltage between APP sensor terminal 6 and ground with OK or NG OK >> GO TO 4. NG >> GO TO 3. 3. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M135, F105 ● 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 1 GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between APP sensor terminal 3 and ECM terminal 82. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 6. NG >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M135, F105 ● 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. PBIB2432E Voltage: Approximately 5V PBIB0914E Continuity should exist. |