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P2127, P2128 APP SENSOR ECM-361 < DTC/CIRCUIT DIAGNOSIS > [MR20DD] C D E F G H I J K L M A ECM N P O Diagnosis Procedure INFOID:0000000010703051 1. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-1 1. Turn ignition switch OFF. 2. Disconnect accelerator pedal position (APP) sensor harness connector. 3. Turn ignition switch ON. 4. Check the voltage between APP sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 7. NO >> GO TO 2. 2. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-2 Check the voltage between APP sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 3. 3. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-3 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between APP sensor harness connector and ECM harness connector. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace malfunctioning part. 4. CHECK SENSOR POWER SUPPLY 2 CIRCUIT Perform ECM-392, "Diagnosis Procedure" . Is the inspection result normal? YES >> INSPECTION END NO >> Repair or replace malfunctioning part. 5. CHECK APP SENSOR 2 GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between APP sensor harness connector and ECM harness connector. APP sensor Voltage (Approx.) Connector + − Terminal E20 5 1 5 V + − Voltage (Approx.) APP sensor Connector Terminal E20 5 Ground 5 V + − Continuity APP sensor ECM Connector Terminal Connector Terminal E20 5 E57 118 Existed |