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P2138 APP SENSOR ECM-369 < DTC/CIRCUIT DIAGNOSIS > [MR20DD] C D E F G H I J K L M A ECM N P O Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 6. 6. CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT 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 7. NO >> Repair or replace malfunctioning part. 7. 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. 8. CHECK APP SENSOR 1 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. 4. Also check harness for short to power. Is the inspection result normal? YES >> GO TO 10. NO >> Repair or replace malfunctioning part. 9. 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. 4. Also check harness for short to power. + − Voltage (Approx.) APP sensor Connector Terminal E20 5 Ground 5 V + − Continuity APP sensor ECM Connector Terminal Connector Terminal E20 5 E57 118 Existed + − Continuity APP sensor ECM Connector Terminal Connector Terminal E20 2 E57 127 Existed + − Continuity APP sensor ECM Connector Terminal Connector Terminal E20 1 E57 120 Existed |