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P0101 MAF SENSOR EC-635 < DTC/CIRCUIT DIAGNOSIS > [VQ40DE FOR USA AND CANADA] C D E F G H I J K L M A EC N P O 4. Also check harness for short to ground and short to power. OK >> GO TO 7. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK MAF SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check harness continuity between MAF sensor terminal 4 and ECM terminal 82. Refer to Wiring Diagram. 2. Also check harness for short to ground and short to power. OK >> GO TO 8. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 8. CHECK INTAKE AIR TEMPERATURE SENSOR EC-645, "Component Inspection" OK or NG OK >> GO TO 9. NG >> Replace intake air temperature sensor. Refer to 9. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR EC-783, "Component Inspection" OK or NG OK >> GO TO 10. NG >> Replace EVAP control system pressure sensor. Refer to FL-14, "Removal and Installation" . 10. CHECK MASS AIR FLOW SENSOR EC-635, "Component Inspection" OK or NG OK >> GO TO 11. NG >> Replace mass air flow sensor. Refer to 11. CHECK INTERMITTENT INCIDENT GI-42, "Intermittent Incident" . >> INSPECTION END Component Inspection INFOID:0000000009481275 MASS AIR FLOW SENSOR With CONSULT 1. Reconnect all harness connectors disconnected. Continuity should exist. Continuity should exist. Condition MAS A/F SE-B1 (V) Ignition switch ON (Engine stopped.) Approx. 0.4 Idle (Engine is warmed-up to normal 0.9 - 1.2 |