|
|
содержание .. 538 539 540 541 ..
EC-270 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0300, P0301, P0302, P0303, P0304, P0305, P0306 MISFIRE For specification, refer to . Is the inspection result normal? YES >> GO TO 13. NO >> Follow the EC-13, "BASIC INSPECTION : Special Repair Requirement" 13. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect corresponding A/F sensor 1 harness connector. 3. Disconnect ECM harness connector. 4. Check the continuity between A/F sensor 1 harness connector and ECM harness connector. 5. Check the continuity between A/F sensor 1 harness connector and ground, or ECM harness connector 6. Also check harness for short to power. Is the inspection result normal? YES >> GO TO 14. NO >> Repair open circuit, short to ground or short to power in harness or connectors. 14. CHECK A/F SENSOR 1 HEATER EC-160, "Component Inspection" Is the inspection result normal? YES >> GO TO 15. NO >> Replace malfunctioning A/F sensor 1. Refer to . 15. CHECK MASS AIR FLOW SENSOR With CONSULT 1. Check “MASS AIR FLOW” in “DATA MONITOR” mode with CONSULT. 2. For specification, refer to EC-536, "Mass Air Flow Sensor" With GST 1. Check mass air flow sensor signal in Service $01 with GST. 2. For specification, refer to EC-536, "Mass Air Flow Sensor" A/F sensor 1 ECM Continuity Bank Connector Terminal Connector Terminal 1 F27 1 F8 45 Existed 2 49 2 F64 1 53 2 57 A/F sensor 1 Ground Continuity Bank Connector Terminal 1 F27 1 Ground Not existed 2 2 F64 1 2 ECM Ground Continuity Connector Terminal F8 45 Ground Not existed 49 53 57 |