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EC-220 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0130, P0150 A/F SENSOR 1 NO >> Go to Component Function Check INFOID:0000000010094931 1. PERFORM COMPONENT FUNCTION CHECK With GST 1. Start engine and warm it up to normal operating temperature. 2. Drive the vehicle at a speed of 80 km/h (50 MPH) for a few minutes in the suitable gear position. 3. Set D position, then release the accelerator pedal fully until the vehicle speed decreases to 50 km/h (31 MPH). CAUTION: Always drive vehicle at a safe speed. NOTE: Never apply brake when releasing the accelerator pedal. 4. Repeat steps 2 and 3 for five times. 5. Stop the vehicle and turn ignition switch OFF. 6. Wait at least 10 seconds and restart engine. 7. Repeat steps 2 and 3 for five times. 8. Stop the vehicle and connect GST to the vehicle. 9. Check 1st trip DTC. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000010094932 Regarding Wiring Diagram information, refer to . 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E9. Refer to Ground Inspection in . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT 1. Disconnect A/F sensor 1 harness connector. 2. Turn ignition switch ON. 3. Check the voltage between A/F sensor 1 harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 3. 3. DETECT MALFUNCTIONING PART Check the following. • IPDM E/R harness connector F10 • 15 A fuse (No. 37) • Harness for open or short between A/F sensor 1 and fuse >> Repair or replace harness or connectors. DTC A/F sensor 1 Ground Voltage Bank Connector Terminal P0130 1 F12 4 Ground Battery voltage P0150 2 F61 4 PBIB3308E |