|
|
ECK-244 < DTC/CIRCUIT DIAGNOSIS > [K9K] P0470 EXHAUST GAS PRESSURE SENSOR YES >> GO TO 4. NO >> Perform trouble diagnosis for power supply circuit. 4. CHECK EXHAUST GAS PRESSURE SENSOR 1 CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Check exhaust gas pressure sensor 1 circuit for open and short. Is the inspection result normal? YES >> GO TO 5. NO >> Repair or replace error-detected parts. 5. CHECK EXHAUST GAS PRESSURE SENSOR 1 ECK-244, "Component Inspection (Exhaust Gas Pressure Sensor)" . Is the inspection result normal? YES >> GO TO 6. NO >> Replace error-detected parts. 6. DTC CONFIRMATION PROCEDURES 1. Erase DTC. 2. Perform DTC confirmation procedure again. Refer to Is the DTC P0470 displayed again? YES >> GO TO 7. NO >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . 7. CHECK TURBOCHARGER Check turbocharger. Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . NO >> Repair or replace malfunctioning parts. Component Inspection (Exhaust Gas Pressure Sensor) INFOID:0000000010289832 1. CHECK EXHAUST GAS PRESSURE SENSOR 1. Disconnect exhaust gas pressure sensor harness connector. 2. Check the resistance between exhaust gas pressure sensor terminals as follows. Is the inspection result normal? YES >> INSPECTION END NO >> Replace exhaust gas pressure sensor. + - Continuity ECM Exhaust gas pressure sen- sor 1 Connector Terminal Connector Terminal F80 77 F110 3 Existed 78 1 83 2 Exhaust gas pressure sensor Resistance (Approx.) + - Terminal 2 1 100 k Ω |