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DTC P0172, P0175 FUEL INJECTION SYSTEM FUNCTION EC-285 < SERVICE INFORMATION > [VQ35DE] C D E F G H I J K L M A EC N P O 9. Check 1st trip DTC. 10. The 1st trip is detected, go to WITH GST 1. Start engine and warm it up to normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Disconnect mass air flow sensor harness connector. Then 4. Stop engine and reconnect mass air flow sensor harness con- 5. Select Service $03 with GST. Make sure DTC P0102 is 6. Select Service $04 with GST and erase the DTC P0102. 7. Start engine. a. Crank engine while depressing accelerator pedal. b. If engine starts, go to . If engine does not start, remove ignition plugs and check for fouling, etc. 8. Keep engine at idle for at least 10 minutes. 9. Check 1st trip DTC. 10. If 1st trip DTC is detected, go to If 1st trip DTC is not detected, performing the following procedure is advised. a. Turn ignition switch OFF and wait at least 10 seconds. b. Start engine and drive the vehicle under the similar conditions to (1st trip) Freeze Frame Data for 10 min- The similar conditions to (1st trip) Freeze Frame Data means the vehicle operation that the following con- 11. Check 1st trip DTC. 12. The 1st trip is detected, go to Engine coolant temperature (T) When the freeze frame data shows lower than 70 ° C (158 ° F), T should be lower than 70 ° C (158 ° F). When the freeze frame data shows higher than or equal to 70 ° C (158 ° F), T should be higher than or equal to 70 ° C (158 ° F). PBIB1565E Engine speed Engine speed in the freeze frame data ± 400 rpm Vehicle speed Vehicle speed in the freeze frame data ± 10 km/h (6 MPH) Engine coolant temperature (T) When the freeze frame data shows lower than 70 ° C (158 ° F), T should be lower than 70 ° C (158 ° F). When the freeze frame data shows higher than or equal to 70 ° C (158 ° F), T should be higher than or equal to 70 ° C (158 ° F). |