With GST
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF and wait at least 5 seconds.
- Disconnect mass air flow sensor harness connector. Then restart and run engine for at least 5 seconds at idle speed.
- Stop engine and reconnect mass air flow sensor harness connector.
- Select MODE 3 with GST. Make sure DTC P0102 is detected.
- Select MODE 4 with GST and erase the DTC P0102.
- Start engine again and let it idle for at least 10 minutes.
- Select MODE 7 with GST. The 1st trip DTC P0171 or P0174 should be detected at this stage, if a malfunction exists. If so, go to Diagnostic Procedure .
- If it is difficult to start engine at step 7, the fuel injection system has a malfunction.
- Crank engine while depressing accelerator pedal. If engine starts, go to Diagnostic Procedure . If engine does not start, check exhaust and intake air leak visually.
Courtesy of NISSAN MOTOR CO., U.S.A.