With GST
- Turn ignition switch ON and select Service $01 with GST.
- Check that engine coolant temperature is within the range of -10 to 50°C (14 to 122°F).
- Check that voltage between ECM terminal 54 (EGR temperature sensor signal) and ground is less than 4.8V.
- Start engine and let it idle for at least 80 seconds.
- Stop engine.
- Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
- Select Service $07 with GST.
- If 1st trip DTC is detected, go to
DIAGNOSTIC PROCEDURE
Courtesy of NISSAN MOTOR CO., U.S.A.