1.PERFORM COMPONENT FUNCTION CHECK-I Without CONSULT-III

1. Start engine and warm it up to the normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
4. Let engine idle for 1 minute.
5. Check the voltage between ECM harness connector terminals under the following condition.

   DTC | ECM | Condition | Voltage
   Connector | + | –
   Terminal | Terminal
   P0137 | F102 | 73 | 70 | Revving up to 4,000 rpm under no load at least 10 times | The voltage should be above 0.70 V at least once during this procedure.
   P0157 | 77

Is the inspection result normal?
YES>>INSPECTION END
NO>>GO TO 2.
2.PERFORM COMPONENT FUNCTION CHECK-II
Check the voltage between ECM harness connector terminals under the following condition.

DTC | ECM | Condition | Voltage
Connector | + | –
Terminal | Terminal
P0137 | F102 | 73 | 70 | Keeping engine at idle for 10 minutes | The voltage should be above 0.70 V at least once during this procedure.
P0157 | 77

Is the inspection result normal?
YES>>INSPECTION END
NO>>GO TO 3.
3.PERFORM COMPONENT FUNCTION CHECK-III
Check the voltage between ECM harness connector terminals under the following condition.

DTC | ECM | Condition | Voltage
Connector | + | –
Terminal | Terminal
P0137 | F102 | 73 | 70 | Coasting from 80 km/h (50 MPH) in A position | The voltage should be above 0.70 V at least once during this procedure.
P0157 | 77

Is the inspection result normal?
YES>>INSPECTION END
NO>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).