1.CHECK DTC Check DTC. Is any DTC detected? YES>>Repair malfunction(s) and erase DTC. Refer to DTC Index. NO>>GO TO 2.
2.CHECK SRT STATUS
WITH CONSULT-III
Select “SRT STATUS” in “DTC & SRT CONFIRMATION” mode with CONSULT-III.
WITHOUT CONSULT-III
Perform “SRT status” mode with On Board Diagnosis Function (GT-R certified NISSAN dealer).
WITH GST
Select Service $01 with GST (Generic Scan Tool).
Is SRT code(s) set?
YES>>END
NO-1>>With CONSULT-III: GO TO 3.
NO-2>>Without CONSULT-III: GO TO 4.
3.DTC CONFIRMATION PROCEDURE

1. Select “SRT WORK SUPPORT” in “DTC & SRT CONFIRMATION” mode with CONSULT-III.
2. For SRT(s) that is not set, perform the corresponding “DTC CONFIRMATION PROCEDURE” according to the “Performance Priority” in the “SRT ITEM” table. Refer to Description (GT-R certified NISSAN dealer).
3. Check DTC.

Is any DTC detected?
YES>>Repair malfunction(s) and erase DTC. Refer to DTC Index.
NO>>GO TO 10.
4.PERFORM ROAD TEST

- Check the “Performance Priority” in the “SRT ITEM” table. Refer to Description (GT-R certified NISSAN dealer).
- Perform the most efficient SRT set driving pattern to set the SRT properly. Refer to SRT Set Driving Pattern (GT-R certified NISSAN dealer).In order to set all SRTs, the SRT set driving pattern must be performed at least once.

>> GO TO 5.
5.PATTERN 1

1. Check the vehicle condition;

- Engine coolant temperature is −10 to 35°C (14 to 95°F).
- Fuel tank temperature is more than 0°C (32°F).

2. Start the engine.
3. Keep engine idling until the engine coolant temperature is greater than 70°C (158°F)

NOTE：
ECM terminal voltage is follows;

- Engine coolant temperature

- −10 to 35°C (14 to 95°F): 3.0 – 4.3 V
- 70°(158°F): Less than 1.4 V

- Fuel tank temperature: Less than 4.1 V

Refer to Reference Value (GT-R certified NISSAN dealer).
>> GO TO 6.
6.PATTERN 2

1. Drive the vehicle. And depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH), then release the accelerator pedal and keep it released for more than 10 seconds.
2. Depress the accelerator pedal until vehicle speed is 90 km/h (56 MPH) again

NOTE：

- Checking the vehicle speed with GST is advised.
- When steady-state driving is performed again even after it is interrupted, each diagnosis can be conducted. In this case, the time required for diagnosis may be extended.

>> GO TO 7.
7.PATTERN 3

- Operate vehicle following the driving pattern shown in the figure.
- Release the accelerator pedal during deceleration of vehicle speed from 90 km/h (56 MPH) to 0 km/h (0 MPH).

>> GO TO 8.
8.PATTERN 4

- The accelerator pedal must be held very steady during steady-state driving.
- If the accelerator pedal is moved, the test must be conducted again.

>> GO TO 9.
9.PATTERN 5

- Cool down the engine so that the engine coolant temperature lowers between 15 – 35°C (59 – 95°F).
  ■ CAUTION ■
  Never turn the ignition switch ON while cooling down the engine.
- Engine coolant temperature at engine start is between 15 – 35°C (59 – 95°F) and has lowered 45°C (113°F) or more since the latest engine stop.

>> GO TO 10.
10.CHECK SRT STATUS
WITH CONSULT-III
Select “SRT STATUS” in “DTC & SRT CONFIRMATION” mode with CONSULT-III.
WITHOUT CONSULT-III
Perform “SRT status” mode with On Board Diagnosis Function (GT-R certified NISSAN dealer).
WITH GST
Select Service $01 with GST (Generic Scan Tool).
Is SRT(s) set?
YES>>END
NO>>Call TECH LINE or take appropriate action.