DTC DETECTION LOGIC

DTC | Self-diagnosis name | DTC detection condition | Possible cause
P1722 | Output shaft speed CAN signal compatibility *1 | A DTC is set if the status 1 or 2 below is detected with an even gear engaged.

1. The difference between the output shaft speed sensor value and the output shaft speed converted from the vehicle speed signal (meter) (CAN signal) is 1,000 rpm or more.
2. The difference between the output shaft speed converted from the vehicle speed signal (meter) (CAN signal) and the output shaft speed converted from the clutch A speed is 1,000 rpm or more.

- Combination meter
- ABS actuator and electric unit (control unit)
- Wheel sensor
- Harness or connector
  (CAN communication line is open or shorted)
  (Open or short in the wheel speed sensor circuit)

A DTC is set if the status 1 or 2 below is detected with an odd gear engaged.

1. The difference between the output shaft speed sensor value and the output shaft speed converted from the vehicle speed signal (meter) (CAN signal) is 1,000 rpm or more.
2. The difference between the output shaft speed converted from the vehicle speed signal (meter) (CAN signal) and the output shaft speed converted from the clutch B speed is 1,000 rpm or more.

DTC CONFIRMATION PROCEDURE
■ CAUTION ■
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION
If another “DTC CONFIRMATION PROCEDURE” is performed just before the next test, turn the ignition switch OFF and wait for 10 seconds or more, then perform the next test.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III

1. Start the engine.
2. Select “RANGE”, “GEAR” or “ENGINE SPEED” in “Data Monitor”.
3. Run the vehicle and maintain the following status for 5 seconds or more.

   RANGE | : M
   GEAR | : 3
   ENGINE SPEED | : 2,000 rpm or more

4. Check “Self Diagnostic Result” of “TRANSMISSION”.

Without CONSULT-III

1. Start the engine.
2. Run the vehicle and maintain the following status for 5 seconds or more.

   Shift lever | : M range
   Gear | : 3
   Engine speed | : 2,000 rpm or more

3. Check self-diagnosis.

Is DTC P1722 detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>Go to Intermittent Incident.