DTC DETECTION LOGIC

DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause
P1290 | Throttle control motor relay circuit open (bank 2) | ECM detects a voltage of power source for throttle control motor is excessively low. |

- Harness or connectors
  (Throttle control motor relay circuit is open)
- Throttle control motor relay

P2100 | Throttle control motor relay circuit open (bank 1)
P2103 | Throttle control motor relay circuit short | ECM detect the throttle control motor relay is stuck ON. |

- Harness or connectors
  (Throttle control motor relay circuit is shorted)
- Throttle control motor relay

DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V.
Which DTC is detected?
P1290, P2100>>GO TO 2.
P2103>>GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P1290 and P2100

1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.

Is DTC detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>INSPECTION END
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103

1. Turn ignition switch ON and wait at least 1 second.
2. Check DTC.

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