1.CHECK SHIFT SOLENOID VALVE 1 CIRCUIT Refer to Diagnosis Procedure (GT-R certified NISSAN dealer) and Diagnosis Procedure (GT-R certified NISSAN dealer). Is the inspection result normal? YES >>GO TO 2. NO >>Repair or replace damaged parts.
2.CHECK SHIFT SOLENOID VALVE 2 CIRCUIT
Refer to Diagnosis Procedure (GT-R certified NISSAN dealer) and Diagnosis Procedure (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair or replace damaged parts.
3.CHECK SEQUENCE SOLENOID VALVE CIRCUIT
Refer to Diagnosis Procedure (GT-R certified NISSAN dealer) and Diagnosis Procedure (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES >>GO TO 4.
NO >>Repair or replace damaged parts.
4.CHECK AXIS A FEED PRESSURE SOLENOID VALVE CIRCUIT
Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES >>GO TO 5.
NO >>Repair or replace damaged parts.
5.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.
2. Check ground connections B31 and ground cable connections. Refer to “Ground Inspection” in Circuit Inspection.

Is the inspection result normal?
YES >>GO TO 6.
NO >>Repair or replace damaged parts.
6.CHECK TCM OUTPUT SIGNAL CIRCUIT
Check voltage between TCM vehicle side harness connector terminals.

TCM vehicle side harness connector | Condition | Voltage (Approx.)
Connector | Terminal | Connector | Terminal
B46 | 74 | B45 | 4 | Ignition switch ON | 5 V
Ignition switch OFF | 0 V

Is the inspection result normal?
YES>>GO TO 8.
NO >>GO TO 7.
7.CHECK TCM POWER SUPPLY
Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>Replace TCM. Refer to Exploded View (GT-R certified NISSAN dealer).
NO >>Repair or replace damaged parts.
8.CHECK TCM INPUT SIGNAL CIRCUIT

1. Start engine.
2. Check voltage between TCM vehicle side harness connector terminals.

   TCM vehicle side harness connector | Condition | Voltage (Approx.)
   Connector | Terminal | Connector | Terminal
   B46 | 70 | B45 | 4 | Engine running | Shift lever: P, R, N position | 2.19–2.88 V
   While driving | 1st gear, 2nd gear, 3rd gear, 4th gear
   5th gear, 6th gear (Other than M range, R mode) | 0.68–1.76 V

Is the inspection result normal?
YES>>GO TO 9.
NO >>GO TO 10.
9.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END
10.CHECK HARNESS BETWEEN TCM AND TRANSMISSION (6TH-NEUTRAL POSITION SENSOR) (PART 1)

1. Turn ignition switch OFF.
2. Disconnect TCM harness connectors and transmission unit harness connectors.
3. Check continuity between TCM vehicle side harness connector terminals and transmission unit vehicle side harness connector terminals.

   TCM vehicle side harness connector | Transmission unit vehicle side harness connector | Continuity
   Connector | Terminal | Connector | Terminal
   B46 | 66 | B49 | 25 | Existed
   70 | 24
   74 | 23

Is the inspection result normal?
YES>>GO TO 11.
NO >>Repair or replace damaged parts.
11.CHECK HARNESS BETWEEN TCM AND TRANSMISSION (6TH-NEUTRAL POSITION SENSOR) (PART 2)
Check continuity between TCM vehicle side harness connector terminals and ground.

TCM vehicle side harness connector | Ground | Continuity
Connector | Terminal
B46 | 66 | Ground | Not existed
70
74

Is the inspection result normal?
YES>>GO TO 12.
NO >>Repair or replace damaged parts.
12.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
Is the inspection result normal?
YES>>Replace transmission assembly. Refer to Exploded View (GT-R certified NISSAN dealer).
NO >>Repair or replace damaged parts.