1.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 2.
NO >>Repair or replace damaged parts.
2.CHECK LINE PRESSURE SOLENOID VALVE CIRCUIT (PART 1)

1. Disconnect TCM harness connectors.
2. Check resistance between TCM vehicle side harness connector terminals.

   TCM vehicle side harness connector | Condition | Resistance (Approx.)
   Connector | Terminal
   B47 | 113 | 118 | Transmission oil temperature: 20°C (68°F) | 3.8–4.4Ω
   Transmission oil temperature: 50°C (122°F) | 4.3–5.0Ω
   Transmission oil temperature: 80°C (176°F) | 4.7–5.4Ω

Is the inspection result normal?
YES >>GO TO 3.
NO >>GO TO 4.
3.CHECK LINE PRESSURE SOLENOID VALVE CIRCUIT (PART 2)
Check continuity between TCM vehicle side harness connector terminals and ground.

TCM vehicle side harness connector | Ground | Continuity
Connector | Terminal
B47 | 113 | Ground | Not existed
118

Is the inspection result normal?
YES>>GO TO 7.
NO >>GO TO 4.
4.CHECK LINE PRESSURE SOLENOID VALVE

1. Disconnect transmission unit harness connectors.
2. Check line pressure solenoid valve. Refer to Component Inspection (Line Pressure Solenoid Valve) (GT-R certified NISSAN dealer).

Is the inspection result normal?
YES >>GO TO 5.
NO >>Repair or replace damaged parts.
5.CHECK HARNESS BETWEEN TCM AND TRANSMISSION (LINE PRESSURE SOLENOID VALVE) (PART 1)
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
B47 | 113 | B50 | 49 | Existed
118 | 48

Is the inspection result normal?
YES>>GO TO 6.
NO >>Repair or replace damaged parts.
6.CHECK HARNESS BETWEEN TCM AND TRANSMISSION (LINE PRESSURE SOLENOID VALVE) (PART 2)
Check continuity between TCM vehicle side harness connector terminals and ground.

TCM vehicle side harness connector | Ground | Continuity
Connector | Terminal
B47 | 113 | Ground | Not existed
118

Is the inspection result normal?
YES>>GO TO 7.
NO >>Repair or replace damaged parts.
7.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END