Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
Check the metal deposition, damage, and corrosion of connectors (F215 and E73 and E74).

Is the inspection result normal?

YES

GO TO 2 .

NO

Repair or replace malfunctioning parts.

CHECK CIRCUIT BETWEEN C1 CLUTCH SOLENOID VALVE AND ANOTHER CIRCUIT

Turn ignition switch OFF.
Disconnect TCM connector.
Check continuity between TCM harness connector terminals.

TCM			Continuity
Connector	Terminal
E73	43	Other than the 43	Not existed
	44	Other than the 44

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace malfunctioning parts.

CHECK CIRCUIT BETWEEN C1 CLUTCH SOLENOID VALVE AND TCM

Disconnect A/T assembly connector.
Turn ignition switch ON.
Check voltage between TCM harness connector terminals and ground.

TCM		-	Voltage
Connector	Terminal
E73	43	Ground	Other than the battery voltage
	44

Is the inspection result normal?

YES

GO TO 4 .

Repair or replace malfunctioning parts.

CHECK CIRCUIT BETWEEN C1 CLUTCH SOLENOID VALVE AND TCM

Disconnect TCM connector and A/T assembly connector.
Turn ignition switch ON.
Check voltage between the terminal in TCM connector terminals and ground.

TCM		-	Voltage
Connector	Terminal
E73	43	Ground	Other than the battery voltage
	44

Is the inspection result normal?

YES

Replace the transmission assembly. Refer to Removal and Installation (2WD), Removal and Installation (4WD).

Repair or replace malfunctioning parts.