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 (F214 and F216 and E73 and E74).

Is the inspection result normal?

YES

GO TO 2 .

NO

Repair or replace malfunctioning parts.

CHECK CIRCUIT BETWEEN A/T FLUID TEMPERATURE SENSOR 1 AND TCM

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

TCM		-	Continuity
Connector	Terminal
E73	57	Ground	Not existed
	58

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace malfunctioning parts.

CHECK CIRCUIT BETWEEN A/T FLUID TEMPERATURE SENSOR 1 AND ANOTHER CIRCUIT

Check continuity between TCM harness connector terminals.

TCM			Continuity
Connector	Terminal
E73	57	Other than the 57	Not existed
	58	Other than the 58

Is the inspection result normal?

YES

GO TO 4 .

Repair or replace malfunctioning parts.

CHECK CIRCUIT BETWEEN A/T FLUID TEMPERATURE SENSOR 1 AND TCM

Turn ignition switch OFF.
Disconnect TCM connector and A/T fluid temperature sensor 1 connector.
Turn ignition switch ON.
Check voltage between TCM harness connector terminals and ground.

TCM		-	Voltage
Connector	Terminal
E73	57	Ground	Other than the battery voltage
	58

Is the inspection result normal?

YES

Replace A/T fluid temperature sensor 1. Refer to Removal and Installation .

Repair or replace malfunctioning parts.