DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK A/T FLUID TEMPERATURE SENSOR
1. Remove the control valve with TCM. Refer to Exploded View .
2. Disconnect transmission range switch connector.
3. Check A/T fluid temperature sensor. Refer to Component Inspection .
Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace damaged parts.

CHECK SUB-HARNESS

Disconnect TCM connector.

Check continuity between transmission range switch harness connector (A) terminals and TCM harness connector (B) terminals.

Courtesy of NISSAN NORTH AMERICA, INC.

Transmission range switch		TCM		Continuity
Connector	Terminal	Connector	Terminal
F505	6	F503	19	Existed
	7		18

If OK, check harness for short to ground and short to power.

Is the inspection result normal?

YES

GO TO 3.

Repair or replace damaged parts.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

Replace the control valve with TCM. Refer to Exploded View .

NO

Repair or replace damaged parts.