Diagnosis Procedure: RH

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

CHECK FUSE

Check if any of the following fuses are blown.

Signal name	Fuse No.
Battery power supply	60 (15A)
IGN power supply	29 (5A)

Is the fuse blown?

YES

Replace the blown fuse after repairing the affected circuit.

GO TO 2 .

CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT RH POWER SUPPLY

Turn ignition switch OFF.
Disconnect climate controlled seat control unit RH connector.
Turn ignition switch ON.

Check voltage between climate controlled seat control unit RH harness connector B305 and ground.

(+)		(-)	Voltage (Approx.)
Climate controlled seat control unit RH
Connector	Terminal
B305	25	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 7 .

GO TO 3 .

CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT RH POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect climate controlled seat relay.

Check continuity between climate controlled seat control unit RH harness connector B305 and climate controlled seat relay harness connector M99.

Climate controlled seat control unit RH		Climate controlled seat relay		Continuity
Connector	Terminal	Connector	Terminal	Continuity
B305	25	M99	3	Yes

Check continuity between climate controlled seat control unit RH harness connector B305 and ground.

Climate controlled seat control unit RH		(-)	Continuity
Connector	Terminal
B305	25	Ground	No

Is the inspection result normal?

YES

GO TO 4 .

Repair or replace harness or connector.

CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT

Turn ignition switch ON.

Check voltage between climate controlled seat relay harness connector M99 and ground.

(+)		(-)	Voltage (Approx.)
Climate controlled seat relay
Connector	Terminal
M99	2	Ground	Battery voltage
	5

Is the inspection result normal?

YES

GO TO 5 .

Repair or replace harness or connector.

CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between climate controlled seat relay harness connector M99 and ground.

Climate controlled seat relay		(-)	Continuity
Connector	Terminal
M99	1	Ground	Yes

Is the inspection result normal?

YES

GO TO 6 .

Repair or replace harness.

CHECK CLIMATE CONTROLLED SEAT RELAY
Check climate controlled seat relay.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 7 .

NO

Replace climate controlled seat relay.

CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT RH GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between climate controlled seat control unit RH harness connector B305 and ground.

Climate controlled seat control unit RH		(-)	Continuity
Connector	Terminal
B305	27	Ground	Yes

Is the inspection result normal?

YES

Check intermittent incident. Refer to Intermittent Incident .

Repair harness or connector.