DTC Diagnosis Procedure

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

The electrical load signal (Rear window defogger switch signal, headlamp switch signal, heater fan switch signal, etc.) is transferred via the CAN communication line.

INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to Component Function Check .

Which circuit is related to the incident?

Rear window defogger

GO TO 2.

Headlamp

GO TO 3.

Heater fan

GO TO 4.
CHECK REAR WINDOW DEFOGGER SYSTEM
Refer to Work Flow .

INSPECTION END
CHECK HEADLAMP SYSTEM
Refer to Work Flow .

INSPECTION END
CHECK HEATER FAN CONTROL SYSTEM
Refer to Workflow .

INSPECTION END