Driver Assistance System (DTC/Circuit Diagnosis)

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE

Check that the following fuse is not blown.

Signal name	Fuse No.
Ignition power supply	30 (10 A)

Is the fuse blown?

YES

Replace the blown fuse after repairing the affected circuit.

GO TO 2.

CHECK LANE CAMERA UNIT POWER SUPPLY CIRCUIT

Check voltage between lane camera unit harness connector and ground.

Terminal			Condition	Voltage (Approx.)
(+)		(-)
Lane camera unit		Ground	Ignition switch
Connector	Terminal
R6	3		OFF	0 V
			ON	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

Repair the lane camera unit power supply circuit.

CHECK LANE CAMERA UNIT GROUND CIRCUIT

Turn the ignition switch OFF.
Disconnect the lane camera unit connector.

Check for continuity between lane camera unit harness connector and ground.

Lane camera unit		Ground	Continuity
Connector	Terminal
R6	1		Yes

Is the inspection result normal?

YES

Inspection End.

Repair the lane camera unit ground circuit.