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 BLIND SPOT WARNING INDICATOR CIRCUIT FOR OPEN 1

Turn ignition switch OFF.
Disconnect side radar LH harness connector and Blind Spot Warning/Blind Spot Intervention indicator harness connector.
Check continuity between side radar LH harness connector and Blind Spot Warning/Blind Spot Intervention indicator harness connector.

Side radar LH		Blind Spot Warning/Blind Spot Intervention indicator		Continuity
Connector	Terminal	Connector	Terminal
B416	4	D21	1	Existed

Is the inspection result normal?

YES

GO TO 2.

Repair the harnesses or connectors.

CHECK BLIND SPOT WARNING/BLIND SPOT INTERVENTION INDICATOR CIRCUIT FOR OPEN 2

Check continuity between Blind Spot Warning/Blind Spot Intervention indicator harness connector and ground.

Blind Spot Warning/Blind Spot Intervention indicator		Ground	Continuity
Connector	Terminal
D21	4		Existed

Is the inspection result normal?

YES

GO TO 3.

Repair the harnesses or connectors.

CHECK SIDE RADAR VOLTAGE OUTPUT

Connect side radar harness connector.

Check voltage between Blind Spot Warning/Blind Spot Intervention indicator harness connector and ground.

Blind Spot Warning/Blind Spot Intervention indicator		Ground	Condition	Voltage (Approx.)
Connector	Terminal
D21	1		Ignition switch OFF => ON (Approx. 2 sec.)	6 V

Is the inspection result normal?

YES

Replace Blind Spot Warning/Blind Spot Intervention indicator.

Replace side radar LH. Refer to Removal and Installation .