Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
  - Lane camera unit
  - Harness connector R1
  - Harness connector M1
  - ADAS control unit 2
Is the inspection result normal?

YES

GO TO 2.

NO

Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Disconnect the connector of ADAS control unit 2.

Check the continuity between the ADAS control unit 2 harness connector terminals.

ADAS control unit 2 harness connector			Continuity
Connector No.	Terminal No.
M198	18	2	Existed
	6	5	Existed

Is the inspection result normal?

YES

GO TO 3.

Check the harness and repair the root cause (Chassis communication circuit side).

CHECK HARNESS FOR OPEN CIRCUIT

Connect the connector of ADAS control unit 2.
Disconnect the connector of lane camera unit.

Check the resistance between the lane camera unit harness connector terminals.

Lane camera unit harness connector			Resistance (Ohm)
Connector No.	Terminal No.
R6	5	6	Approx. 54 - 66

Is the measurement value within the specification?

YES

GO TO 4.

Repair the lane camera unit branch line.

CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the lane camera unit. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

Replace the lane camera unit. Refer to Removal and Installation .

YES

Error was detected in the lane camera unit branch line.

NO

Repair the power supply and the ground circuit.