Diagnosis Procedure

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 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).
  - Distance sensor
  - Harness connector E209
  - Harness connector E26
Is the inspection result normal?

YES

GO TO 2.

NO

Repair the terminal and connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect the connector of distance sensor.

Check the resistance between the distance sensor harness connector terminals.

Distance sensor harness connector			Resistance (Ohm)
Connector No.	Terminal No.
E202	3	6	Approx. 108 - 132

Is the measurement value within the specification?

YES

GO TO 3.

Repair the distance sensor branch line.

CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the distance sensor. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

Replace the distance sensor. Refer to Removal and Installation .

YES

Error was detected in the distance sensor branch line.

NO

Repair the power supply and the ground circuit.