Diagnosis Procedure - Late Production

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).
  - Driver seat control unit
  - Harness connector B200
  - Harness connector B54
Is the inspection result normal?

YES

GO TO 2.

NO

Repair the terminal and connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect the connector of driver seat control unit.

Check the resistance between the driver seat control unit harness connector terminals.

Driver seat control unit harness connector			Resistance (Ohm)
Connector No.	Terminal No.
B209	16	32	Approx. 54 - 66

Is the measurement value within the specification?

YES

GO TO 3.

Repair the driver seat control unit branch line.

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

Is the inspection result normal?

YES

Replace the driver seat control unit. Refer to Removal and Installation .

YES

Error was detected in the driver seat control unit branch line.

NO

Repair the power supply and the ground circuit.