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.

The back door open warning is displayed continuously even though the back door is closed.
The back door open warning is not displayed even though the back door is open.

CHECK BCM INPUT SIGNAL
Check the BCM input signal. Refer to Component Function Check .

Is the inspection result normal?

YES

GO TO 2.

NO

GO TO 3.

CHECK COMBINATION METER INPUT SIGNAL

Select the METER/M&A Data Monitor and check the DOOR W/L monitor value.

"DOOR W/L"
Door open	: On
Door closed	: Off

Is the inspection result normal?

YES

Replace combination meter. Refer to Removal and Installation .

Replace BCM. Refer to Removal and Installation .

CHECK BACK DOOR SWITCH SIGNAL CIRCUIT
Check the back door switch signal circuit. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 4.

NO

Repair harness or connector.
CHECK BACK DOOR SWITCH
Perform a unit check for the back door switch. Refer to Component Inspection .

Is the inspection result normal?

YES

Replace combination meter. Refer to Removal and Installation .

NO

Replace back door switch. Refer to Removal and Installation .