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.

Automatic back door open/close function does not operate using all switches.

NOTE: Automatic back door open/close operation condition is extremely complicated. During operating confirmations, reconfirm the list above twice in order to ensure proper operation. Refer to System Description .

CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL MODULE
Check that DTC is not detected with automatic back door control module.

Is the inspection result normal?

YES

GO TO 2.

NO

Perform trouble diagnosis relevant to DTC indicated.
CHECK BACK DOOR AUTO CLOSURE FUNCTION
Check back door auto closure function.

Is the inspection result normal?

YES

GO TO 3.

NO

Refer to Diagnosis Procedure .
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check automatic back door control module power supply and ground circuit.

Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace the malfunctioning parts.
CHECK GROUND CIRCUIT
Check automatic back door control module ground circuit.

Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 5.

NO

Repair or replace the malfunctioning parts.
CHECK TOUCH SENSOR LH
Check touch sensor LH.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 6.

NO

Repair or replace the malfunctioning parts.
CHECK TOUCH SENSOR RH
Check touch sensor RH.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 7.

NO

Repair or replace the malfunctioning parts.
REPLACE AUTOMATIC BACK DOOR CONTROL MODULE
1. Replace automatic back door control module. Refer to Removal and Installation .
2. Confirm the operation after replacement.
Is the result normal?

YES

Inspection End.

NO

Check intermittent incident. Refer to Intermittent Incident .