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 FUSIBLE LINK
Check that the following fusible link is not open.
Fusible link No.
Signal name
N (40A)
Battery power supply
Is the fusible link open?
YES
Replace the open fusible link after repairing the affected circuit.
NO
GO TO 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect automatic back door control module connector.
- Check voltage between automatic back door control module harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Automatic back door control module
Connector
Terminal
B56
25
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT
Check continuity between automatic back door control module harness connector and ground.
Automatic back door control module
Ground
Continuity
Connector
Terminal
B56
32
Yes
28
B55
4
10
Does continuity exist?
YES
Inspection End.
NO
Repair or replace harness.