Interior Lighting System (Circuit Diagnosis)
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.
CAUTION:
Before performing the diagnosis, check that the following is normal:
- Battery saver output/power supply
- CHECK OUTSIDE HANDLE LAMP OUTPUT
- Turn ignition switch OFF.
- Open driver's door.
- Check voltage between BCM harness connector M19 terminal 65 and ground.
BCM
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M19
65
Any door
Open
0 V
Closed
Battery voltage
Is the inspection result normal?
YES
Front outside handle assembly control circuit is operating normally.
Fixed ON
GO TO 3.
Fixed OFF
GO TO 2.
- CHECK OUTSIDE HANDLE LAMP OPEN CIRCUIT
- Disconnect BCM harness connector and front outside handle assembly LH/RH harness connectors.
- Check continuity between BCM harness connector and front outside handle assembly harness connector.
BCM
Front outside handle assembly
Continuity
Connector
Terminal
Connector
Terminal
M19
65
LH
D15
4
Yes
RH
D115
Is the inspection result normal?
YES
Replace front outside handle lamp. Refer to Removal and Installation .
NO
Repair or replace harness or connector.
- CHECK OUTSIDE HANDLE LAMP SHORT CIRCUIT
- Disconnect BCM harness connector and front outside handle assembly LH/RH harness connectors.
- Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M19
65
No
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness or connector.