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 FUSE
Check that the following fuse is not blown.
Signal name
Fuse No.
Battery power supply
69 (30A)
Is the fuse blown?
YES
Replace the blown fuse after repairing the affected circuit.
NO
GO TO 2.
- CHECK INVERTER UNIT POWER SUPPLY CIRCUIT
- Disconnect inverter unit connector B82.
- Check voltage between inverter unit connector B82 terminal 4 and ground.
Inverter unit
Ground
Voltage
(Approx.)
Connector
Terminal
B82
4
--
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace the inverter unit power supply circuit.
- CHECK INVERTER UNIT GROUND CIRCUIT
Check continuity between inverter unit connector B82 terminal 8 and ground.
Inverter unit
Ground
Continuity
Connector
Terminal
B82
8
--
Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace the inverter unit ground circuit.