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 HARNESS BETWEEN INVERTER UNIT AND AC 120 V OUTLET MAIN SWITCH
- Turn ignition switch OFF.
- Disconnect inverter unit and AC 120 V outlet main switch connectors.
- Check continuity between inverter unit connector B82 terminal 7 and AC 120 V outlet main switch connector M88 terminal 5.
Inverter unit
AC 120 V outlet main switch
Continuity
Connector
Terminal
Connector
Terminal
B82
7
M88
5
Yes
- Check continuity between inverter unit connector B82 terminal 7 and ground.
Inverter unit
Ground
Continuity
Connector
Terminal
B82
7
No
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace the harness or connectors.
- CHECK AC 120 V OUTLET MAIN SWITCH GROUND CIRCUIT
Check continuity between AC 120 V outlet main switch connector M88 terminal 6 and ground.
AC 120 V outlet main switch
Ground
Continuity
Connector
Terminal
M88
6
Yes
Is the inspection result normal?
YES
GO TO 3.
NO
Repair AC 120 V outlet main switch ground circuit.
- CHECK AC 120 V OUTLET MAIN SWITCH INDICATOR OUTPUT SIGNAL
- Connect AC 120 V outlet main switch and inverter unit connectors.
- Turn ignition switch ON.
- AC 120 V outlet main switch ON.
- Check voltage between the inverter unit connector B82 terminal 7 and ground.
Inverter unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
AC 120V outlet main switch
B82
7
--
OFF
0V
ON
5.2V
Is the inspection result normal?
YES
Replace AC 120 V outlet main switch.
NO
Replace inverter unit.