Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUSE
Check that the following fuse are not blown.
Signal name
Fuse No.
Battery power supply
9
Ignition power supply
30
Is the fuse blown (open)?
YES
Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
GO TO 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the connector of 3CH CAN gateway.
- Check voltage between 3CH CAN gateway harness connector and ground.
Terminals
Condition
Voltage
(Standard)
Voltage
(Reference value)
(+)
(-)
3CH CAN gateway
Ground
Ignition switch
Connector
Terminal
M90
8
OFF
6 - 16 V
Battery
voltage
5
ON
7 - 16 V
Battery
voltage
Is the measurement value normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK GROUND CIRCUIT
Check continuity between 3CH CAN gateway harness connector and ground.
3CH CAN gateway
Ground
Continuity
Connector
Terminal
M90
6
Existed
7
Does continuity exist?
YES
INSPECTION END
NO
Repair harness or connector.