Diagnosis Procedure
- CHECK FUSE
Check that the following fuse are not blown.
Signal name
Fuse No.
Battery power supply
55
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.
- Check voltage between CAN gateway harness connector and ground.
Terminals
Condition
Voltage
(Standard)
Voltage
(Reference value)
(+)
(-)
CAN gateway
Ground
Ignition switch
Connector
Terminal
M218
18
OFF
9 - 16 V
Battery
voltage
Is the measurement value normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the connector of CAN gateway.
- Check continuity between CAN gateway harness connector and ground.
CAN gateway
Ground
Continuity
Connector
Terminal
M218
13
Existed
Does continuity exist?
YES
INSPECTION END
NO
Repair harness or connector.