Diagnosis Procedure
- CHECK FUSE
Check that the following fuse are not blown.
Signal name Fuse No. Battery power supply 20 Ignition power supply 53 Is the fuse blown (open)?
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Replace the blown fuse after repairing the affected circuit if a fuse is blown.
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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 M454 8 OFF 6 - 16 V Battery voltage 5 ON 7 - 16 V Battery voltage
Is the measurement value normal?
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GO TO 3.
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Repair harness or connector.
- CHECK GROUND CIRCUIT
Check continuity between 3CH CAN gateway harness connector and ground.
3CH CAN gateway Ground Continuity Connector Terminal M454 6 Existed 7 Does continuity exist?
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INSPECTION END
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Repair harness or connector.