CAN

INV/MC BRANCH LINE CIRCUIT

Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the power switch OFF.
2.Disconnect the 12V battery cable from the negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
3.Check the terminals and connectors of the traction motor inverter for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS FOR OPEN CIRCUIT

1.Disconnect the connector of traction motor inverter.
2.Check the resistance between the traction motor inverter harness connector terminals.





Is the measurement value within the specification?
YES- GO TO 3.
NO- Repair the traction motor inverter branch line.

3. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the traction motor inverter. Refer to "Diagnosis Procedure" 14Volt Power Voltage.
Is the inspection result normal?
YES (Present error)-Replace the traction motor inverter. Refer to "Removal and Installation"
YES (Past error)-Error was detected in the traction motor inverter branch line.
NO- Repair the power supply and the ground circuit.