STEP 4. Measurement the voltage at battery management unit (BMU) connector (IGCT terminal).
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn on the power supply mode of the electric motor switch.
(3) Check the voltage between the battery management unit (BMU) connector (IGCT terminal) and body ground.OK: Battery voltage
(4) Turn off the power supply mode of the electric motor switch.
Is the check result normal?
Go to Step 5. Repair IGCT line between relay box 3 (engine compartment) and BMU connector.