Circuit/System Description

The Battery Energy control module 1 monitors a control pilot signal from the drive motor battery charger cable. The Battery Energy control module 1 utilizes this signal to manage the charging process between the drive motor battery charger cable and the Battery Energy control module 1.

Under normal charging conditions the control pilot signal is generated by the drive motor battery charger cable. This diagnostic runs with the drive motor battery charger cable disconnected to verify the vehicle side circuit integrity. The diagnostic signal is generated internally by the Battery Energy control module 1.