Circuit/System Verification
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, observe the scan tool Calc. Hybrid Batt. Current parameter. The reading should be between -200 and +200 A, and change with the amount of current draw on the drive motor generator battery.