B1327

CIRCUIT DESCRIPTION
The BCM monitors the battery positive voltage and battery negative circuit voltage to determine if it is between 9.0-15.0 volts and sends this information out as a class 2 message to the IRC and RFA.

CONDITIONS FOR RUNNING THE DTC
This DTC shall run only if the BCM has power, ground and the ignition in not in START mode.

CONDITIONS FOR SETTING THE DTC
This DTC shall be set as current when the voltage falls below 9.0 volts for 1.2 milliseconds.

ACTION TAKEN WHEN THE DTC SETS
A message shall be sent out on the class 2 lines to illuminate the charge indicator and security lamp.

CONDITIONS FOR CLEARING THE MIL/DTC
In order to clear the DTC from a current status the voltage shall be greater than 9.54 volts for 1200 milliseconds.

TEST

Steps 1-4: