B1983 Source/Battery Voltage Low - IPC
Diagnostic Chart:

Wiring Diagram:

Circuit Description:
Battery voltage is supplied to the IPC at connector C1 terminal "A1" and "B1." While the IPC is "awake." The battery voltage at Connector C1 terminal "A1" and "B1" is measured every 300 ms.
DTC Will Set When:
Battery voltage measured at connector C1 terminal "A1" and "B1" is less than 9 volts for four monitoring cycles.
Action Taken (By IPC):
When DTC B1982 is current loss of Class 2 Serial Data DTCs will not be set.