B1516
DTC B1516
CIRCUIT DESCRIPTION
The generator battery control module monitors its internal battery current sensor for many charging system operations. When the values of the battery current sensor go out of range, DTC B1516 will set.
DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B1516 Battery Current Sensor Performance
CONDITIONS FOR RUNNING THE DTC
- Engine running for 30 seconds
- This diagnostic shall be run every 100 ms.
- The generator field duty cycle is at 100 percent for 4 minutes.
CONDITIONS FOR SETTING THE DTC
The duty cycle of the internal battery current sensor is less than 4 percent duty cycle or greater than 96 percent duty cycle for greater than 240 seconds.
ACTION TAKEN WHEN THE DTC SETS
The generator battery control module will request the driver information center (DIC) message of Charging System Fault and commands ON the Battery indicator.
CONDITIONS FOR CLEARING THE DTC
- The duty cycle of the internal battery current sensor is greater than 4 percent duty cycle or less than 96 percent duty cycle.
- Clear the DTC with a scan tool.
DIAGNOSTIC AIDS
IMPORTANT: You must cycle the ignition after clearing the DTC to turn OFF the DIC message of Service Charging System.
Recommended Action:
- Clear the codes.
- Cycle the ignition.
TEST
