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Pinpoint Test K : B1310:12: Notes

Refer to Power Distribution for schematic and connector information.

Normal Operation and Fault Conditions 

When the ignition is placed in RUN mode, the BCM provides a ground for the coil (control) side of the run/start relay located in the BJB. The BCM monitors the run/start relay control circuit and sets a DTC if the circuit is short to voltage.

BCM DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1310:12 Run/Start Control: Circuit Short to Battery Sets when the BCM detects a short to voltage from the BJB run/start relay control circuit. When set, the control side of the run/start relay is disabled via the Field Effect Transistor (FET). Once the condition that caused the DTC to set is repaired, the BCM must pass a self-test in order for the DTC to clear and the system to resume normal operation.

Possible Causes 

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