General Information

Engine

Engine Control - P0231 Fuel Pump Secondary Circuit Low - General Information

Component Location





General Description

The PCM provides ground to one side of the coil in the fuel pump relay to control the fuel pump relay. The other side of the fuel pump relay coil is connected to fuel pump relay, which activates when the ignition switch is ON. The PCM monitors the control circuit between the fuel pump relay and the ECM. When the ignition switch is turned ON, the PCM energizes the fuel pump relay, which sends power to the fuel pump.

DTC Description

If there is Short to ground in fuel pump circuit, PCM sets DTC P0231.

DTC Detecting Condition





Specification





Schematic Diagram