Component Location
General Description

The ECM 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 ECM monitors the control circuit between the fuel pump relay and the ECM. When the ignition switch is turned ON, the ECM energizes the fuel pump relay, which sends power to the fuel pump.

DTC Description

ECM sets DTC P0230 if the ECM detects the fuel pump relay control circuit is open, short to ground or battery.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Voltage check

● Open or short in harness

● Contact resistance in connectors

● Faulty fuel pump relay

Enable Conditions

● 10V < Battery voltage < 16V

Threshold Value

● Open, short to battery or short to ground,

Diagnostic Time

● 3 seconds

MIL On Condition

● -

Schematic Diagram
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