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Home >> Pontiac >> 2008 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls And Fuel - 3.8L - Troubleshooting & Diagnosis) >> Fuel Pump Electrical Circuit Diagnosis >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Battery Voltage - Relay Switch Side 1 2 - -
Fuel Pump Supply Voltage 1 2 3 -
Fuel Pump Relay Control P0230 P0230 P0230 -
Fuel Pump Relay Ground - 2 - -
Fuel Pump Ground - 2 - -
1 Open fuel pump fuse, cranks no start
2 The engine cranks but does not run.
3 Fuel pump operates continuously, then discharged battery