Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fuel Pump Electrical Circuit Diagnosis
| 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 | - | P0230 | P0230 | - |
| Fuel Pump Ground | - | 2 | - | - |
| 1
Open fuel pump fuse, cranks no start 2 Cranks no start 3 Fuel pump operates continuously, then discharged battery |
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