Fuel Pump Relay Circuit Shorted to Ground
Test 1 - Test 2:
Test 3 - Test 6:
SYMPTOM
P2100-FUEL PUMP RELAY CIRCUIT SHORTED TO GROUND
TEST NOTE
This symptom is diagnosed using the test P2100-FUEL PUMP RELAY CIRCUIT OPEN CIRCUIT.
POSSIBLE CAUSES
- Intermittent condition
- Engine control relay output circuit open
- Fuel lift pump relay
- Fuel lift pump relay control circuit shorted to ground
- Fuel lift pump relay control circuit open
- Engine control module