Fuel Level Sensor Open - Dodge Neon 2001 Service Manual

Symptom:

FUEL LEVEL SENSOR OPEN

When Monitored and Set Condition:
FUEL LEVEL SENSOR OPEN
When Monitored: With the ignition on. (Customer Complaint: fuel gauge displays empty)
Set Condition: The Instrument Cluster monitors the Fuel Level Sensor Signal circuit
resistance. If the Cluster detects a resistance greater than 1100 ohms or less than 25 ohms
for 18 seconds, this code will set.
INTERMITTENT CONDITION
FUEL LEVEL SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
FUEL LEVEL SENSOR SIGNAL CIRCUIT OPEN
FUEL PUMP MODULE GROUND CIRCUIT OPEN
FUEL LEVEL SENSOR
INSTRUMENT CLUSTER
TEST
1 Turn the ignition on.
With the DRBIII , erase DTC's.
Cycle the ignition off and then back on.
With the DRBIII , read DTC's.
Does the DRBIII display Fuel Level Sensor Open ?
→ Test complete. DTC is intermittent. Road test the vehicle and
No
Yes → Go To 2
2 Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Check connectors - Clean/repair as necessary.
Measure the voltage between the Fuel Level Sensor Signal circuit and ground.
Is there any voltage present?
Yes → Repair the Fuel Level Sensor Signal circuit for a short to voltage.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
recheck for DTC's. If the code returns, rerun this test. Refer to any
Technical Service Bulletins (TSB) that may apply. Inspect related
harness and connectors.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
141
APPLICABILITY
All
All