Fuel Level Sensor Open/Short To Battery - Mercedes-Benz Sprinter 2003 Manual

INSTRUMENT CLUSTER
Symptom:

FUEL LEVEL SENSOR OPEN/SHORT TO BATTERY

FUEL LEVEL SENSOR
FUEL LEVEL SENSOR SIGNAL (+) CIRCUIT SHORT TO VOLTAGE
FUEL LEVEL SENSOR SIGNAL RETURN CIRCUIT OPEN
FUEL LEVEL SENSOR SIGNAL (+) CIRCUIT OPEN
INSTRUMENT CLUSTER
TEST
1 Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Turn the ignition on.
Measure the voltage between Fuel Level Sensor Signal (+) circuit and ground.
Is the voltage above 0.2 volts?
Yes → Repair the Fuel Level Sensor Signal (+) circuit for a short to
→ Go To 2
No
2 Turn the ignition off.
Reconnect the Instrument Cluster C1 harness connector.
Disconnect the Fuel Pump Module harness connector.
Connect a jumper wire between the Fuel Level Sensor Signal (+) and the Fuel Level
Sensor Signal Return circuit.
Turn the ignition on.
With the DRBIII , read DTCs.
Does the DRBIII display Fuel Level Sensor Open/Short to Battery?
Yes → Go To 3
→ Replace the Fuel Level Sensor in accordance with the Service
No
3 Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Measure the resistance of the Fuel Level Sensor Signal Return circuit between the
Fuel Pump Module harness connector and the Instrument Cluster harness connector.
Is the resistance above 10 ohms?
Yes → Repair the Fuel Level Sensor Signal Return circuit for an open.
→ Go To 4
No
POSSIBLE CAUSES
ACTION
voltage.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
180
APPLICABILITY
All
All
All