Chrysler Concorde 2004 Service Manual page 387

*FUEL GAUGE NOT OPERATING PROPERLY —
TEST
6 Turn the ignition off.
Remove the Fuel Tank from the vehicle.
Remove the Fuel Pump Module from the Fuel Tank.
Inspect the Fuel Pump Module for a bent or sticking arm and the Fuel Tank for any
foreign materials.
Is the Fuel Tank and Fuel Pump Module visual condition good?
Yes → Replace the Fuel Pump Module.
→ Repair or replace as necessary.
No
7 Turn the ignition off.
Gain access to the body harness connector C308 by removing the rear seat cushion.
Disconnect the C308 harness connector.
Turn the ignition on.
With the DRB, select BODY, BODY COMPUTER, then SENSORS and observe the
fuel level voltage.
Is the voltage above 9.0 volts?
Yes → Go To 8
→ Go To 9
No
8 Turn the ignition on.
With the C308 harness connector disconnected, observe the Fuel Gauge.
Did the Fuel Gauge drop to empty?
Yes → Check the Fuel Pump Module Jumper harness between the C308
→ Replace the Instrument Cluster in accordance with the Service
No
9 Turn the ignition off.
Disconnect the BCM C4 harness connector.
Measure the resistance between ground and the Fuel Level Sensor Signal circuit.
Is the resistance above 100 kohms?
Yes → Replace the BCM.
→ Repair the Fuel Level Sensor Signal circuit for a short to ground.
No
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
and the Fuel Pump Module. If OK, replace the Fuel Pump
Module.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
Continued
371
APPLICABILITY
All
All
All
All