Symptom:
FUEL LEVEL SENDING UNIT INPUT SHORT
When Monitored and Set Condition:
FUEL LEVEL SENDING UNIT INPUT SHORT
When Monitored:
With the ignition on.
Set Condition:
Fuel Level Input to the BCM is less than 2 volts for greater than 62.5
milliseconds.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUEL LEVEL SENDING UNIT
FUEL LEVEL SENSOR SIGNAL SHORTED TO GROUND
BCM
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t
, erase DTCs.
Cycle the ignition off and on, leaving ignition key on for at least 15 seconds.
With the DRBIII
t
in Body Computer, read DTCs.
Does the DTC reset?
All
Yes
→
Go To
2
No
→
Go To
5
2
Turn the ignition on.
With the DRBIII
t
in Body Computer and then Sensors, monitor the Fuel Sensor.
Disconnect the Fuel Tank Module harness connector.
Does the Fuel Sensor voltage go above 9.5 volts?
All
Yes
→
Replace the Fuel Level Sending Unit.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
3
3
Turn the ignition off.
Disconnect the BCM C3 harness connector.
Disconnect Fuel Tank Module harness connector.
Measure the resistance of the Fuel Level Sensor Signal circuit in the BCM harness
connector to ground.
Is the resistance below 5.0 ohms?
All
Yes
→
Repair the Fuel Level Sensor Signal circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
4
629
INSTRUMENT CLUSTER
Summary of Contents for Caravan 2003
Page 24: ...NOTES xxiv ...
Page 64: ...NOTES 40 ...
Page 65: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 41 ...
Page 1080: ...C O N N E C T O R P I N O U T S 1056 CONNECTOR PINOUTS ...
Page 1119: ...10 2 2 BASE AUDIO SYSTEM S C H E M A T I C D I A G R A M S 1095 SCHEMATIC DIAGRAMS ...
Page 1123: ...10 3 3 FRONT ATC RHD S C H E M A T I C D I A G R A M S 1099 SCHEMATIC DIAGRAMS ...
Page 1125: ...10 4 COMMUNICATION S C H E M A T I C D I A G R A M S 1101 SCHEMATIC DIAGRAMS ...
Page 1130: ...10 6 EXTERIOR LIGHTING S C H E M A T I C D I A G R A M S 1106 SCHEMATIC DIAGRAMS ...
Page 1136: ...10 9 INTERIOR LIGHTING S C H E M A T I C D I A G R A M S 1112 SCHEMATIC DIAGRAMS ...
Page 1143: ...10 10 7 REAR BLOWER MOTOR S C H E M A T I C D I A G R A M S 1119 SCHEMATIC DIAGRAMS ...
Page 1145: ...10 11 MEMORY SYSTEM S C H E M A T I C D I A G R A M S 1121 SCHEMATIC DIAGRAMS ...
Page 1146: ...10 12 OVERHEAD CONSOLE S C H E M A T I C D I A G R A M S 1122 SCHEMATIC DIAGRAMS ...
Page 1147: ...10 13 POWER DOOR LOCKS RKE S C H E M A T I C D I A G R A M S 1123 SCHEMATIC DIAGRAMS ...
Page 1150: ...10 16 POWER LIFTGATE SYSTEM S C H E M A T I C D I A G R A M S 1126 SCHEMATIC DIAGRAMS ...
Page 1155: ...10 20 VEHICLE THEFT SECURITY SYSTEM S C H E M A T I C D I A G R A M S 1131 SCHEMATIC DIAGRAMS ...
Page 1157: ...10 21 WIPERS FRONT AND REAR S C H E M A T I C D I A G R A M S 1133 SCHEMATIC DIAGRAMS ...
Page 1158: ...NOTES 1134 ...
Page 1160: ...11 2 PCI BUS LAB SCOPE PATTERN C H A R T S A N D G R A P H S 1136 CHARTS AND GRAPHS ...