Dodge Sprinter. Manual — part 406
Symptom:
AMBIENT TEMP SENSOR SHORT TO GROUND
POSSIBLE CAUSES
AMBIENT TEMPERATURE SENSOR
AMBIENT TEMPERATURE SENSOR SIGNAL (+) CIRCUIT SHORT TO GROUND
AMBIENT TEMPERATURE SENSOR SIGNAL (+) CIRCUIT SHORT TO SENSOR RETURN CIR-
CUIT
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Ambient Temperature Sensor harness connector.
Turn the ignition on. With the DRBIII
t, read DTCs.
Does the DRBIII
t display Ambient Temperature Sensor Open/Short to Battery?
All
Yes
→ Replace the Ambient Temperature Sensor.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Ambient Temperature Sensor harness connector.
Measure the resistance between ground and the Ambient Temperature Sensor Signal
(+) circuit.
Is the resistance below 1000 ohms?
All
Yes
→ Repair the Ambient Temperature Sensor Signal (+) circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Ambient Temperature Sensor harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Measure the resistance between the Ambient Temperature Sensor Signal (+) circuit
and Ambient Temperature Sensor Signal Return circuit.
Is the resistance below 1000 ohms?
All
Yes
→ Repair the Ambient Temperature Sensor Signal (+) circuit for a
short to the Sensor Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
181
INSTRUMENT CLUSTER
Symptom:
FUEL LEVEL SENSOR OPEN/SHORT TO BATTERY
POSSIBLE CAUSES
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
ACTION
APPLICABILITY
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?
All
Yes
→ Repair the Fuel Level Sensor Signal (+) circuit for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
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
t, read DTCs.
Does the DRBIII
t display Fuel Level Sensor Open/Short to Battery?
All
Yes
→ Go To 3
No
→ Replace the Fuel Level Sensor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
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?
All
Yes
→ Repair the Fuel Level Sensor Signal Return circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
182
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
4
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 (+) circuit between the Fuel
Pump Module harness connector and the Instrument Cluster harness connector.
Is the resistance above 10 ohms?
All
Yes
→ Repair the Fuel Level Sensor Signal (+) circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
183
INSTRUMENT CLUSTER
FUEL LEVEL SENSOR OPEN/SHORT TO BATTERY —
Continued
Symptom:
FUEL LEVEL SENSOR SHORT TO GROUND
POSSIBLE CAUSES
FUEL LEVEL SENSOR
FUEL LEVEL SENSOR CIRCUITS SHORTED TOGETHER
INSTRUMENT CLUSTER
FUEL LEVEL SENSOR SIGNAL (+) SHORT TO GROUND
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Turn the ignition on, with the DRBIII
t, read DTCs.
Does the DRBIII
t display: Fuel Level Sensor Shorted to Ground?
All
Yes
→ Go To 2
No
→ Replace the Fuel Level Sensor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Fuel Pump Module harness connector.
Measure the resistance between ground and the Fuel Level Sensor Signal (+) circuit.
Is the resistance below 1000 ohms?
All
Yes
→ Repair the Fuel Level Sensor Signal (+) circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Measure the resistance between the Fuel Level Sensor Signal (+) circuit and Fuel
Level Sensor Signal Return circuit.
Is the resistance below 1000 ohms?
All
Yes
→ Repair the Fuel Level Sensor Signal (+) circuit for a short to the
Sensor Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
184
INSTRUMENT CLUSTER
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