TEST
ACTION
APPLICABILITY
5
Turn the ignition off.
Disconnect the Water In Fuel Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between the 12-volt supply circuit and the Water In Fuel
Sensor Signal circuit.
Is the resistance above 1000 ohms?
All
Yes
→ Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No
→ Repair the Water In Fuel Sensor Signal circuit for a short to the
12-volt Supply circuit.
Perform ROAD TEST VERIFICATION - VER-2.
6
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Water In Fuel Sensor harness connector.
Measure the resistance of the 12-Volt Supply circuit between the ECM harness
connector and the Water In Fuel Sensor harness connector.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 7
No
→ Repair the 12-Volt Supply circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
7
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Water In Fuel Sensor harness connector.
Measure the resistance of the Sensor Ground circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Replace the Water In Fuel Sensor.
Perform ROAD TEST VERIFICATION - VER-2.
No
→ Repair the Sensor Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
8
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Water In Fuel Sensor harness connector.
Measure the resistance of the Water In Fuel Sensor Signal circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 9
No
→ Repair the Water In Fuel Sensor Signal circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
9
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Water In Fuel Sensor harness connector.
Measure the resistance between ground and the Water In Fuel Sensor Signal circuit.
Is the resistance above 1000 ohms?
All
Yes
→ Go To 10
No
→ Repair the Water In Fuel Sensor Signal circuit for a short to
ground.
Perform ROAD TEST VERIFICATION - VER-2.
108
DRIVEABILITY - DIESEL
P2009-WATER IN FUEL SENSOR - WATER IN FUEL —
Continued