Water In Fuel Sensor Signal Error

Test 1:

Test 2 - Test 4:

Test 5 - Test 9:

Test 10 - Test 11:

SYMPTOM
P2009-WATER IN FUEL SENSOR SIGNAL ERROR

TEST NOTE
This symptom is diagnosed using the test P2009-WATER IN FUEL SENSOR - WATER IN FUEL.

POSSIBLE CAUSES
- 12-volt supply circuit open
- Checking ECM power and grounds
- Checking the engine control relay system
- ECM - water in fuel sensor signal circuit shorted to voltage
- ECM - water in fuel sensor signal short to ground
- Sensor ground circuit open
- Water in fuel sensor failure
- Water in fuel sensor signal circuit open
- Water in fuel sensor signal circuit shorted to 12-volt supply
- Water in fuel sensor signal circuit shorted to ground
- Water in fuel sensor signal circuit shorted to sensor ground
- Water in fuel sensor signal circuit shorted to voltage
- Intermittent condition