P2264-WATER IN FUEL VOLTAGE ABOVE UPPER LIMIT

For a complete wiring diagram Refer to Section 8W

• When Monitored:

  With the ignition on.

• Set Condition:

  The Water In Fuel Sensor signal is above 4.99 volts for 0.2 second.

Diagnostic Test

NOTE: If the ECM detects and stores a DTC, the ECM also stores the engine/vehicle operating conditions under which the DTC was set. Some of these conditions are displayed on the scan tool at the same time the DTC is displayed.

NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may assist when checking for an active DTC.

• Go To2

• Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)

• Go To3

• Repair the Water In Fuel Sensor Signal circuit for a short to voltage.
• Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

• Go To4

• Repair the Water In Fuel Sensor Signal circuit for an open.
• Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

• Go To5

• Repair the Water In Fuel Sensor Ground circuit for an open.
• Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

NOTE: The Water In Fuel Sensor voltage should be 5.0 ± 0.3 volts with the sensor harness connector disconnected.

NOTE: The Water In Fuel Sensor voltage should be less then 0.5 volt with the jumper wire connected.

• Replace the Water In Fuel Sensor in accordance with the Service Information.
• Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

• Replace and program the Front Control Module in accordance with the Service Information.
• Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).