Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR A CURRENT DTC
1. Turn ignition switch ON.
2. Connect CONSULT and check for other existing "ENGINE" diagnostic trouble codes.
3. Check for DTC P2267-00 current on the CONSULT screen.
Is applicable DTC current?

YES

GO TO 2 .

NO

Refer to Intermittent Incident .
INSPECT THE WATER-IN-FUEL SENSOR AND CONNECTOR PINS
1. Turn ignition switch OFF.
2. Disconnect the water-in-fuel sensor.
3. Inspect connector for the following:
  - Loose connector.
  - Corroded pins.
  - Bent or broken pins.
  - Pushed back or expanded pins.
  - Moisture in or on the connector.
  - Missing or damaged connector seals.
  - Dirt or debris on or in the connector pins.
  - Connector shell broken.
  - Wire insulation damage.
  - Damaged connector locking tab.
Is the inspection result normal?

YES

GO TO 3 .

NO

Repair or replace error-detected parts.
INSPECT THE WATER-IN-FUEL SENSOR RESISTANCE
Test the water-in-fuel sensor resistance. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 4 .

NO
- Replace the water-in-fuel sensor. Refer to Removal and Installation .
- GO TO 10 .
CHECK THE CIRCUIT RESPONSE
1. Reconnect the water-in-fuel sensor.
2. Turn ignition switch ON.
3. Wait 30 seconds.
4. Using CONSULT, check for current "ENGINE" diagnostic trouble codes.
Is P2267-00 DTC current?

YES

GO TO 5 .

NO
- The removal and installation of the connector corrected the issue.
- GO TO 10 .
INSPECT ECM AND ELECTRICAL CONNECTOR PINS
1. Turn ignition switch OFF.
2. Disconnect the ECM.
3. Inspect connector for the following:
  - Loose connector.
  - Corroded pins.
  - Bent or broken pins.
  - Pushed back or expanded pins.
  - Moisture in or on the connector.
  - Missing or damaged connector seals.
  - Dirt or debris on or in the connector pins.
  - Connector shell broken.
  - Wire insulation damage.
  - Damaged connector locking tab.
Is the inspection result normal?

YES

GO TO 6 .

NO
- Repair or replace error-detected parts.
- GO TO 10 .

CHECK WATER IN FUEL SENSOR RETURN CIRCUIT FOR OPEN

Disconnect the water in fuel sensor.

Check water-in-fuel sensor return circuit for continuity between ECM and water-in-fuel sensor connectors.

ECM		Water in fuel sensor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E93	41	F225	2	Yes

Is the inspection result normal?

YES

GO TO 7 .

Repair open circuit in harness or connectors.
GO TO 10 .

CHECK WATER-IN-FUEL SENSOR SIGNAL CIRCUIT FOR OPEN

Check water in fuel sensor signal circuit for continuity between ECM and water in fuel sensor connectors.

ECM		Water in fuel sensor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E93	77	F225	1	Yes

Is the inspection result normal?

YES

GO TO 8 .

Repair open circuit in harness or connectors.
GO TO 10 .

CHECK WATER-IN-FUEL SENSOR SIGNAL CIRCUIT FOR SHORT TO OTHER CIRCUITS

Check water-in-fuel sensor signal circuit for continuity between ECM connector terminal 77 and all other terminals.

ECM			Continuity
Connector	Terminal	Terminal	Continuity
E93	77	All others	No

Is the inspection result normal?

YES

GO TO 9 .

Repair or replace harness for a short circuit.
GO TO 10 .

CHECK THE DTC AND VERIFY SENSOR CONDITION
1. Connect all harness connectors.
2. Turn ignition switch ON.
3. Wait 30 seconds.
4. Using CONSULT, check for current "ENGINE" diagnostic trouble codes.
Is P2267-00 DTC current?

YES
- Diagnosis procedure needs to be repeated. Go to DTC Description .
- GO TO 10 .
NO

The removal and installation of the connector corrected the issue.
ERASE CURRENT DTCS
1. Using CONSULT, erase "ENGINE" diagnostic trouble codes.
2. Operate the engine within the "Conditions for Clearing the DTC".
3. Using CONSULT, check for current "ENGINE" diagnostic trouble codes.
Is P2267-00 DTC current?

YES

Diagnosis procedure needs to be repeated. Go to DTC Description .

NO

Repair complete.