Nissan Rogue (T33) 2021-Present Service Manual: P025a Fuel Pump Relay
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P025A | 00 |
FUEL PUMP MODULE A (Fuel Pump Module "A" Control Circuit/Open) |
Diagnosis condition | The ignition switches on and the engine stops. |
| Signal (terminal) | Fuel pump relay signal | |||
| Threshold | When ECM detects open circuit depending on fuel pump relay operating voltage. | |||
| Diagnosis delay time | ― | |||
POSSIBLE CAUSE
-
Harness or connectors (circuit is open)
-
ECM internal malfunction
FAIL-SAFE
Not applicable
DTC Confirmation Procedure
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
YES>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
Turn ignition switch ON and wait at least 15 seconds.
Is DTC detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
CHECK FUEL PUMP
Check fuel pump. Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace malfunctioning part.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure. Refer to DTC Description.
Is the DTC P025A displayed again?
YES>>Replace ECM. Refer to ECM : Removal & Installation.
NO>>INSPECTION END
Other materials:
Low Pressure Fuel Pump
Component Function Check
CHECK LOW PRESSURE FUEL PUMP FUNCTION
Turn ignition switch ON.
Pinch fuel feed hose with two fingers.
Fuel pressure pulsation should be felt on the fuel feed hose for 1 second after ignition switch is turned ON.
Is the inspection result normal?
YES ...
Information Display (ascd)
Component Function Check
CHECK INFORMATION DISPLAY
Start engine.
Press MAIN switch on ASCD steering switch.
Drive the Nissan Ariya vehicle at more than 40 km/h (25 MPH).
CAUTION:
Always drive vehicle at a safe speed.
Press SET— switch.
Check that the reading of the sp ...
Basic Inspection. Zero Point Reset
Description
Zero point reset is an initializing procedure for occupant detection
system sensor that must be performed when replacing or removing and
installing passenger seat.If zero point reset is not performed,
the initialization is incomplete and Occupant Detection System does not
operat ...
