Nissan Rogue (T33) 2021-Present Service Manual: B12a3-72 Fuel Pump Off Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen items (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B12A3-72 |
Fuel pump Off circuit (Fuel pump OFF circuit) |
[ACTUATOR STUCK OPEN] | Diagnosis condition | When ignition switch is ON |
| Signal (terminal) | CPU monitors the status at the contact and excitation coil circuits of the fuel pump relay inside it | |||
| Threshold | The fuel pump relay OFF is detected | |||
| Diagnosis delay time | 1 second or more | |||
POSSIBLE CAUSE
-
Fusible link
-
Fuse
-
Harness or connectors (battery power supply circuit is open or shorted to ground)
-
IPDM E/R
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch OFF.
-
Ignition switch ON.
-
Select “Self diagnosis result” mode of “IPDM E/R”.
Is DTC detected?
YES>>Refer 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 FUSE AND FUSIBLE LINK
-
Ignition switch OFF.
-
Check that the following IPDM E/R fuse and fusible link is not blown (open):
Signal name Fuse and Fusible link No. Capacity Battery power supply D 100A Ignition power supply 85 20A
Is the fuse and fusible link blown (open)?
YES>>Replace the blown (open) fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown (open).
NO>>GO TO 2.
CHECK BATTERY POWER SUPPLY VOLTAGE
-
Disconnect IPDM E/R connector.
-
Check voltage between IPDM E/R harness connector and the ground.
+ - Voltage IPDM E/R Connector Terminal E118 2 Ground Battery voltage
Is the inspection result normal?
YES>>Replace IPDM E/R. Refer to Removal and Installation.
NO>>Repair the harness or connector.
Other materials:
P025c Fuel Pump Relay
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P025C
00
Fuel pump module A
(Fuel Pump Module "A" Control Circuit Low)
Diagnosis condition
Engine running
Signal (terminal)
—
Threshold
An ex ...
P2100 Throttle Control Motor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2100
00
ETC MOT PWR-B1
(Throttle actuator “A” control motor circuit/open)
Diagnosis condition
Engine running at idle
Signal (terminal)
Throttle co ...
Ecu Diagnosis Information. Bcm, Power Window Main Switch, Passenger Door Mirror Control Module
List of ECU Reference
ECU Reference
BCM
Values on the Diagnosis Tool
Reference Value (With Type A Meter)
Reference Value (With Type B Meter)
Fail-safe
DTC Inspection Priority Chart
DTC Index
Power window main switch
Reference Value
Passenger door mirror ...
