Nissan Rogue (T33) 2021-Present Service Manual: P0090 Frp System
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P0090 | 00 |
FUEL PUMP (Fuel Pressure Regulator "A" Control Circuit/Open) |
Diagnosis condition | Engine running at idle |
| Signal (terminal) | High pressure fuel pump signal | |||
| Threshold | ECM detects High pressure fuel pump circuit is open | |||
| Diagnosis delay time | 5 seconds | |||
POSSIBLE CAUSE
-
Harness or connectors (The high pressure fuel pump circuit is open.)
-
High pressure fuel pump
FAIL-SAFE
Engine Control System
Not applicable
Stop/Start System
When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited.
When ECM detects error while operating the stop/start system, ECM restarts the engine.
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Turn ignition switch ON and wait at least 10 seconds.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>Go 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 HIGH PRESSURE FUEL PUMP CIRCUIT
-
Turn ignition switch ON.
-
Disconnect ECM harness connector and high pressure fuel pump harness connector.
-
Check the continuity between ECM harness connector and high pressure fuel pump harness connector.
ECM High pressure fuel pump Continuity Connector Terminal Connector Terminal F72 7 F82 1 Existed 2 2 -
Also check harness for short to power and short to ground.
Is inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace the error-detected parts.
CHECK HIGH PRESSURE FUEL PUMP
Check high pressure fuel pump. Refer to Component Inspection.
Is inspection result normal?
YES>>INSPECTION END
NO>>Replace error-detected parts.
Other materials:
Rear-facing child restraint installation using the seat belts
WARNING
The three-point seat belt with Automatic Locking Retractor (ALR) must be used when installing a child restraint. If the ALR mode is not used, the restraint may not be properly secured and could tip or become loose, causing injury to a child in a sudden stop or collision.
For additional ...
Symptom Diagnosis. Normal Operating Condition
Description
The following symptoms are normal operations, and they do not indicate a malfunction. Symptom Cause Action to take Reference
Entry/exit assist function do not operate.
Entry/exit assist function is disabled.
Change the settings.
Description
Entry assist function does ...
Dtc/circuit Diagnosis. B2921-A2 Driver Seat Control Unit
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
B2921-A2
Driver seat control unit
(Driver seat control unit)
Diagnosis condition
The power consumption control of driver seat control unit is in wake-up state
...
