Nissan Rogue (T33) 2021-Present Service Manual: U02bb Can Communication
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U02BB | 00 |
Lost comm with EVAP sys purge pump (Lost comm with EVAP sys purge pump) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | Signal voltage of LIN communication | |||
| Threshold | ECM detects LIN communication error | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
-
Harness or connectors (LIN communication circuit is open or shorted.)
-
EVAP canister electric purge pump
-
ECM
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.
>>
GO TO 2.
CHECK DTC PRIORITY
-
Turn ignition ON and wait at least 10 seconds.
-
Check DTC.
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 HARNESS CONNECTOR FOR HALF-LOCK
-
Turn ignition switch OFF.
-
Check the fitting state of EVAP canister electric purge pump harness connector.
NOTE:
Secure lock mechanism of connector.

Push in male connector in direction of the arrow to lock.
Locked state. -
Turn ignition switch ON.
-
Start the engine and wait at least 1 minute.
Is DTC U02BB detected again?
YES>>GO TO 2.
NO>>INSPECTION END
CHECK LIN COMMUNICATION CIRCUIT
-
Turn ignition switch OFF.
-
Disconnect ECM harness connector and EVAP canister electric purge pump harness connector.
-
Check the continuity between ECM harness connector and EVAP canister electric purge pump harness connector.
ECM EVAP canister electric purge pump Continuity Connector Terminal Connector Terminal F72 23 F105 4 Existed -
Also check harness for short to power and short to ground.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace error-detected parts.
CHECK EVAP CANISTER ELECTRIC PURGE PUMP POWER SUPPLY
-
Turn ignition switch OFF.
-
Disconnect EVAP canister electric purge pump harness connector.
-
Turn ignition switch ON.
-
Check the voltage between EVAP canister electric purge pump harness connector and ground.
+ − Voltage
(Approx.)EVAP canister electric purge pump Connector Terminal F105 6 Ground Battery voltage
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace error-detected parts.
REPLACE EVAP CANISTER ELECTRIC PURGE PUMP
-
Replace EVAP canister electric purge pump. Refer to Removal and Installation.
-
Erase DTC.
-
Perform DTC confirmation procedure again. Refer to DTC Description.
Is DTC detected again?
YES>>Replace ECM. Refer to ECM : Removal & Installation.
NO>>INSPECTION END
Other materials:
Mass Air Flow Sensor
Component Inspection
CHECK MASS AIR FLOW (MAF) SENSOR-1
With CONSULT
Turn ignition switch OFF.
Reconnect all harness connectors disconnected.
Start the engine and warm it up to normal operating temperature.
Select “MASS AIR FLOW SENSOR (g/s) B1” in “DATE MONITOR” mode o ...
I-BSI system operation
Side indicator light
I-BSI ON indicator
I-BSI warning indicator
Vehicle information display
ProPILOT Assist switch
The I-BSI system functions above approximately 37 MPH (60 km/h).
If a vehicle enters the detection zone, the side indicator light turns on.
If the turn signal is acti ...
System Description. Diagnosis System (bcm)
Common Item
CONSULT Function - COMMON ITEM
BCM
Refer to CONSULT Function (BCM - COMMON ITEM).
Door Lock
CONSULT Function - DOOR LOCK
BCM
Refer to CONSULT Function (BCM - DOOR LOCK).
Intelligent Key
CONSULT Function - INTELLIGENT KEY
BCM
Refer to CONSULT Function (BCM - INTE ...
