Nissan Rogue (T33) 2021-Present Service Manual: U2248 Can Comm Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| U2248 | 83 |
CAN comm err (brake control unit) [CAN comm err (brake control unit)] |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | |||
| 87 | Threshold | ECM is not receiving CAN communication signal other than OBD (emission related diagnosis). | ||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
Harness or connectors (CAN communication line is open or shorted)
-
ABS actuator and electric unit
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC U2248 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>GO TO 2.
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 more than 11 V at idle.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 3 seconds.
-
Check 1st trip DTC.
Is DTC U2248 detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
Diagnosis Procedure
CHECK DTC PRIORITY
If DTC U2248 is displayed with DTC P0607, first perform the confirmation procedure (trouble diagnosis) for DTC P0607.
Is DTC P0607 detected?
YES>>Proceed to DTC Description.
NO>>Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Other materials:
Filtre à air
Pour retirer le filtre à air, libérez les goupilles d’arrêt 1 puis soulevez l’ensemble dans le sens indiqué 2.
L’élément filtrant en papier visqueux (si le véhicule en est équipé) ne doit jamais être nettoyé ni réutilisé. L’élément filtrant en papier sec peut, quant à ...
Dtc/circuit Diagnosis. Wiper Deicer Relay
Component Function Check
CHECK WIPER DEICER RELAY POWER SUPPLY CIRCUIT
CONSULT
Ignition switch ON.
Select "Front window defogger (passenger side)" and "Front window defogger (driver side)" in "Active test" mode of "BCM".
Select “On”.
Check that the front window heating wire ...
P2297 Air Fuel Ratio Sensor 1
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2297
00
O2 SENSOR 1 B1
(O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1)
Diagnosis condition
Engine run and fuel shut off
Signal
A/F sensor ...
