Nissan Rogue (T33) 2021-Present Service Manual: U2a8c-88 Ethernet Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detected condition | |
|---|---|---|---|
| U2A8C-88 | Ethernet circuit | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | — | ||
| Threshold | Lost ethernet communication with AV control unit | ||
| Diagnosis delay time | 120 seconds or more | ||
POSSIBLE CAUSE
-
Ethernet harness
-
8CH CAN gateway
-
AV control unit
FAIL-SAFE
8CH CAN gateway stops transmitting
Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Ignition switch ON and wait at least 180 seconds or more.
-
Select “Self Diagnostic Result” mode of “8ch CAN GATEWAY 3” using CONSULT.
-
Check DTC.
Is DTC U2A8C–88 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 CONNECTOR
-
Ignition switch OFF.
-
Check the ethernet harness connectors and terminals of 8CH CAN gateway and AV control unit for damage or looseness.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace the malfunction part, securely lock the harness connector.
PERFORM ALL DTC READING
-
Ignition switch ON.
-
Perform “All DTC Reading” with CONSULT.
-
Check if any DTCs of ethernet (DTC “U2754-88”) are detected in “Self Diagnostic Result” of “MULTI AV”
Are any DTCs of ethernet detected?
YES>>Replace the 8CH CAN gateway (Refer to Removal and Installation), and GO TO 3.
NO>>Replace the AV control unit. Refer to Removal and Installation.
PERFORM DTC CONFIRMATION PROCEDURE-1
-
Erases all self-diagnosis results with CONSULT.
-
Perform DTC confirmation procedure again. Refer to Confirmation Procedure.
Is DTC “U2A8C-88” detected as the current malfunction?
YES>>Replace the AV control unit (Refer to Removal and Installation), and GO TO 4.
NO>>INSPECTION END
PERFORM DTC CONFIRMATION PROCEDURE-2
-
Erases all self-diagnosis results with CONSULT.
-
Perform DTC confirmation procedure again. Refer to Confirmation Procedure.
Is DTC “U2A8C-88” detected as the current malfunction?
YES>>Replace the ethernet harness between 8CH CAN gateway and AV control unit.
NO>>INSPECTION END
Other materials:
Multi Remote Ent
CONSULT Function (BCM - MULTI REMOTE ENT)
DATA MONITORNOTE:
The following table includes information (items)
inapplicable to this Nissan Ariya vehicle. For information (items)
applicable to this vehicle, refer to CONSULT display items.
Monitor Item Condition
Stop/start switch
[On/Off] ...
Avm (around View Monitor Control Unit)
B2a00-52 Side Camera Lh
DTC Description
DTC DETECTION LOGIC DTC CONSULT screen terms DTC detection condition
B2A00-52
Left camera
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
The calibration is not completed or the connected camera ...
Symptom Diagnosis. Srs Air Bag Warning Lamp Does Not Turn on
Diagnosis Procedure
CHECK DTC WITH AIR BAG DIAGNOSIS SENSOR UNIT
Check that DTC is not detected with air bag diagnosis sensor unit.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Refer to DTC Index.
CHECK DTC WITH COMBINATION METER
Check that DTC is not detected with com ...
