Nissan Rogue (T33) 2021-Present Service Manual: U288c-88 Ethernet Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms | DTC detected condition | |
|---|---|---|---|
| U288C-88 | Ethernet circuit | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | — | ||
| Threshold | Lost ethernet communication with combination meter and/or Head Up Display unit | ||
| Diagnosis delay time | 120 seconds or more | ||
POSSIBLE CAUSE
-
Ethernet harness
-
8CH CAN gateway
-
Combination meter (without Head Up Display)
-
Head Up Display unit (with Head Up Display)
FAIL-SAFE
8CH CAN gateway stops transmitting and receiving ethernet communication signals between ethernet communication circuit which cannot communicate.
Confirmation Procedure
With type B meter
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Ignition switch ON and wait at least 120 seconds or more.
-
Select “Self Diagnostic Result” mode of “8ch CAN GATEWAY 2” using CONSULT.
-
Check DTC.
Is DTC U288C-88 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Intermittent Incident
NO-2>>Confirmation after repair: INSPECTION END
With type A meter
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 U288C-88 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Intermittent Incident
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
CHECK CONNECTOR
-
Ignition switch OFF.
-
Check the following ethernet harness connectors and terminals for damage or looseness.
-
8CH CAN gateway
-
Combination meter (without Head Up Display)
-
Head Up Display (with Head Up Display)
-
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 “U278C-87” and/or "U2773–88") are detected in “Self Diagnostic Result” of “METER/M&A” and/ or “E-HUD”
Are any DTCs of ethernet detected?
YES>>Replace the 8CH CAN gateway (Refer to Removal and Installation), and GO TO 3.
NO>>Replace the combination meter (without Head Up Display) and/or Head Up Display unit (with Head Up Display).
-
Combination meter (without Head Up Display) : Refer to Removal and Installation.
-
Head Up Display unit (with Head Up Display): 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 “U288C-88” detected as the current malfunction?
YES>>Replace the combination meter (without Head Up Display) and/or Head Up Display unit (with Head Up Display). GO TO 4.
-
Combination meter (without Head Up Display): Removal and Installation
-
Head Up Display unit (with Head Up Display): Removal and Installation
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 “U288C-88” detected as the current malfunction?
YES>>-
Without Head Up Display: Replace the ethernet harness between 8CH CAN gateway and combination meter.
-
With Head Up Display: Replace the ethernet harness between 8CH CAN gateway and Head Up Display unit.
INSPECTION END
Other materials:
For system malfunction
Warning message/Warning light:
"MalfunctionSee Owner's Manual"
Symptom: System malfunction
Systems to check: TSR, RAB, RCTA, AEB with Pedestrian Detection, I-FCW, LDW, I-LI, BSW, I-BSI, ICC, Steering Assist, I-DA
Remedy: Stop safely and restart the engine. If warnings persist ...
Symptom Diagnosis. Parking Brake Does Not Operate
Description
The parking brake is not applied even when the parking brake switch is pulled.
Diagnosis Procedure
PERFORM THE SELF DIAGNOSIS RESULT
CONSULT
Select "Self diagnosis result" mode of "ABS".
Is DTC detected?
YES>>
Check the DTC. Refer to DTC Index.
NO>>
GO TO 2.
CHEC ...
P0127 Iat Sensor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0127
00
IAT SENSOR-B1
(Intake air temperature too high)
Diagnosis condition
—
Signal (terminal)
Intake air temperature sensor signal
Threshold ...
