Nissan Rogue (T33) 2021-Present Service Manual: U288c-88 Ethernet Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Electrical & Power Control :: Lan System / Can Gateway :: Dtc Diagnosis [8ch Can Gateway (8ch Can Gateway)] / 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

  1. Ignition switch ON and wait at least 120 seconds or more.

  2. Select “Self Diagnostic Result” mode of “8ch CAN GATEWAY 2” using CONSULT.

  3. 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

  1. Ignition switch ON and wait at least 180 seconds or more.

  2. Select “Self Diagnostic Result” mode of “8ch CAN GATEWAY 3” using CONSULT.

  3. 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

  1. Ignition switch OFF.

  2. 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

  1. Ignition switch ON.

  2. Perform “All DTC Reading” with CONSULT.

  3. 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

  1. Erases all self-diagnosis results with CONSULT.

  2. 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

NO>>

INSPECTION END

PERFORM DTC CONFIRMATION PROCEDURE-2

  1. Erases all self-diagnosis results with CONSULT.

  2. 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.

NO>>

INSPECTION END

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