Nissan Rogue (T33) 2021-Present Service Manual: U2a8c-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)] / 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

  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 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

  1. Ignition switch OFF.

  2. 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

  1. Ignition switch ON.

  2. Perform “All DTC Reading” with CONSULT.

  3. 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

  1. Erases all self-diagnosis results with CONSULT.

  2. 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

  1. Erases all self-diagnosis results with CONSULT.

  2. 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

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