Nissan Rogue (T33) 2021-Present Service Manual: U2852-88 Ethernet Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / U2852-88 Ethernet Circuit

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2852 88

Ethernet circuit

(Ethernet circuit) 		Diagnosis condition When engine is running
Signal (terminal) Ethernet
Threshold If ADAS control unit 2 is not receiving ethernet communication signal from front camera unit
Diagnosis delay time 5 seconds or more

POSSIBLE CAUSE

  • Ethernet harness

  • ADAS control unit 2

  • Front camera unit

FAIL-SAFE

The following systems are canceled.

  • Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • Steering wheel assistance function

  • AEB

  • RAB

  • I-FCW

  • LDW

  • I-LI

  • BSW

  • I-BSI

  • RCTA

  • TSR

  • I-DA

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start the engine and wait at least 5 seconds.

  2. Perform “All DTC Reading” with CONSULT.

  3. Check if the DTC “U2852-88” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

Is DTC “U2852-88” detected as the current malfunction?

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

CAUTION:

If the DTC has been detected due to a past malfunction, be sure to perform confirmation procedure, as this may lead to incorrect replacement of parts.

Refer to DTC Description.

CHECK CONNECTOR

  1. Ignition switch OFF.

  2. Check the ethernet harness connectors and terminals of ADAS control unit 2 and front camera unit for damage or looseness.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Check or repair ethernet harness connectors or terminals. GO TO 2.

PERFORM ALL DTC READING-1

  1. Ignition switch OFF, and then ON.

  2. Perform "All DTC Reading" with CONSULT.

  3. Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

Is DTC "U2852-88" or "U276B-88" detected as the current malfunction?

YES>>

GO TO 3.

NO>>

INSPECTION END

CHECK ADAS CONTROL UNIT 2 AND FRONT CAMERA UNIT SELF DIAGNOSTIC RESULT

Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

Is only "U2852-88" detected as the current malfunction? (Is U276B-88 not detected in "Self Diagnostic Result" of "LANE CAMERA"?)

YES>>

Check or repair the front camera unit power supply and ground circuit. Refer to Diagnosis Procedure. GO TO 4.

NO>>

GO TO 5.

PERFORM ALL DTC READING-2

  1. Ignition switch OFF, and then ON.

  2. Perform "All DTC Reading" with CONSULT.

  3. Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

Is DTC "U2852-88" or "U276B-88" detected as the current malfunction?

YES>>

GO TO 5.

NO>>

INSPECTION END

CHECK ADAS CONTROL UNIT 2 AND DISTANCE SENSOR SELF DIAGNOSTIC RESULT

Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

NOTE:

Check the scope of the impact based on the detection status of ADAS-related Ethernet communication abnormality and identify the ECU replacement target.

Is "U2752-88" or "U275F-88" detected as the current malfunction at the same time as "U2852-88"?

YES>>

Replace the ADAS control unit 2. Refer to Removal and Installation. GO TO 6.

NO>>

Replace the front camera unit. Refer to Removal and Installation. GO TO 7.

PERFORM ALL DTC READING-3

  1. Erase the “self-diagnosis results”.

  2. Ignition switch OFF, then ON.

  3. Perform "All DTC Reading" with CONSULT.

  4. Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

Is DTC "U2852-88" or "U276B-88" detected as the current malfunction?

YES>>

Replace the front camera unit. Refer to Removal and Installation. GO TO 8.

NO>>

INSPECTION END

PERFORM ALL DTC READING-4

  1. Erase the “self-diagnosis results”.

  2. Ignition switch OFF, and then ON.

  3. Perform "All DTC Reading" with CONSULT.

  4. Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

Is DTC "U2852-88" or "U276B-88" detected as the current malfunction?

YES>>

Replace the ADAS control unit 2. Refer to Removal and Installation. GO TO 8.

NO>>

INSPECTION END

PERFORM ALL DTC READING-5

  1. Erase the “self-diagnosis results”.

  2. Ignition switch OFF, and then ON.

  3. Perform "All DTC Reading" with CONSULT.

  4. Check the "Self Diagnostic Result" of "ICC/ADAS 2" and “LANE CAMERA”.

Is DTC "U2852-88" or "U276B-88" detected as the current malfunction?

YES>>

Replace the ethernet harness between ADAS control unit 2 and front camera unit.

NO>>

INSPECTION END

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