Nissan Rogue (T33) 2021-Present Service Manual: 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
-
Start the engine and wait at least 5 seconds.
-
Perform “All DTC Reading” with CONSULT.
-
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
-
Ignition switch OFF.
-
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
-
Ignition switch OFF, and then ON.
-
Perform "All DTC Reading" with CONSULT.
-
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
-
Ignition switch OFF, and then ON.
-
Perform "All DTC Reading" with CONSULT.
-
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
-
Erase the “self-diagnosis results”.
-
Ignition switch OFF, then ON.
-
Perform "All DTC Reading" with CONSULT.
-
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
-
Erase the “self-diagnosis results”.
-
Ignition switch OFF, and then ON.
-
Perform "All DTC Reading" with CONSULT.
-
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
-
Erase the “self-diagnosis results”.
-
Ignition switch OFF, and then ON.
-
Perform "All DTC Reading" with CONSULT.
-
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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