Nissan Rogue (T33) 2021-Present Service Manual: U2b52-88 Ethernet Circuit
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U2B52 | 88 | Ethernet comm err | Diagnosis condition | When engine is running |
| Signal (terminal) | Ethernet communication | |||
| Threshold | If ADAS control unit 2 is not receiving ethernet communication signal from around view monitor control unit | |||
| Diagnosis delay time | 2 seconds or more | |||
POSSIBLE CAUSE
-
Ethernet harness
-
ADAS control unit 2
-
Around view monitor control unit
FAIL-SAFE
The following systems are canceled.
-
Lane keep function*1
-
Lane keep function*2
-
Lane change support function
-
Overtaking support function
-
Route driving support function
-
FEB
-
RAB
-
PFCW
-
LDP
-
Blind Spot Intervention
-
TSR
*1: ProPILOT Assist 2.1 display is green
*2: ProPILOT Assist 2.1 display is blue
CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
-
Start the engine, and then wait for 2 seconds or more.
-
Perform “All DTC Reading” with CONSULT.
-
Check if the “U2B52-88” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “U2B52-88” 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
CHECK CONSULT DISPLAY AROUND VIEW MONITOR CONTROL UNIT
-
Perform “All DTC Reading” with CONSULT.
-
Check if the item of "AVM" is displayed in “All DTC Reading”.
Is "AVM" displayed?
YES>>GO TO 2.
NO>>Check power supply and ground circuit of around view monitor control unit. Refer to Diagnosis Procedure.
PERFORM SELF-DIAGNOSIS OF AROUND VIEW MONITOR CONTROL UNIT
Check if any DTC is detected in “Self Diagnostic Result” of “AVM”.
Is any DTC detected?
YES>>Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
NO>>GO TO 3.
CHECK ETHERNET CABLE
-
Turn the ignition switch OFF.
-
Check the Ethernet cable of ADAS control unit 2 and around view monitor control unit for disconnection, bending, and poor fitting.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace ethernet cable.
REPLACE ETHERNET CABLE
-
Replace ethernet cable.
-
Perform DTC confirmation procedure again. Refer to DTC Description.
Is “U2B52-88” detected as the current malfunction?
YES>>GO TO 5.
NO>>INSPECTION END
REPLACE AROUND VIEW MONITOR CONTROL UNIT
-
Replace around view monitor control unit. Refer to Removal and Installation.
-
Perform DTC confirmation procedure again. Refer to DTC Description.
Is “U2B52-88” detected as the current malfunction?
YES>>Replace the ADAS control unit 2. Refer to Removal and Installation.
NO>>INSPECTION END
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Setting
NOTE:
Explained here is how to disassemble with engine stand
supporting transaxle surface. When using different type of engine stand,
note with difference in steps and etc.
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DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1F76
49
Steering angle sensor
(Steering angle sensor)
Diagnosis condition
When engine is running
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