Nissan Rogue (T33) 2021-Present Service Manual: U19b2-87 Lin Comm Circuit

Nissan Rogue (T33) 2021-Present Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Adas Control Unit :: Dtc/circuit Diagnosis / U19b2-87 Lin Comm Circuit

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U19B2 87 LIN communication error Diagnosis condition When engine is running
Signal (terminal) LIN communication signal
Threshold ADAS control unit 2 detects a steering wheel touch sensor voltage error
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • Steering wheel touch sensor

  • ADAS control unit 2

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

*1: ProPILOT Assist 2.1 display is green

*2: ProPILOT Assist 2.1 display is blue

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

  1. Start the engine, and then wait for 2 seconds or more.

  2. Perform “All DTC Reading” with CONSULT.

  3. Check if the “U19B2-87” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

Is “U19B2-87” 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

REPLACE STEERING WHEEL

  1. Replace steering wheel. Refer to Removal and Installation.

  2. Perform confirmation procedure again. Refer to DTC Description.

Is “U19B2-87” detected as the current malfunction?

YES>>

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

NO>>

INSPECTION END

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