Nissan Murano: Icc/adas (adas Control Unit) / C1b85-4b Dist Sen Abnormal Temp

Nissan Murano (Z52) 2015-2024 Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Adas Control Unit / Dtc/circuit Diagnosis / Icc/adas (adas Control Unit) / C1b85-4b Dist Sen Abnormal Temp

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen items

(Trouble diagnosis content)
DTC detection condition
C1B85-4B

POWER SUPPLY CIR

(Power supply circuit)
Diagnosis condition
  • When engine is running

  • When Automatic Emergency Braking or LDW system is ON

Signal (terminal)
Threshold Distance sensor judges high temperature abnormality
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • Temperature around the distance sensor (ICC Sensor) becomes high

  • ADAS control unit

FAIL-SAFE

The following systems are canceled:

  • Vehicle-to-vehicle distance control mode

  • Conventional (fixed speed) cruise control mode

  • Automatic Emergency Braking (AEB) with pedestrian detection

  • Automatic Emergency Braking (AEB)

  • Intelligent Forward Collision Warning (I-FCW)

  • Lane Departure Warning (LDW)

  • Intelligent Lane Intervention (I-LI)

Confirmation Procedure

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Turn the ignition switch OFF.

  2. Wait for 10 minutes or more to cool the distance sensor (ICC Sensor).

  3. Start the engine.

  4. Turn the AEB system ON.

  5. Perform “All DTC Reading”.

  6. Check if the “C1B85-4B” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “C1B85-4B” detected as the current malfunction?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End

DTC Diagnosis Procedure

CHECK SELF-DIAGNOSIS RESULTS

CONSULT

Check if any DTC is detected in “Self Diagnostic Result” of “LASER/RADAR”.

Is any DTC detected?

YES>>

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.

NO>>

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

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