Nissan Murano: Icc/adas (adas Control Unit) / C1a4a-82 Tcm Can Circuit1

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) / C1a4a-82 Tcm Can Circuit1

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)
DTC detection condition
 
C1A4A-82

TCM CAN CIRC1

(TCM CAN circuit1)
Diagnosis condition
  • When engine is running

  • When MAIN switch of ICC system is ON

Signal (terminal) CAN communication signal
Threshold If ADAS control unit detects an error signal that is received from TCM via CAN communication
Diagnosis delay time 1 second or less

POSSIBLE CAUSE

  • TCM

  • ADAS control unit

FAIL-SAFE

The following systems are canceled:

  • Automatic Emergency Braking (AEB) with pedestrian detection

  • Automatic Emergency Braking (AEB)

  • Intelligent Forward Collision Warning (I-FCW)

  • Blind Spot Warning (BSW)

  • Rear Cross Traffic Alert (RCTA)

  • Lane Departure Warning (LDW)

  • Intelligent Lane Intervention (I-LI)

Confirmation Procedure

CHECK DTC PRIORITY

If DTC “C1A4A-82” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Description.

NO>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Start the engine.

  2. Turn the MAIN switch of ICC system ON.

  3. Perform “All DTC Reading”.

  4. Check if “C1A4A-82” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “C1A4A-82” 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 DTC PRIORITY

If DTC “C1A4A-82” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Description.

NO>>

GO TO 2.

CHECK SELF-DIAGNOSIS RESULTS

CONSULT

Check if “U1000–01” is detected other than “C1A4A-82” in “Self Diagnostic Result” of “ICC/ADAS”.

Is “U1000–01” detected?

YES>>

Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to DTC Description.

NO>>

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

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