Nissan Murano: Icc/adas (adas Control Unit) / C1a01-A2 Power Supply Cir

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) / C1a01-A2 Power Supply Cir

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detection condition
 
C1A01-A2

POWER SUPPLY CIR

(Power supply circuit) 		Diagnosis condition

  • When engine is running

  • When MAIN switch of ICC system is ON
Signal (terminal) Battery power supply
Threshold The battery voltage sent to ADAS control unit remains less than 7.9 V
Diagnosis delay time 5 seconds or more

POSSIBLE CAUSE

  • Connector, harness, fuse

  • 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)

  • Blind Spot Warning (BSW)

  • Rear Cross Traffic Alert (RCTA)

  • Rear Automatic Braking (RAB)

  • Traffic Sign Recognition (TSR)

  • Intelligent Drive Alertness (I-DA)

Confirmation Procedure

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 the “C1A01–A2” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.

Is “C1A01–A2” 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 ADAS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

Check power supply and ground circuit of ADAS control unit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

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

NO>>

Repair or replace the malfunctioning parts.

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