Nissan Murano: Dtc/circuit Diagnosis / C1a23 Unit Low Temp

Nissan Murano (Z52) 2015-2024 Service Manual / Cruise Control & Driver Assistance / Cruise Control System :: Icc / Dtc/circuit Diagnosis / C1a23 Unit Low Temp

DTC Description

DTC DETECTION LOGIC

DTC Trouble diagnosis name DTC detecting condition

C1A23

(97)
UNIT LOW TEMP Temperature detected by the temperature sensor integrated in distance sensor (ICC sensor) remains less than -40 °C for 5 seconds or more

POSSIBLE CAUSE

Temperature around the distance sensor (ICC sensor) becomes extremely low

FAIL-SAFE

The following systems are canceled.

  • Vehicle-to-vehicle distance control mode

  • Automatic Emergency Braking (AEB) with pedestrian

  • Automatic Emergency Braking (AEB)

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Turn the ignition switch OFF.

  2. Wait for 10 minutes or more.

  3. Start the engine.

  4. Turn the ICC MAIN switch of ICC system ON.

  5. Perform “All DTC Reading” with CONSULT.

  6. Check if the “C1A23-97” is detected as the current malfunction in “Self Diagnostic Result” of “LASER/RADAR”.

Is “C1A23-97” detected as the current malfunction?

YES>>

Refer to Diagnosis Procedure..

NO>>

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

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

CHECK ENVIRONMENT CONDITION

Check ambient temperature.

Is ambient temperature 0°C (32°F) or more?

YES>>

Replace the distance sensor (ICC sensor). Refer to Removal and Installation.

NO>>

Perform check again at 0°C (32°F) or more.

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