Nissan Sentra B18 (2020-2025) Service Manual: C1f5f-49 Distance Sensor

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1F5F	49	ICC SENSOR MALF (Intelligent cruise control sensor malfunction)	Diagnosis condition	When engine is running
			Signal (terminal)	—
			Threshold	Distance sensor is malfunctioning
			Diagnosis delay time	5 seconds or more

POSSIBLE CAUSE

• Distance sensor

• ADAS control unit 2

FAIL-SAFE

The following systems are canceled.

• Nissan Sentra Vehicle-to-vehicle distance control mode

• Conventional (fixed speed) cruise control mode

• AEB

• I-FCW

Confirmation Procedure

Confirmation Procedure

1. PERFORM DTC CONFIRMATION PROCEDURE

   1. Start the engine.

   2. Perform “All DTC Reading” with CONSULT.

   3. Check if the “C1F5F-49” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

   Is “C1F5F-49” detected as the current malfunction?

   YES >>

   DTC Diagnosis Procedure

   NO-1 >>

   To check malfunction symptom before repair: Intermittent Incident

   NO-2 >>

   Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

1. CHECK DISTANCE SENSOR SELF-DIAGNOSIS RESULTS

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

   Is any DTC detected?

   YES >>

   DTC Index

   NO >>

   GO TO 2 .

2. CHECK ADAS CONTROL UNIT 2 SELF-DIAGNOSIS RESULTS

   Check if the “C1F5F-49” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

   Is “C1F5F-49” detected?

   YES >>

   Replace ADAS control unit 2. Removal and Installation

   NO >>

   INSPECTION END