Nissan Sentra B18 (2020-2025) Service Manual: C1f5f-A2 Distance Sensor

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1F5F	A2	ICC SENSOR MALF (Intelligent cruise control sensor malfunction)	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	CAN communication
			Threshold	Distance sensor power supply voltage is malfunction
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

• Harness, connector, fuse

• Distance sensor

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. Turn the ignition switch ON.

   2. Perform “All DTC Reading” with CONSULT.

   3. Check if the “C1F5F-A2” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.

   Is “C1F5F-A2” 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 SUPPLY AND GROUND CIRCUIT

   Check power supply and ground circuit of distance sensor. Refer to Diagnosis Procedure.

   Is the inspection result normal?

   YES >>

   Replace the distance sensor. Refer to Removal and Installation

   NO >>

   Repair or replace the malfunctioning parts.