Nissan Sentra B18 (2020-2025) Service Manual: C1f6b-49 Camera Unit

Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Adas Control Unit / Dtc/circuit Diagnosis / C1f6b-49 Camera Unit

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1F6B	49	CAMERA UNIT MALF (Camera unit malfunction)	Diagnosis condition	When engine is running
			Signal (terminal)	—
			Threshold	If front camera unit is malfunctioning
			Diagnosis delay time	1 second or less

Note:

DTC "C1F6B-49" may be detected when CONSULT is communicating with ABS actuator and electric unit (control unit) since the control function of ABS actuator and electric unit (control unit) is temporary stopped.

POSSIBLE CAUSE

Front camera unit

FAIL-SAFE

The following systems are canceled.

AEB
LDW
TSR
I-FCW

Confirmation Procedure

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Perform “Diagnosis (One System)” of "ICC/ADAS 2" with CONSULT.
  Note:
  When performing "All DTC Reading", DTC “C1F6B-49” may be detected because ABS actuator and electric unit (control unit) stops its control function by communicating with CONSULT. Therefore performing "Diagnosis (One System)" is necessary.
3. Check if the “C1F6B-49” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “C1F6B-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

CHECK FRONT CAMERA UNIT SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “LANE CAMERA”.

Is applicable DTC detected?
YES >>
Perform diagnosis of applicable. Refer to DTC Index.
NO >>
GO TO 2 .
PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC confirmation procedure again. Confirmation Procedure
Note:
DTC "C1F6B-49" may be detected when CONSULT is communicating with ABS actuator and electric unit (control unit) since the control function of ABS actuator and electric unit (control unit) is temporary stopped.

Is “C1F6B-49” detected as the current malfunction?
YES >>
Replace the ADAS control unit 2. Removal and Installation
NO >>
To check malfunction symptom before repair: Intermittent Incident

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