Nissan Sentra B18 (2020-2025) Service Manual: C1f6b-4b Camera Unit

Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Adas Control Unit / Dtc/circuit Diagnosis / C1f6b-4b 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	4B	CAMERA UNIT MALF (Camera unit malfunction)	Diagnosis condition	When engine is running When AEB system is ON
			Signal (terminal)	—
			Threshold	Temperature around front camera unit is excessively high
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Interior room temperature is excessively high

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. Turn the AEB system ON.
3. Perform “All DTC Reading” with CONSULT.
4. Check if the “C1F6B-4B” is detected as the current malfunction in self-diagnosis results of “ICC/ADAS 2”.
Is “C1F6B-4B” 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 .
CHECK ADAS CONTROL UNIT 2 SELF-DIAGNOSIS RESULTS
1. Erase all self-diagnosis results with CONSULT.
2. Perform “All DTC Reading”.
3. Check if the “C1F6B-4B” is detected in “Self Diagnostic Result” of “ICC/ADAS 2”
Is “C1F6B-4B” detected?
YES >>
Replace the ADAS control unit 2. Removal and Installation
NO >>
INSPECTION END

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