Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Adas Control Unit / Dtc/circuit Diagnosis / C1f04-48 Brake Sw/stop Lamp Sw

Nissan Sentra B18 (2020-2025) Service Manual: C1f04-48 Brake Sw/stop Lamp Sw

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
C1F04	48	BRAKE SW/STOP L SW (Brake switch/Stop lamp switch)	Diagnosis condition	When engine is running
			Signal (terminal)	—
			Threshold	AEB system operated 3 times within ignition switch ON.
			Diagnosis delay time	1 second or less

Note:

If “C1F04-48” detected, perform the AEB system action test and AEB system operates normally.

POSSIBLE CAUSE

AEB system operated 3 times within ignition switch ON.

FAIL-SAFE

The following systems are canceled.

Confirmation Procedure

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Perform “All DTC Reading” with CONSULT.
3. Check if the “C1F04-48” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is “C1F04-48” 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 SELF-DIAGNOSIS RESULTS
1. Turn ignition switch OFF.
2. Turn ignition switch ON.
3. Perform “All DTC Reading” with CONSULT.
4. Check if any DTC other than “C1F04-48” is detected in “Self Diagnostic Result” of “ICC/ADAS 2”.
Is any DTC detected?
YES >>
Replace the ADAS control unit 2. Removal and Installation
NO >>
Perform the distance sensor alignment. Work Procedure

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