Nissan Murano: Srs Air Bag Control System :: Dtc/circuit Diagnosis / B1427 Config Setting

Nissan Murano (Z52) 2015-2024 Service Manual / Restraints / Srs Air Bag Control System :: Dtc/circuit Diagnosis / B1427 Config Setting

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC Detection Condition
B1427-55	ECU SETTING (Electronic control unit setting)	Diagnosis condition	When ignition switch is ON.
		Signal (terminal)	—
		Threshold	When no data is stored in the air bag diagnosis sensor unit.
		Diagnosis delay time	1 second or more.

POSSIBLE CAUSE

Mistake of configuration of air bag diagnosis sensor unit
Incomplete configuration of air bag diagnosis sensor unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

CHECK SELF DIAGNOSTIC RESULT

CONSULT

Ignition switch ON.
Select “Self Diagnostic Result” mode of “AIR BAG”.

Is malfunctioning part detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

PERFORM CONFIGURATION

Perform configuration for air bag diagnosis sensor unit.

Refer to Work Procedure.

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DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B1421-00 FRONTAL COLLISION Diagnosis condition When ignition switch is ON...

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