Nissan Juke Service and Repair Manual : B1234, B1235, B1236, B1237, B1238, B1239 diagnosis sensor unit

Nissan Juke Service and Repair Manual / SRS Airbag Control System / DTC/circuit diagnosis / B1234, B1235, B1236, B1237, B1238, B1239 diagnosis sensor unit

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.

1. Turn ignition switch ON.Without CONSULT-III


1. Turn ignition switch ON.

2. Check the air bag warning lamp status. Refer to SRC-12, "On Board Diagnosis Function".

NOTE

:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected? YES >> Refer to SRC-147, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.) • Never use unspecified tester or other measuring device.

1.CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal? YES >> GO TO 2.

NO >> Replace harness connectors.

2.CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal? YES >> GO TO 3.

NO >> Replace wiring harness.

3.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace air bag diagnosis sensor unit. Refer to SR-30, "Removal and Installation".

2. Perform DTC confirmation procedure. Refer to SRC-147, "DTC Logic".

Is DTC detected? YES >> GO TO 1.

NO >> INSPECTION END

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