B1070

B1065, B1070 ASSIST A/B MODULE

Description


DTC B 1065, B1070 [OPEN] ASSIST A/B MODULE

For front passenger air bag module, crash is judged by main "G" sensor output signal and sub "G" sensor in front direction.

OPERATION

In the case of a frontal collision whose acceleration exceeds the specified level, the ignition materials are ignited by electric ignition system. The system burns and introduces the chemical reaction of gas generating materials to generate hot gases that flow into the air bag through a filter and expand the bag.

STRUCTURE

Front passenger air bag module mainly consists of air bag and inflator which inflates air bag.

INSTALLATION

Front passenger air bag module is installed on the instrument panel with fixed bolts.


DTC Logic


DTC DETECTION LOGIC

With CONSULT
DTC No. Index ("SELF-DIAG [CURRENT]"), ("SELF-DIAG [PAST]" or "TROUBLE DIAG RECORD")






DTC CONFIRMATION PROCEDURE (With CONSULT)


1. INSPECTION START

Turn ignition switch ON.
- GO TO 2.

2. CHECK SELF-DIAG RESULT

Check the screen of CONSULT.
Is malfunctioning part detected?
YES- .
NO-INSPECTION END.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

NOTE:
- SRS will not enter diagnosis mode if no malfunction is detected in user mode.

1. INSPECTION START

Turn ignition switch ON.
- GO TO 2.

2. CHECK AIR BAG WARNING LAMP

Check the warning lamp status.
Is malfunctioning part detected?
YES- Testing and Inspection.
NO-INSPECTION END.


Diagnosis Procedure


With CONSULT


WARNING:
- Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 minutes. (To discharge backup capacitor.)
- Do not use unspecified tester or other measuring device.

DIAGNOSTIC PROCEDURE


1. CHECK HARNESS CONNECTOR

Check the connection of harness connector.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness connector.

2. CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace wiring harness.

3. CHECK FRONT PASSENGER AIR BAG MODULE

1.Replace front passenger air bag module.
2.Check the screen of CONSULT.
Is the inspection result normal?
YES-INSPECTION END.
NO- Check the intermittent incident. Intermittent Incident.