B1023

B1023 PASS A/B INDCTR CKT

Description


DTC B1023 PASS A/B INDCTR CKT

Suppresses the deployment of passenger air bag when the condition of passenger seat is empty or child and child-seat. And turns on passenger air bag indicator (cut-off telltale) lamp when the condition of passenger seat is child-seat and child. In case of malfunction the blinking of the SRS air bag warning lamp reports the malfunction to driver and by the on board self-diagnosis system or electro-diagnosis tester CONSULT can detect the cause.

OPERATION

Turns on passenger air bag indicator (cut-off telltale) when the passenger seat is empty or occupied by child seat and child.

STRUCTURE

Passenger air bag indicator (cut-off telltale) with LED illumination.

INSTALLATION

Passenger air bag indicator (cut-off telltale) is installed at the instrument panel center.


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 connectors.

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 PASSENGER AIR BAG OFF INDICATOR

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