For USA And Canada

B1035, B1036, B1038, B1040 CRASH ZONE SEN





Description

DTC B1035, B1036, B1038, B1040 [COMM FAIL] CRASH ZONE SENSOR
Main "G" sensor that generates signal voltage, when it detects deceleration beyond the specified level caused by vehicle frontal collision.

OPERATION
When ACU defines both signal voltage of the "G" sensor and the safing sensor to be that of collision which exceeds specified level, the driving circuit switches on and feeds the electric ignitor of both driver and passenger air bags and pretensioner seat belt.

STRUCTURE
Integrated type of the "G" sensor element for frontal collision with output terminals for signal voltage.

INSTALLATION
Crash zone sensor is installed on the radiator core support assembly with fixed nuts.




DTC Logic

DTC DETECTION LOGIC

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






DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.INSPECTION START
Turn ignition switch ON.
- GO TO 2.
2.CHECK SELF-DIAG RESULT
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES - For USA And Canada.
NO - INSPECTION END.

DTC CONFIRMATION PROCEDURE (Without CONSULT-III)

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-III

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 CRASH ZONE SENSOR
1. Replace crash zone sensor.
2. Check the screen of CONSULT-III.
Is the inspection result normal?
YES - INSPECTION END.
NO - Check the intermittent incident. Intermittent Incident.