B1032

B1025, B1032, B1048 OCCUPANT SYSTEM SENSOR





Description
Occupant Classification System sensor detects occupant in passenger seat and transmits it to Occupant Classification System control unit.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform "AIR BAG" Self Diagnostic Result with CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Diagnosis With Air Bag Warning Lamp.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES - SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure

WARNING:
- Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
- Never 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 - 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.CHECK OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
1. Replace passenger seat cushion assembly. Exploded View.
2. Perform DTC confirmation procedure. SEE DTC Logic.
Is DTC detected?
YES - GO TO 4.
NO - INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Diagnosis Sensor Unit.
2. Perform DTC confirmation procedure. SEE DTC Logic.
Is DTC detected?
YES - GO TO 1.
NO - INSPECTION END