Inspection Procedure

HINT:

If there is an open in the ground circuit (Airbag sensor assembly center), the airbag sensor assembly center outputs DTCs. Perform troubleshooting with the "Supplemental Restraint System" (See DTC CHECK / CLEAR ).

1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER 
   1. Operate the intelligent tester according to the steps on the display and select the "ACTIVE TEST".

      METER: 

      METER REFERENCE
      
      

      Item	Test Details	Diagnostic Note
      D-BELT REMIND	Indicat. Light D-SEAT BELT (OFF / ON)	Confirm that the vehicle is stopped and engine idling

   OK: 

   Indicator light (ON OFF) can be switched ACTIVE TEST. 

   NG: REPLACE COMBINATION METER ASSEMBLY 

   OK: GO TO NEXT STEP 

2. READ VALUE OF INTELLIGENT TESTER 
   1. Operate the intelligent tester according to the steps on the display and select the "DATA LIST".

      DATA LIST / AIR CONDITIONER: 

      DATA LIST / AIR CONDITIONER REFERENCE
      
      

      Item	Measurement Item / Display (Range)	Normal Condition	Diagnostic Note
      D BUCKLE SW	Driver seat belt buckle switch ON / OFF	ON: Seat belt is fastened OFF: seat belt is unfastened	-

   OK: 

   Switch condition (ON / OFF) can be switched by actual operation. 

   NG: REPLACE COMBINATION METER ASSEMBLY 

   OK: GO TO NEXT STEP 

3. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (DRIVER SIDE) 
   1. Disconnect the connector from the front seat inner belt assembly (Drive Side).
      Fig 1: Identifying Front Seat Inner Belt Assembly Connector Terminals (Driver Side) Front View

      Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
   2. Measure the resistance according to the value(s) in the table below.

      Resistance 

      RESISTANCE REFERENCE
      
      

      Tester Connection	Condition	Specified Condition
      L3-6 - L3-3	Seat belt is fastened	Approx. 330 Ω
      L3-6 - L3-3	seat belt is unfastened	Approx. 1,330 Ω

   NG: REPLACE FRONT SEAT INNER BELT ASSEMBLY LH (DRIVER SIDE) 

   OK: GO TO NEXT STEP 

4. CHECK HARNESS OR CONNECTOR (BODY ECU - FRONT SEAT INNER BELT ASSEMBLY (DRIVER SIDE) 
   Fig 2: Identifying Front Seat Inner Belt Assembly Connector Terminals (Driver Side) Wire Harness View

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
   1. Disconnect the connector from the front seat inner belt assembly (Drive Side).
   2. Measure the resistance according to the value(s) in the table below.
      RESISTANCE REFERENCE
      
      

      Tester Connection	Condition	Specified Condition
      L3-3 - Body ground	Always	Below 1 Ω

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   OK: GO TO MULTIPLEX COMMUNICATION SYSTEM