Front Seat Inner Belt Assembly: Inspection

1. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (for Driver Side) 
   1. Measure the resistance of the buckle switch.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   1 - 2	Fasten seat belt	1 MΩ or higher
   1 - 2	Release seat belt	Below 1 Ω

   If the result is not as specified, replace the inner belt assembly.

   Fig 1: Measuring Resistance Of Buckle Switch LH Side

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. INSPECT FRONT SEAT INNER BELT ASSEMBLY RH (for Front Passenger Side) 
   1. Measure the resistance of the buckle switch.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   1 - 2	Fasten seat belt	1 MΩ or higher
   1 - 2	Release seat belt	Below 1 Ω

   Fig 2: Measuring Resistance Of Buckle Switch RH Side

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   If the result is not as specified, replace the inner belt assembly.

3. INSPECT OCCUPANT DETECTION SENSOR 
   1. Measure the resistance of the sensor.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   1 - 3	Apply more than 147 N (15 kg, 33 lb) to occupant detection sensor	Below 1 Ω
   1 - 3	Do not touch occupant detection sensor	1 MΩ or higher

   If the result is not as specified, replace the inner belt assembly.

   Fig 3: Measuring Resistance Of Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. INSPECT PASSENGER SEAT BELT WARNING LIGHT ASSEMBLY 
   1. Remove the A/C control (see REMOVAL ).
   2. Apply battery voltage to the warning lamp terminals and check warning lamp operation as shown in the table and illustration.

   OK 

   MEASUREMENT CONDITION SPECIFIED CONDITION
   
   

   Measurement Condition	Specified Condition
   Battery positive (+) --> Terminal 20 Battery negative (-) --> Terminal 35	Illuminates

   Fig 4: Applying Battery Voltage To Warning Lamp Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   • Apply protective tape to the battery leads to avoid contact with other terminals.
   • Disconnect the battery's negative (-) terminal cable immediately after the light illuminates.

If the result is not as specified, replace the A/C control assembly.