Driver Side Seat Belt Warning Light Does Not Operate: Procedure

1. Check for supplemental restraint system (SRS) DTCs.

   Result

   Result	Proceed To
   No SRS DTCs are output	A
   SRS DTCs are output	B

B → GO TO SUPPLEMENTAL RESTRAINT SYSTEM 

A: Go to next step 

1. Connect Techstream to the DLC3.
2. Engine switch on (IG).
3. Turn the tester ON.
4. Enter following menus: Body Electrical / Combination Meter / Active Test.
5. Check the operation by referring to the table below.
   COMBINATION METER:
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Driver Side Seat Belt	Driver side seat belt warning light	Driver side seat belt warning light is OFF/ON	Confirm that the vehicle is stopped, engine idling

OK → REPLACE CENTER AIRBAG SENSOR ASSEMBLY 

NG: Go to next step 

1. Remove the panel sub-assembly.
2. Apply battery voltage and check that the seat belt warning light illuminates.
   Fig 1: Identifying Instrument Cluster Finish Panel Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 11 Battery negative (-) → Terminal 6	Seat belt warning light illuminates

   HINT: 

   When the battery's negative (-) lead is applied to terminal 11 and the positive (+) lead is applied to terminal 6, the seat belt warning light does not illuminate.

NG → REPLACE INSTRUMENT CLUSTER FINISH PANEL 

OK → REPLACE COMBINATION METER