Diagnosis System [06/2012 - ]

1. Turn the power switch on (IG).
2. The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, then goes off for approximately 2 seconds.
3. Approximately 6 seconds after the power switch is turned on (IG), the passenger airbag ON/OFF indicator will indicate ON/OFF depending on the conditions listed below.
   INDICATOR OPERATION
   
   

   Front Passenger Seat Condition	Passenger Airbag ON/OFF Indicator		SRS Warning Light
   	ON Indicator	OFF Indicator
   Vacant	OFF	ON	OFF
   Adult is seated.	ON	OFF	OFF
   Child is seated.	OFF	ON	OFF
   Child restraint system is installed.
   Occupant classification system failure	OFF	ON	ON

   HINT: 

   • The passenger airbag ON/OFF indicator illuminates based on the timing chart below in order to check the indicator light circuit.
   • When the occupant classification system has trouble, both the SRS warning light and passenger airbag ON/OFF indicator ("OFF") come on. In this case, check the DTCs in the airbag system first.
   Fig 1: Identifying Passenger Airbag On/Off Indicator Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

Refer to the indicator operation table in the preceding step regarding the passenger airbag ON/OFF indicator when the power switch is turned on (IG) and approximately 6 seconds elapse.