Sienna FWD V6-3.3L (3MZ-FE) (2006)
Seat Occupant Sensor: Component Tests and General Diagnostics
Check Passenger Air Bag ON/OFF Indicator
CHECK PASSENGER AIRBAG ON/OFF INDICATOR
a. Turn the ignition switch to the ON position.
b. Check that the passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then goes off for approximately 2
seconds.
HINT: Refer to the table in the previous step regarding the passenger airbag ON/OFF indicator when the ignition switch is turned to the ON
position and approximately 6 seconds have elapsed.
Component Tests
ON-VEHICLE INSPECTION
1. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
2. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION)
a. Perform a diagnostic system check.
b. Even if the airbag was not deployed, check if there is any damage to the occupant classification ECU. If there are any defects as mentioned
below, replace the occupant classification ECU with a new one:
-
Cracks, dents or chips on the case.
-
Cracks or other damage to the connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
Function of Passenger Air Bag ON/OFF Indicator
FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR
a. Initial check
1. Turn the ignition switch to the ON position.
2. The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then goes off for approximately 2 seconds
.
3. Approximately 6 seconds after the ignition switch is turned to the ON position, the passenger airbag ON/OFF indicator will be ON/OFF
depending on the conditions listed.