Toyota Sienna Service Manual: Problem symptoms table
HINT: Proceed to the troubleshooting for each circuit in the table below.
Occupant Classification System
|
Symptom |
Suspected area |
| The front passenger seat condition differs from the indication by the passenger airbag ON/OFF indicator (DTC is not output). | Trouble in Passenger Airbag ON/OFF Indicator |
Initialization
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not
occupied before performing the operation.
HINT:
Perform the zero point calibration and sensitivity check if
any ...
Terminals of ECU
1. OCCUPANT CLASSIFICATION ECU
...
Other materials:
Disassembly
1. REMOVE REAR SEAT LEG COVER LH
Remove the 2 screws and seat leg cover.
2. REMOVE REAR SEAT LEG COVER RH
Remove the 2 screws and seat leg cover.
3. REMOVE REAR SEAT LEG SIDE COVER LH
Remove the 2 screws and leg side cover.
4. REMOVE LH SEAT REAR SEAT LOCK COVE ...
Occupant Classification System Malfunction
DTC B1150/23 Occupant Classification System Malfunction
DESCRIPTION
The occupant classification system circuit consists of the center airbag
sensor assembly and the occupant
classification ECU.
If the center airbag sensor assembly receives signals from the occupant
classification ECU, it d ...
Adjustment
1. VEHICLE PREPARATION FOR HEADLIGHT AIMING
ADJUSTMENT
Prepare the vehicle:
Ensure there is no damage or deformation to the
body around the headlights.
Fill the fuel tank.
Make sure that the oil is filled to the specified
level.
Make sure that the c ...