Toyota Sienna Service Manual: Supplemental restraint system
- Airbag system
- Precaution
- Parts location
- System description
- How to proceed with troubleshooting
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- DTC check / clear
- Check mode procedure
- Data list / active test
- Diagnostic trouble code chart
- Occupant classification system
- Precaution
- System description
- How to proceed with troubleshooting
- Initialization
- Terminals of ECU
- Diagnosis system
- DTC check / clear
- Data list / active test
- Diagnostic trouble code chart
- Steering pad
- Spiral cable
- Front passenger airbag assembly
- Curtain shield airbag assembly
- Front seat side airbag assembly
- Sruepsptrleaminetnstal restraint system center airbag sensor assembly
- Front airbag sensor
- Side airbag sensor
- Rear airbag sensor
- Seat position sensor
- Occupant classification ECU
Installation
1. INSTALL INTEGRATION CONTROL AND PANEL
ASSEMBLY
2. INSTALL RADIO RECEIVER WITH BRACKET (w/
Navigation System)
3. INSTALL RADIO RECEIVER WITH BRACKET (w/o
Navigation System)
4. INSTALL INSTRUME ...
Airbag system
...
Other materials:
Auxiliary boxes
Type A
Push the lid.
Type B
Push down the knob.
Type C (if equipped)
Type D
Type E (if equipped)
Type F
Lift the lid.
Type G (if equipped)
Removing the second center seat.
Type H (if equipped)
Type I (if equip ...
Removal
1. PRECAUTION
HINT:
See page RS-1
2. SEPARATE BATTERY NEGATIVE TERMINAL
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE HORN BUTTON ASSEMBLY (See page RS-
424)
5. REMOVE STEERING WHEEL ASSEMBLY (See page
SR-6)
6. REMOVE STEERING COLUMN COVER LWR (See
page RS-434)
7. REMOVE SPIRAL CA ...
Catalyst System Efficiency Below Threshold
DTC P0420 Catalyst System Efficiency Below Threshold
(Bank 1)
DTC P0430 Catalyst System Efficiency Below Threshold
(Bank 2)
MONITOR DESCRIPTION
The ECM uses the sensors mounted in front of and behind the three-way
catalyst (TWC) to monitor its
efficiency. The first sensor, an Air Fuel ratio ...