Toyota Sienna Service Manual: Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
3. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY LOWER LH
4. REMOVE FLOOR CARPET COVER CENTER LH
5. REMOVE FLOOR CARPET COVER CENTER RH
HINT: Use the same procedures for the floor carpet cover center RH and floor carpet cover center LH.
6. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
7. REMOVE INSTRUMENT PANEL BOX NO.2
8. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY CENTER
9. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY LOWER CENTER
10. REMOVE AIR DUCT NO.4 REAR
11. REMOVE AIR DUCT NO.3 REAR
12. REMOVE AIR DUCT NO.1 REAR
13. REMOVE CENTER AIRBAG SENSOR ASSEMBLY
- Disconnect the 3 connectors from the center airbag sensor assembly.
- Remove the 3 bolts and the center airbag sensor assembly.
On-vehicle inspection
1. INSPECT CENTER AIRBAG SENSOR ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnosis system check.
2. INSPECT CENTER AIRBAG SENSOR ASSEMBLY
(VEHICLE INVOLVED IN COLLISION AN ...
Installation
1. INSTALL CENTER AIRBAG SENSOR ASSEMBLY
Check that the ignition switch is off.
Check that the battery negative (-) terminal is
disconnected.
CAUTION:
After disconnecting the negativ ...
Other materials:
Data list
HINT:
Reading the DATA LIST displayed on an intelligent tester
enables values, including those of the switches, sensors,
and actuators, to be checked without removing any
parts. Reading the DATA LIST as the first step in
troubleshooting is one method to shorten diagnostic
time.
NOTICE: ...
Front Occupant Classification Sensor RH Collision
Detection
DTC B1786 Front Occupant Classification Sensor RH Collision
Detection
DESCRIPTION
DTC B1786 is output when the occupant classification ECU receives a collision
detection signal sent by
the front occupant classification sensor RH if an accident occurs.
DTC B1786 is also output when the front ...
Reassembly
1. INSTALL SHOCK ABSORBER ASSEMBLY FRONT LH
2. INSTALL FRONT COIL SPRING INSULATOR LOWER
LH
(a) Install the front coil spring insulator lower LH onto
the shock absorber assembly front LH.
3. INSTALL FRONT SPRING BUMPER LH
(a) Install the front spring bumper LH to the piston rod.
4. INSTALL FR ...
