Toyota Sienna Service Manual: Disassembly
1. REMOVE FRONT BUMPER ENERGY ABSORBER
2. REMOVE FRONT BUMPER REINFORCEMENT SUBASSEMBLY
- Remove the 6 bolts and the front bumper reinforcement sub-assembly.
3. REMOVE FRONT BUMPER SIDE SUPPORT LH
- Remove the screw.
- Disengage the 2 clips and remove the front bumper side support LH.
4. REMOVE FRONT BUMPER SIDE SUPPORT RH
HINT: Perform the same procedure as for the LH side.
5. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER (See page PM-19)
6. REMOVE NO. 1 ULTRASONIC SENSOR (LH side) (w/ Clearance Sonar System) (See page PM-19)
7. REMOVE NO. 1 ULTRASONIC SENSOR (RH side) (w/ Clearance Sonar System)
HINT: Perform the same procedure as for the LH side.
8. REMOVE RADIATOR GRILLE
- Remove the 2 bolts and the 2 screws.
- Disengage the 4 claws and remove the radiator grille from the front bumper cover.
9. REMOVE UPPER RADIATOR GRILLE
- Disengage the 10 claws and remove the upper radiator grille from the radiator grille.
10. REMOVE FRONT BUMPER EMBLEM
- Disengage the 3 claws and remove the front bumper emblem from the upper radiator grille.
11. REMOVE FRONT BUMPER HOLE COVER LH (w/o Fog Light)
- Disengage the 2 pins and remove the front bumper hole cover LH from the front bumper cover.
12. REMOVE FRONT BUMPER HOLE COVER RH (w/o Fog Light)
HINT: Perform the same procedure as for the LH side.
13. REMOVE FOG LIGHT ASSEMBLY LH (w/ Fog Light) (See page LI-82)
14. REMOVE FOG LIGHT ASSEMBLY RH (w/ Fog Light)
HINT: Perform the same procedure as for the LH side.
15. REMOVE LOWER RADIATOR GRILLE
- Disengage the 16 claws and remove the lower radiator grille from the front bumper cover.
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE FRONT BUMPER ASSEMBLY
Remove the 4 screws and separate the fender liner
from the front bumper assembly.
Remove the 8 ...
Reassembly
1. INSTALL LOWER RADIATOR GRILLE
Engage the 16 claws to install the lower radiator
grille to the front bumper cover.
2. INSTALL FRONT BUMPER HOLE COVER LH (w/o
Fog Light)
Engage ...
Other materials:
Cruise Main Indicator Light Circuit
DESCRIPTION
The ECM detects a cruise control switch signal and sends it to the
combination meter through CAN
and BEAN. Then the CRUISE main indicator light comes on.
The CRUISE main indicator light circuit uses CAN and BEAN for
communication. If there is a
malfunction in ...
How to proceed with troubleshooting
The intelligent tester can be used at steps 3, 7, 10, and 13.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble.
3 DTC CHECK/CLEAR AND FREEZE FRAME DATA
4 PROBLEM SYMPTOM CONFIRMATION
5 PROBLEM SYMPTOM SIMULATION
6 SYMPTOM SI ...
Front Airbag Sensor LH Circuit Malfunction
DTC B1149/37 Front Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor
assembly and front airbag sensor
LH.
If the center airbag sensor assembly receives signals from the front airbag
sensor LH, it judges whether or
not ...
