Toyota Sienna Service Manual: Starter relay
On-vehicle inspection
1. Inspect starter relay
(a) Using an ohmmeter, measure the resistance between each terminal.
Standard resistance 
If the result is not as specified, replace the starter relay assembly.
Installation
1. INSTALL STARTER ASSEMBLY
(a) Install the starter with the 2 bolts.
Torque: 37 N*m (380 kgf*cm, 26 ft.*lbf) for bolt
(b) Connect the starter connector.
(c) Install the terminal nut a ...
Ignition switch
Components
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Other materials:
Automatic transaxle unit
COMPONENTS
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Trouble in Passenger Airbag ON / OFF Indicator
DESCRIPTION
The occupant classification system detects the front passenger seat
condition. It then informs a
passenger of the front passenger airbag, the front seat side airbag RH and front
seat belt pretensioner
RH condition (activated/not activated) by the passenger airbag ON/OFF indicator. ...
Drive belt
COMPONENTS
REMOVAL
1. REMOVE FRONT WHEEL RH
2. REMOVE FRONT FENDER APRON SEAL RH (See
page EM-26)
3. REMOVE V-RIBBED BELT
(a) Using SST, release the belt tension by turning the
belt tensioner counterclockwise, and remove the Vribbed
belt from the belt tensioner.
SST 09249-63010
(b) ...
