Toyota Sienna Service Manual: Removal
1. Disconnect cable from negative battery terminal
2. REMOVE STEERING COLUMN COVER LOWER
(A) insert the key into the ignition key cylinder and release the steering lock.
(B) turn the steering wheel clockwise to gain access to the screw and remove the screw.
(c) Turn the steering wheel counterclockwise to gain access to the screw and remove the screw.
(d) Detach the 4 claws, and remove the steering column cover lower.
3. REMOVE IGNITION SWITCH ASSEMBLY
(a) Disconnect the ignition switch connector.
(b) Remove the 2 screws and ignition switch.
Ignition switch
Components
...
Inspection
1. Inspect ignition switch assembly
(a) Measure the resistance of the switch.
Standard resistance
If the result is not as specified, replace the switch
assembly. ...
Other materials:
System limits
Detection range
The detection capacity of the system and the
automatic braking capacity are limited.
Two-wheeled vehicles for instance might not be
detected.
Deceleration
The system does not decelerate in the following
situations:
For pedestrians or similarly slow-moving road
users.
For red tr ...
Illumination Circuit
DESCRIPTION
Power is supplied to the radio and navigation assembly and steering pad
switch illumination when the
light control switch is in the TAIL or HEAD position.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
The vehicle is equipped with an SRS (Supplemental Restraint System) such as t ...
Heater relay (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR HEATER RELAY
(a) Remove the rear heater relay.
(b) Measure the resistance according to the value(s) in
the table below.
Standard resistance
If the resistance is not as specified, replace the rear
heater relay. ...
