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:
Problem symptoms table
HINT:
Proceed to the troubleshooting for each circuit in the table
below.
AIRBAG SYSTEM
Symptom
Suspected Area
The SRS warning light goes off after the primary
check, but then comes on.
SRS Warning Light Remains ON
When the ignition switch is turned to t ...
On-vehicle inspection
1. CHECK RADIATOR RESERVOIR CAP SUBASSEMBLY
a) Measure the valve opening pressure.
(1) If there are water stains or foreign matter on
rubber packings 1, 2 or 3, clean the part(s) with
water and finger scouring.
(2) Check that rubber packings 1, 2 and 3 are not
deformed, cracked or swol ...
Security Indicator Light Circuit
DESCRIPTION
Even when the theft deterrent system is in the disarmed state, the security
indicator blinks due to a signal
output from the immobiliser system. The security indicator blinks continuously
due to a continuous signal
received from the immobiliser system while in the armed state.
...
