Front automatic air
conditioning systemHeater 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. ...
If you have a flat tire
(vehicles with
run-flat tires)
Your vehicle is not equipped with a spare tire, but instead you
can continue driving the vehicle with run-flat tires even if any
tire goes flat.
In this case, slow down and drive with extra caution.
Run-flat tires (A “RFT” or “DSST” mark is molded on the sidewall)
Take your vehicle to ...
General information
A large number of ECU controlled systems are used in the
SIENNA. In general, ECU controlled systems are considered
to be very intricate, requiring a high level of technical
knowledge to troubleshoot. However, most problem checking
procedures only involve inspecting the ECU controlled
system's c ...