Toyota Sienna Service Manual: Repair instruction
Identification information
VEHICLE IDENTIFICATION AND SERIAL NUMBERS
1. VEHICLE IDENTIFICATION NUMBER
(a) The vehicle identification number is stamped on the
vehicle identification number plate and the
certification label, ...
Precaution
...
Other materials:
Coolant Thermostat (Coolant Temperature
Below Thermostat Regulating Temperature)
DTC P0128 Coolant Thermostat (Coolant Temperature
Below Thermostat Regulating Temperature)
HINT:
This DTC relates to the thermostat.
DESCRIPTION
This DTC is set when the Engine Coolant Temperature (ECT) does not reach 75C
(167F) despite
sufficient engine warm-up time
DTC No.
...
Installation
1. INSTALL TIRE PRESSURE WARNING VALVE AND TRANSMITTER
(a) Insert the tire pressure warning valve and
transmitter into the valve installation hole. Insert it
from the inside of the rim so that the printed surface
can be seen.
NOTICE:
Check that there is no visible deformation,
damage, ...
On-vehicle inspection
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS
SIDE)
Disconnect the connector from the seat heater
control.
Measure the voltage and resistance of each
terminal of the wire harness side connector.
Standard
If the result is not as specified, there may be a
malfunction on ...
