Toyota Sienna Service Manual: Inspection
1. INSPECT THERMOSTAT
(a) Inspect the thermostat.
HINT: The valve opening temperature is inscribed on the thermostat.
(b) Immerse the thermostat in water and gradually heat the water.
(c) Check the valve opening temperature.
Valve opening temperature: 80 to 84°C (176 to 183°F) If the valve opening temperature is not as specified, replace the thermostat.
(d) Check the valve lift.
Valve lift: 7.7 mm (0.303 in.) or more at 95°C (203°F) If the valve lift is not as specified, replace the thermostat.
(e) Check that the valve is fully closed when the thermostat is at low temperatures (below 40°C (104°F)).
If it is not fully closed, replace the thermostat.
Removal
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
2. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE FRONT WHEEL RH
5. REMOVE FRONT FENDER A ...
Installation
1. Install thermostat
(a) Install a new gasket to the thermostat.
(b) Install the thermostat with the jiggle valve facing up.
Hint:
the jiggle valve may be set within 10° on either side
of ...
Other materials:
Power back door system
PARTS LOCATION
...
Rear Blower Motor Circuit
DESCRIPTION
Power to the rear blower motor is supplied from the battery via the RR A/C
relay.
The rear blower motor speed level varies between 0 and 31 based on the voltage
difference measured
between the terminals of the motor.
The voltage difference measured between the terminals of th ...
Diagnosis system
1. DESCRIPTION
When troubleshooting OBD II (On-Board
Diagnostics) vehicles, an intelligent tester
(complying with SAE J1987) must be connected to
the DLC3 (Data Link Connector 3) of the vehicle.
Various data in the vehicle's ECM (Engine Control
Module) can be then read.
& ...
