Toyota Sienna Service Manual: Engine coolant temperature sensor
COMPONENTS
REMOVAL
1. DRAIN ENGINE COOLANT (See page CO-6) 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. REMOVE NO. 2 AIR CLEANER INLET (See page EM- 28) 4. REMOVE NO. 1 AIR CLEANER INLET (See page EM- 28) 5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See page ES-493) 6. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See page EM-28) 7. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Remove the engine coolant temperature sensor connector.
(b) Remove the engine coolant temperature sensor.
INSPECTION
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
(a) Using an ohmmeter, measure the resistance between the terminals.
Standard resistance 
- If the result is as specified, do not replace the engine coolant temperature sensor
- If the result is not as specified, replace the engine coolant temperature sensor.
| NOTICE: In case of checking the engine coolant temperature sensor in water, do not allow water to go into the terminals. After checking, dry the engine coolant temperature sensor. |
INSTALLATION
1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR
(a) Install the engine coolant temperature sensor.
Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) (b) Connect the engine coolant temperature sensor connector.
2. INSTALL AIR CLEANER CASE SUB-ASSEMBLY (See page EM-59) 3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See page ES-496) 4. INSTALL NO. 1 AIR CLEANER INLET (See page EM- 59) 5. INSTALL NO. 2 AIR CLEANER INLET (See page EM- 60) 6. ADD ENGINE COOLANT (See page CO-7) 7. INSPECT FOR ENGINE COOLANT LEAK (See page CO-1) 8. INSTALL V-BANK COVER SUB-ASSEMBLY (See page EM-63)
Crankshaft position sensor
Components
Removal
1. Remove compressor and magnetic clutch
HINT:
(See page AC-227 )
2. REMOVE CRANKSHAFT POSITION SENSOR
(a) Disconnect the crankshaft position sensor
connector.
(b) R ...
Knock sensor
COMPONENTS
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
(See page FU-13)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE WINDSHIE ...
Other materials:
Air conditioning controls
Adjusting the temperature setting
Turn the “TEMP” dial clockwise to increase the temperature and
counterclockwise to decrease the temperature.
The “SYNC” button
The air conditioning system switches between individual (indicator(
s) off) and simultaneous (indicators on) modes.
Whe ...
Intake Air Temperature Circuit/ Intake Air Temperature Circuit Low Input/
Intake Air Temperature Circuit High Input
DTC P0110 Intake Air Temperature Circuit
DTC P0112 Intake Air Temperature Circuit Low Input
DTC P0113 Intake Air Temperature Circuit High Input
DESCRIPTION
The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF)
meter, monitors the IAT.
The IAT sensor has a built-in ther ...
Power back door warning buzzer
INSPECTION
1. POWER BACK DOOR WARNING BUZZER
Check the resistance of the buzzer.
Resistance
If the result is not as specified, replace the buzzer.
NOTICE:
The circuit that causes the buzzer to sounds
is built into the back door ECU, not around
the buzzer.
Directly applying ...
