Toyota Sienna Quiz
Engine

Engine coolant temperature sensor

In this manual: Engine
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read

COMPONENTS

Engine coolant temperature sensor

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

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

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

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)

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.