Engine Coolant Temperature Sensor: Removal

DRAIN ENGINE COOLANT (see REPLACEMENT )
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE AIR CLEANER CAP (see REMOVAL )
REMOVE AIR CLEANER CASE (see REMOVAL )
REMOVE ENGINE COOLANT TEMPERATURE SENSOR
1. Disconnect the sensor connector.
2. Using SST, remove the sensor and gasket.
  SST 09817-33190

DRAIN ENGINE COOLANT (see REPLACEMENT )
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE NO. 1 ENGINE COVER
1. Remove the 2 nuts and engine cover.
Fig 1: Installing No. 1 Engine Cover
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE AIR CLEANER CAP
1. Disconnect the mass air flow meter connector.
2. Disconnect the purge VSV connector.
3. Disconnect the 4 wire harness clamps.
  
  Fig 2: Disconnecting Wire Harness Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disconnect the No. 2 ventilation hose from the air cleaner hose.
5. Disconnect the purge line hose from the clamp.
  
  Fig 3: Connecting Purge Line Hose To Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Lock the No. 1 air cleaner hose clamp, and then disconnect the No. 1 air cleaner hose from the throttle body.
  
  Fig 4: Locking No. 1 Air Cleaner Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Unfasten the 2 hook clamps, and then remove the air cleaner cap.
8. Remove the air cleaner filter element from the air cleaner case.
Fig 5: Removing Air Cleaner
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY
1. Disconnect the purge line hose from the throttle body.
2. Disconnect the water by-pass hose from the throttle body.
3. Disconnect the No. 2 water by-pass hose from the throttle body.
4. Disconnect the No. 1 throttle body hose from the throttle body.
5. Disconnect the throttle position sensor and control motor connector.
  
  Fig 6: Connecting Fuel Tube Into Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Disconnect the wire harness clamp.
7. Disconnect the fuel tube from the clamp.
8. Remove the 4 bolts, and then remove the fuel pipe support and throttle body.
  
  Fig 7: Installing Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. Remove the gasket from the intake manifold.
Fig 8: Installing Gasket Onto Intake Manifold
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002