Engine Coolant Temperature Sensor: Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE:
- Some systems need to be initialized after the cable is reconnected (see INITIALIZATION ).
- After the ignition switch is turned OFF, the navigation system requires approximately 90 seconds to record various types of memory and settings. As a result, after turning the ignition switch OFF, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal.
REMOVE INTAKE AIR SURGE TANK
1. Remove the intake air surge tank (See REMOVAL ).
DISCONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY (See REMOVAL )
DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY (See REMOVAL )
REMOVE INTAKE MANIFOLD
1. Disconnect the 6 fuel injector connectors.
2. Remove the 10 bolts, intake manifold and 2 gaskets.
  
  Fig 1: Locating Intake Manifold Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ENGINE COOLANT TEMPERATURE SENSOR
1. Disconnect the sensor connector.
2. Remove the sensor.
3. Remove the gasket from the sensor.
  
  Fig 2: Identifying Engine Coolant Temperature Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002