Crankshaft Position Sensor: Removal

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

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 ENGINE UNDER COVER (See ON-VEHICLE INSPECTION )
REMOVE CRANKSHAFT POSITION SENSOR
1. Disconnect the sensor connector.
2. Remove the bolt and sensor.
  
  Fig 1: Locating Sensor Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002