Ignition Coil: Removal

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 COVER (See ON-VEHICLE INSPECTION )
REMOVE IGNITION COIL ASSEMBLY
1. Disconnect the 4 ignition coil connectors.
  
  Fig 1: Locating Ignition Coil Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 4 bolts and 4 ignition coils.
  
  Fig 2: Locating Ignition Coils With Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002