Integration Relay: Removal: Removal

PRECAUTION (w/ Navigation System for HDD)
NOTE:
After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
REMOVE NO. 1 RELAY BLOCK COVER
1. Disengage the 3 claws and remove the upper No. 1 relay block cover.
  
  Fig 1: Location Of 3 Claws To Install The Upper No. 1 Relay Block Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disengage the 4 claws and remove the lower No. 1 relay block cover.
  
  Fig 2: Location Of 4 Claws To Install The Lower No. 1 Relay Block Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ENGINE ROOM JUNCTION BLOCK ASSEMBLY
1. Disengage the 2 claws and pull up the engine room junction block assembly as shown in the illustration.
  
  Fig 3: 2 Claws & Engine Room Junction Block Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the 3 connectors and remove the engine room junction block assembly.
  
  Fig 4: Location Of 3 Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002