Air Conditioning Control Assembly: Disassembly

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE A/C AMPLIFIER
1. Remove the 4 screws.
  
  Fig 1: Removing A/C Amplifier Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using a screwdriver, release the 4 claws and pull out the A/C amplifier.
  HINT:
  
  Tape the screwdriver tip before use.
  
  Fig 2: Removing A/C Amplifier Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Release the connector lock and pull out the flat harness.
NOTE: Pull the lock of the connector securely toward you and pull off the flexible flat cable.

Fig 3: Releasing Connector Lock & Pulling Out Flat Harness
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE BULBS
Using a screwdriver, turn the bulbs to the left and pull out the bulbs.

Fig 4: Removing Bulbs
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REMOVE P/C BOARD
Remove the 4 screws and P/C board.

Fig 5: Removing P/C Board
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
- Do not let any oil, dirt or foreign object on the connecting part of the P/C board.
- When holding the P/C board by hand, hold it at the edge and do not touch the soldered part and connecting part.
- Do not apply unnecessary force to the jumper lead.
- Do not let the accumulated static electricity in an operator apply to the electronic components.
- Do not tumble the LED as this soldered to the P/C board at right angles.
  
  Fig 6: Identifying Jumper Lead
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE DIAL KNOBS
Remove the 6 screws and dial knobs.

Fig 7: Removing Dial Knobs
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
- Do not let any oil, dirt or foreign object attach on the connecting part of the connector.
- Do not deform the contact.
- Be careful not to drop the contact.
  
  Fig 8: Identifying Contact
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOB SETS
Pull out the knob sets.

Fig 9: Removing Knob Sets
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE: Do not let any oil, dirt or foreign object attach on the rubber contact part.

Fig 10: Identifying Rubber Contact Part
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