Air Conditioning Control Assembly: Disassembly

WARNING: This page is about a different car, the 2002 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 & 4 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: Using A Screwdriver To Release 4 Claws & Pull Out A/C Amplifier
  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 & Pull 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: Using A Screwdriver To Turn Bulbs To Left & Pull Out Bulbs.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove P/C Board
Remove the 4 screws and P/C board.

Fig 5: Remove 4 Screws & P/C Board
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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
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Remove Dial Knobs
Remove the 6 screws and dial knobs.

Fig 7: Remove 6 Screws & 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
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Remove Knob Sets
Pull out the knob sets.

Fig 9: Pulling Out Knob Sets
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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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