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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

Perform troubleshooting in accordance with the procedure shown in Fig 1

Fig 1: Air Condition System-Troubleshooting Chart
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