Problem Symptoms Table

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Before performing verification listed in the figure Fig 1 below, check the fuse and relay.

Methods used to verify the cause of the problem are listed in order of probability in the verification column.

Fig 1: Audio function Problem Symptoms Chart

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Fig 2: Identifying Rear Audio And Rear A/C Control SW Function

Fig 3: Steering Pad Function Chart