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Home >> Lexus >> 2013 >> IS 250C Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes & Circuit Tests) >> Navigation System >> Circuit Tests >> Steering Pad Switch Circuit >> Description

Steering Pad Switch Circuit: Description

This circuit sends an operation signal from the steering pad switch assembly to the multimedia module receiver assembly.

If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly.

If there is a short in the circuit, the same condition as to when a switch is continuously depressed occurs.

Therefore, the multimedia module receiver assembly cannot be operated using the steering pad switch assembly, and also the multimedia module receiver assembly itself cannot function.