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Climate Control Seat (Diagnostics & Symptom Tests): Overview Lexus IS III

Seats 1 illustration

SYSTEM DESCRIPTION [04/2013 - ]

  1. GENERAL The seat blower has 3 levels of volume, controlled by operating the refreshing seat switch. Whether the blower is on or off can be determined by checking if the refreshing seat switch indicator light is on or off. The blowers of both seats are controlled by the air conditioning amplifier assembly.

DESCRIPTION

The air conditioning amplifier assembly receives refreshing seat switch position signals when the engine switch is on (IG), and then transmits airflow amount signals to each seat climate blower.

Scheme 151

Scheme 151: WIRING DIAGRAM