Front Seat Assembly (For Manual Seat) - Reassembly
Engage the clip and install the vertical adjuster spacer.
Front Seat Assembly (For Manual Seat) - Disassembly
Remove the snap ring and the vertical seat adjuster knob.
Front Seat Assembly (For Manual Seat) - Removal
Move the front seat assembly to the rearmost position by operating the slide handle.
Front Seat Assembly (For Manual Seat) - Components
Lexus IS250 IS220d GSE20 ALE20 SEAT
Climate Control Seat System - Climate Control Seat System Does Not Operate
The A/C amplifier assembly receives seat position signals when the engine switch is on (IG), and then transmits airflow amount signals to each seat climate blower.
Climate Control Seat System - On-Vehicle Inspection
Turn the engine switch on (IG).
Climate Control Seat System - Terminals Of Ecu
Measure the voltage and resistance according to the value(s) in the table below.
Climate Control Seat System - Problem Symptoms Table
Lexus IS250 IS220d GSE20 ALE20 SEAT
Climate Control Seat System - How To Proceed With Troubleshooting
Circuit inspection
Climate Control Seat System - System Description
The blower volume has 4 levels controlled by operating the dial-type climate control seat switch, which is located in the console box.