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Home >> Lexus >> 2009 >> SC 430 >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> Electronically Controlled Transmission and A/T Indicator >> System Outline >> Electronically Controlled Transmission Pattern Select SW Circuit
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Electronically Controlled Transmission Pattern Select SW Circuit

When the electronically controlled transmission pattern select SW is switched to PWR, a signal is input to TERMINAL PWR of the passenger side J/B ECU, and control signals are distributed to the engine control module through communication control of the J/B ECU. This enables shift-up and shift-down at a higher speed range.