LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2002 >> LS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Shift Interlock Systems >> Description & Operation >> Introduction
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Description & Operation: Introduction

Transaxle/transmission is equipped with an electronically controlled shift interlock and key interlock system. See COMPONENT LOCATIONS . Shift interlock system prevents gearshift lever from being moved from Park unless brake pedal is depressed. In case of a malfunction, gearshift lever can be released by depressing shift interlock override button, located near gearshift lever under small plastic cover (if equipped). Key interlock system prevents ignition key from being moved from ACC to LOCK position on ignition switch unless gearshift lever is in Park position.

System consists of brakelight switch (also referred to as stop lamp switch), key interlock solenoid, shift interlock control Electronic Control Unit (ECU), shift interlock solenoid and shift interlock release button. All models may not be equipped with all components.

NOTE: Sequoia, Sienna and Tundra models are equipped with cable operated shift interlock system. See SHIFT INTERLOCK SYSTEM OPERATION CHECK (CABLE OPERATED)  and ADJUSTMENTS  .