2009-2011 Lexus IS300C IS250C Wiring Diagrams

Introduction

How to use this manual Repair instructions Wire harness introduction Abbreviations Glossary

Engine / Hybrid System

• Cooling Fan
• Cruise Control (3GR-FE)
• Cruise Control (4GR-FSE)
• Dynamic Radar Cruise Control (3GR-FE)
• Dynamic Radar Cruise Control (4GR-FSE)
• Engine Control (3GR-FE)
• Engine Control (4GR-FSE)
• Ignition (3GR-FE)
• Ignition (4GR-FSE)
• Starting

Drivetrain

• ECT and A/T Indicator (3GR-FE)
• ECT and A/T Indicator (4GR-FSE)
• Shift Lock

Suspension

• Tire Pressure Warning System

Brake

• Vehicle Dynamics Integrated Management

Steering

• EPS
• Power Tilt and Power Telescopic
• Steering Lock

Audio/Visual/Telematics

• Audio System (w/ LEXUS Navigation System)
• Audio System (w/o LEXUS Navigation System)
• G-BOOK
• LEXUS Navigation System
• Parking Assist (Back Guide Monitor/Rear View Monitor)
• Parking Assist (LEXUS Parking Assist-Sensor)

Power Source / Network

• Charging
• DLC3
• Multiplex Communication System (AVC-LAN)
• Multiplex Communication System (BEAN)
• Multiplex Communication System (CAN)
• Power Source
• Ground Point

Vehicle Interior

• Air Conditioner
• Automatic Glare-Resistant EC Mirror
• Cigarette Lighter
• Climate Control Seat
• Clock
• Combination Meter
• Door Lock Control
• Double Locking
• Electric Tension Reducer
• Engine Immobiliser System
• Entry & Start System
• Illumination
• Interior Light
• Power Outlet
• Power Seat (Front LH Seat)
• Power Seat (Front RH Seat)
• Pre-Crash Safety System
• Seat Belt Warning
• Seat Heater
• SRS
• Theft Deterrent
• Wireless Door Lock Control

Vehicle Exterior

• Adaptive Front-Lighting System
• Automatic Light Control
• Back-Up Light
• Front Fog Light
• Front Window Deicer
• Front Wiper and Washer
• Fuel Lid Opener
• Headlight
• Headlight Beam Level Control (Automatic) · From Aug 2010
• Headlight Beam Level Control (Manual)
• Headlight Cleaner
• Horn
• Light Auto Turn Off System
• Light Reminder
• Luggage Compartment Door Opener
• Mirror Heater
• Power Window
• Rear Fog Light
• Rear Window Defogger
• Remote Control Mirror (w/ Seat Position Memory)
• Remote Control Mirror (w/o Seat Position Memory LHD)
• Remote Control Mirror (w/o Seat Position Memory RHD)
• Retractable Hardtop
• Stop Light
• Taillight
• Turn Signal and Hazard Warning Light

Locations and connectors

• Relay and fuse blocks · 25 drawings
• Wire routing · 63 drawings
• Connectors · 544 codes, 245 drawings
• Terminal repair · 234 connector parts