2012 Lexus IS 350 Service and Repair Manual

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Factory-Grade Data

2012 Lexus IS 350 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • Base
  • F Sport

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

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Vehicle Safety Data

2012 Lexus IS 350 Recalls & Complaints

NHTSA #13V03000030/01/2013Component: VISIBILITY/WIPER

Toyota is recalling certain model year 2006-2012 Lexus IS250 and IS350 vehicles manufactured August 23, 2005, through October 5, 2011; 2010-2012 Lexus IS250C and IS350C vehicles manufactured April 10,

Consequence

Inoperative wipers could reduce driver visibility and increase the risk of a vehicle crash.

Remedy

Toyota will notify owners, and Lexus dealers will install new wiper arm nuts, free of charge. An in

NHTSA #19V74100017/10/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2010-2016 4Runner, 2003-2006 Tundra, 2003-2013 Corolla, 2009-2010 Corolla Matrix, 2004-2005 RAV4, 2002-2007 Sequoia, 2011-2013 Si

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Toyota will notify owners. Depending on the vehicle model, dealers will replace the front driver in

NHTSA #17V00600009/01/2017Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2012 Toyota 4Runner, Corolla, Corolla Matrix, Sienna, Yaris, Scion xB, Lexus ES350, GX460, IS-F, IS250, IS350, IS250C, IS350C, an

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Toyota will notify the Toyota, Scion and Lexus owners. General Motors will contact the Pontiac owne

TSB #10230350

DP: Customer Support Program 19LE05 expired December 1, 2022.

TSB #10230351

TI: 19LE05 Expired December 1, 2022

TSB #10230352

DP: Limited Service Campaign KLG expired December 01, 2022

TSB #10230353

TI: 19LE05 Expired December 1, 2022

TSB #10217805

CSP: On July 30, 2018, a settlement of claims for Economic Loss related to Takata airbag inflators was approved for full implementation. The settlement includes Lexus?s agreement to provide a Customer Support Program (?CSP?) for 2002-2019 m

TSB #10217806

CSP: Takata CSP Coverage Job Aid - published 7.28.2022

TSB #10214355

Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022

TSB #10210374

TSB: This Service Bulletin includes procedures to replace damaged or loose front carpet floor retainer(s) without replacing the carpet assembly. Follow the Repair Procedure in this bulletin to replace the loose or damaged carpet floor retai

Showing the 8 most recent of 213 technical service bulletins on file with NHTSA.

20171005Component: AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2012 LEXUS IS 350. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V006000 (AIR BAGS). HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTA

20161022Component: AIR BAGS

NO ONE HAS CONTACTED US ABOUT THIS HAZARD IT HAS BEEN A YEAR WHAT ARE THEY WAITING FOR THE CAR TO GET IN AN ACCIDENT SO THEY WON'T HAVE TO FIX IT I CAN'T SELL THE CAR BECAUSE OF THIS PROBLEM I CAN

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