2012 Lexus IS 350C Service and Repair Manual

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Factory-Grade Data

2012 Lexus IS 350C 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

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 350C 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 #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 #10209023

TSB: Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purp

TSB #10207945

POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any custome

TSB #10205128

Navigation System Firmware Improvement (Generation 6)

TSB #10205129

HDD Navigation Map Update Process - Lexus models equipped with Hard Disk Drive (HOD) Navigation require a Special Service Tool and follow a unique process for updating map, points of interest, and system software. Instead of individual DVDs

TSB #10205297

World Standard Automatic Transmission Fluid

Showing the 8 most recent of 202 technical service bulletins on file with NHTSA.

20170904Component: AIR BAGS

TAKATA RECALL IS STILL PENDING IT IS TAKING A LONG TIME TO FIX PROBLEM

20170904Component: AIR BAGS

EARLIER THIS YEAR, I RECEIVED THE TAKATA AIRBAG RECALL NOTICE AND IN THE NOTICE IT INDICATES THERE IS NO REMEDY. JUST RECENTLY, I CALLED TOYOTA NORTH AMERICAN, WAS TRANSFERRED TO LEXUS CORP. SPOKE WIT

20170328Component: AIR BAGS

TAKATA RECALL. THE RECALL WAS INITIATED IN JANUARY. I GOT A LETTER IN FEBRUARY. AS OF TODAY (MARCH 28) THE TOYOTA WEBSITE ESTIMATES A FIX MAY BE AVAILABLE IN SEPTEMBER! BUT NO COMMITMENT. IN THE

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