2012 INFINITI M37 Service and Repair Manual

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Covers all 2012 M37 trims — Base Sedan 4-Door, X Sedan 4-Door ·
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2012 INFINITI M37 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • Base Sedan 4-Door
  • X Sedan 4-Door

Engines covered

  • 3.7L 3696CC V6 GAS DOHC Naturally Aspirated

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
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
No active recalls The 2012 INFINITI M37 has no recalls on file with NHTSA.
TSB #11031720

CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement Certification Label or VIN Plate/Label may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehi

TSB #11002539

INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11002537

CAN COMMUNICATION NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001653

CAN COMMUNICATION CODES DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001182

WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001179

REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001177

WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #10235451

HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Showing the 8 most recent of 51 technical service bulletins on file with NHTSA.

20210623Component: STEERINGCrash reported

When the steering wheel is adjusted up, down or the telescopic adjustment is used a loud pop is heard, the casing comes apart and it is no longer possible to turn the wheel left or right.

20160106Component: FUEL/PROPULSION SYSTEMFire reported

TL* THE CONTACT OWNS A 2012 INFINITI M37. WHILE DRIVING APPROXIMATELY 55 MPH, BLACK SMOKE EMITTED FROM THE HOOD OF THE VEHICLE. THE CONTACT PULLED TO THE SIDE OF THE ROAD AND A BALL OF FLAMES IMMEDIAT

20260116Component: AIR BAGS

The front passenger airbag warning light came on with a dash warning flashing light. I isolated the fault to the passenger seat weight sensor, which prevents the airbag from deploying when a passenger

20240611Component: AIR BAGS

The contact owns a 2012 Infiniti M37. The contact stated that the front passenger's side air bag warning light was illuminated. The vehicle was taken to the dealer; however, the vehicle was not diagno

20230103Component: ENGINE AND ENGINE COOLING

The contact owns a 2012 Infiniti M37. The contact stated that upon taking the vehicle to an independent mechanic for an oil change, she was informed that the radiator pressure O-ring was leaking coola

Showing the 5 most serious of 44 complaints filed with NHTSA.

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