2009 INFINITI QX56 Service and Repair Manual

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Factory-Grade Data

2009 INFINITI QX56 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 Sport Utility 4-Door

Engines covered

  • 5.6L 5552CC V8 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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2009 INFINITI QX56 Recalls & Complaints

NHTSA #10E01900020/05/2010Component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

NISSAN IS RECALLING CERTAIN FRONT AND REAR LOWER LINKS, P/NOS. 54501ZQ00A, 54500ZQ00A, 551A1ZQ00A, 551A0ZQ00A , 54501EA00A, 54500EA00A, 551A1EA500, 551A0EA500, 54501ZR00A, AND 54500ZR00A, SOLD BETWEEN

Consequence

IF THE COLLAR WELD SEPARATES, THE VEHICLE HANDLING WILL DETERIORATE, POSSIBLY RESULTING IN A VEHICLE

Remedy

NISSAN WILL NOTIFY OWNERS AND DEALERS WILL REPLACE ANY AFFECTED LOWER LINK FREE OF CHARGE. THE SAFE

NHTSA #10V07400003/03/2010Component: FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

NISSAN IS RECALLING CERTAIN MODEL YEAR 2005-2009 TITAN, ARMADA, AND INFINITI QX56 VEHICLES. THE INSTRUMENT PANEL FUEL GAUGE MAY INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALLY A

Consequence

THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH.

Remedy

DEALERS WILL REPLACE THE FUEL SENDER UNIT INSIDE THE FUEL TANK WITH A NEW IMPROVED SENDER CARD. THI

NHTSA #10V07200002/03/2010Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

NISSAN IS RECALLING CERTAIN MODEL YEAR 2008-2010 TITAN, ARMADA, AND INFINITI QX56, AND MODEL YEAR 2008-2009 NISSAN QUEST VEHICLES. THE BRAKE PEDAL PIVOT PIN END WAS NOT SPIN-FORMED TO SPECIFICATION D

Consequence

THE DRIVER WILL EXPERIENCE UNUSUAL AND NOTICEABLE LOOSENESS IN THE PEDAL AND A REDUCTION IN BRAKING

Remedy

DEALERS WILL INSPECT TO SEE IF THE PIVOT PIN HAD BEEN FORMED PROPERLY AND WILL REPLACE THE BRAKE PED

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 #10233611

ABS/VDC CAN DIAGNOSIS INFORMATION 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 100 technical service bulletins on file with NHTSA.

20230420Component: FUEL SYSTEM, OTHER

The contact owns a 2009 Infiniti QX56. The contact stated while driving 65 MPH, the fuel gauge indicated that there was no fuel remaining, and the vehicle lost motive power and stalled. The contact wa

20220714Component: SUSPENSION

The contact owns a 2009 Infiniti QX56. The contact while driving approximately 25 MPH, there was swaying in the rear of the vehicle. The contact also stated that the fuel gauge was not operating prope

20220714Component: STEERING

The contact owns a 2009 Infiniti QX56. The contact while driving approximately 25 MPH, there was swaying in the rear of the vehicle. The contact also stated that the fuel gauge was not operating prope

20181117Component: ELECTRONIC STABILITY CONTROL (ESC)

I WAS DRIVING ON INTERSTATE 435 W. IN KANSAS CITY KANSAS. IT WAS ABOUT 4:15 AM TRAVELING AT 70-72 MPH MY VISIBILITY WAS OK BUT I THOUGHT THAT IF I USE MY HIGHBEAM IT WOULD BE BETTER. AS SOON AS I CLI

20181117Component: ELECTRICAL SYSTEM

I WAS DRIVING ON INTERSTATE 435 W. IN KANSAS CITY KANSAS. IT WAS ABOUT 4:15 AM TRAVELING AT 70-72 MPH MY VISIBILITY WAS OK BUT I THOUGHT THAT IF I USE MY HIGHBEAM IT WOULD BE BETTER. AS SOON AS I CLI

Showing the 5 most serious of 14 complaints filed with NHTSA.

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