2020 Acura ILX Service and Repair Manual

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Factory-Grade Data

The 2020 Acura ILX service and repair manual is a practical, OEM-style reference for maintenance, diagnostics, and repair work. You’ll get step-by-step procedures, specifications, torque values, diagrams, and system information to help you troubleshoot accurately and finish jobs faster.

Ideal for professional technicians and DIY owners, this manual covers core vehicle systems including engine, brakes, steering, suspension, HVAC, and wiring diagrams. Instant digital access after purchase.

Trims covered

  • A-Spec Sedan 4-Door
  • Base Sedan 4-Door
  • Tech Sedan 4-Door

Engines covered

  • 2.4L 2356CC 144Cu. In. l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Body Repair
  • Body Repair Basic
  • Brakes
  • Control System DTCs
  • Driving Support & Restraints
  • Engine
  • HVAC
  • Network Communication
  • Paint Repair Basic
  • Steering
  • Suspension
  • Symptom
  • Trans/Driveline
  • Vehicle General Information
  • Wiring Diagrams

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Vehicle Safety Data

2020 Acura ILX Recalls & Complaints

NHTSA #23V85800018/12/2023Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX,

Consequence

Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy

Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2

NHTSA #25V85900011/12/2025Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Honda (American Honda Motor Co.) is recalling certain 2016-2020 Acura ILX vehicles. Contaminated brake fluid may cause a seal inside the brake master cylinder to deform, which can cause an internal br

Consequence

Reduced brake function can extend the distance required to stop, increasing the risk of a crash or i

Remedy

Dealers will replace the brake master cylinder, free of charge. Owner letters were mailed May 4, 2

TSB #11000147

Service News - Due to On-Board Diagnostic (OBD) regulation change starting with 2019 vehicles, American Hondas Variable Valve Timing and Lift Electronic Control (VTEC) On-Board Diagnostic monitors are now included in the EGR/VVT OBD Monitor

TSB #10241471

Service Bulletin - Vehicle owner notices condensation or moisture trapped inside one or both headlight assemblies that does not evaporate from the lamp due to the headlight making contact with a body panel creating a separation in the adhes

TSB #10237814

Service Bulletin - The headlight making contact with a body panel can create a separation in the adhesive between the headlight lens and the housing, allowing moisture to enter the headlight.

TSB #10227779

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect th

TSB #10227244

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect th

TSB #10226211

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect th

TSB #10224351

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 ILX with a client complaint of a brake pedal that intermittently goes soft or goes to the floor. To better understand the cause of this condition, AHM

TSB #10213586

Dealer message - American Honda Motor Co., Inc. (AHM) is collecting HEALTHY front driveshafts as well as driveshafts that are being replaced for issues other than noise (e.g. torn CV boot, leaking, vibration, etc.) from certain 2020 ILXs wh

Showing the 8 most recent of 75 technical service bulletins on file with NHTSA.

20231006Component: SEAT BELTSCrash reported

The contact owns a 2020 Acura ILX. The contact stated that while stopped and preparing to make a left turn, a 2002 Subaru ran a red light and crashed into the driver's side panel. The driver's side se

20251123Component: SERVICE BRAKES

I am experiencing an issue with my brakes. When I am at a red light and I brake, I find my brakes start to descend. So it's brake, then the brake moves a bit down towards the floor. Then it moves dow

20250911Component: STRUCTURE:BODY

[XXX] [XXX] Email: [XXX] Subject: CarMax auto and CarMax auto finance RE: CarMax auto finance [XXX] Phone: 18009253612 Website: carmax auto finance Transaction Date: 10/23/2023 Amount Paid: 2997

20250411Component: VISIBILITY/WIPER

I live in a colder climate, we’re were experiencing temperatures in the 20’s with ice storms. While driving the rear window completely shattered, the rear defroster was on during the time of the i

20250311Component: VISIBILITY/WIPER

the back glass burst for no reason; no impact.

Showing the 5 most serious of 10 complaints filed with NHTSA.

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