2018-2022 Honda HR-V Wiring Diagram

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Get the original OEM Wiring Diagram Manual for the 2018-2022 Honda HR-V, available in a convenient PDF format.

2018–2022 Honda HR-V Wiring Diagram | OEM Electrical Workshop Manual PDF

This is the original OEM Wiring Diagram Manual for the 2018–2022 Honda HR-V, provided in a simple and easy-to-use PDF format. This factory manual includes detailed electrical schematics and wiring diagrams to help you accurately diagnose and repair your vehicle’s electrical systems.

Used by Honda dealership technicians worldwide, this manual is a trusted and authoritative resource for service professionals and DIY mechanics alike.


File Format PDF
File Language English
You’ll Get 22.7 MB
Pages Count 214
Delivery Method Instant Download
Searchable & Printable YES
Maintain and repair your 2018–2022 Honda HR-V like a pro with this official OEM wiring diagram manual — the gold standard for electrical diagnostics and service.

Key Features:

  • Model Years Covered: 2018, 2019, 2020, 2021, and 2022 Honda HR-V
  • Format: Fully searchable, printable PDF
  • OEM Source: The same diagrams used by authorized Honda service centers

Benefits:

  • ✔️ Accurate and reliable factory information
  • ✔️ Easy to navigate PDF format for desktop and mobile
  • ✔️ Saves time and money on electrical troubleshooting
  • ✔️ Ideal for workshop use and home garage repairs

Why Choose This Manual?

This wiring diagram manual offers full transparency into the electrical layout of your Honda HR-V. Whether you’re replacing a sensor, diagnosing a short, or upgrading components, this manual provides the factory guidance needed for confident, correct repairs.

This electrical wiring manual includes the procedures for maintenance, disassembling, reassembling, inspection, and adjustment of electrical components and diagnostics for guidance of experienced technicians. Please use this manual to ensure complete repair work to keep your vehicle in optimum condition.

Table of Contents : 2018-2022 Honda HR-V Wiring Diagram

Table of Contents 2022 Honda HR-V Wiring Diagram

Sample Pages


CAUTION : This OEM service and workshop repair manual provides detailed procedures for maintenance, disassembly, reassembly, inspection, adjustment, and diagnostics. It is intended as a comprehensive guide for experienced mechanics. To ensure thorough and accurate repairs that maintain your vehicle’s optimal performance, please read and follow this manual carefully. When replacing parts during any repair work, always use genuine Honda parts to ensure quality, safety, and reliability.

2018–2022 Honda HR-V: Overview, Specs, Common Problems, Maintenance, Recalls/TSBs, DTC Codes & Final Verdict

The 2018–2022 Honda HR-V is a subcompact crossover positioned below the CR-V, built on a light, efficient platform with front-wheel drive standard and optional all-wheel drive. Power comes from a naturally aspirated 1.8L inline-four paired to a CVT (or a 6-speed manual in limited trims/years). Owners value practicality, visibility, and efficiency; complaints center on CVT behavior, modest power, and aging infotainment electronics.



Key Features

Engine & Performance

  • 1.8L 4-cylinder engine producing 141 horsepower
  • Available with either a CVT (Continuously Variable Transmission) or 6-speed manual transmission (LX trim only)
  • Front-wheel drive (FWD) standard; all-wheel drive (AWD) available
  • Fuel economy around 28-34 mpg depending on drivetrain

Interior & Practicality

  • Seating for 5 passengers
  • Honda’s “Magic Seat” system allows the rear seats to fold in multiple configurations for versatile cargo space
  • Up to 58.8 cubic feet of cargo space with rear seats folded
  • 5-inch or 7-inch touchscreen infotainment (depending on trim)
  • Apple CarPlay and Android Auto standard on most trims

Trim Levels

  • LX (base)
  • Sport
  • EX
  • EX-L
  • Touring (added for 2019)

Safety

  • Honda Sensing suite became standard across all trims starting in 2019, including:
    • Collision Mitigation Braking System
    • Road Departure Mitigation
    • Adaptive Cruise Control
    • Lane Keeping Assist

Top 10 Common Mechanical Issues (Symptoms, Root Cause, Fix, Cost)

  1. CVT shudder or hesitation
    Symptoms: Shuddering on light acceleration, delayed takeoff, droning at steady speeds.
    Root Cause: Degraded CVT fluid, software calibration, internal belt/pulley wear over time.
    Fix: CVT fluid service with correct Honda fluid; software update/relearn; further diagnosis if persists.
    Cost to Fix: $150–$300 (fluid service) / $1,500–$3,500 (advanced repair or replacement).
  2. Premature brake wear
    Symptoms: Squealing, vibration, reduced braking feel.
    Root Cause: Pad compound choice and stop-and-go driving accelerate wear on a light vehicle.
    Fix: Replace pads/rotors as a set; verify caliper slide lubrication.
    Cost to Fix: $250–$600 per axle.
  3. Rear differential noise (AWD models)
    Symptoms: Groaning or humming from rear during turns.
    Root Cause: Old or incorrect rear diff fluid; missed service intervals.
    Fix: Drain/refill with Honda-specified dual-pump fluid; road test.
    Cost to Fix: $120–$250.
  4. Engine mount wear
    Symptoms: Excess vibration at idle or during gear engagement.
    Root Cause: Rubber mount deterioration over mileage and heat cycles.
    Fix: Replace affected mount(s); inspect remaining mounts.
    Cost to Fix: $300–$900.
  5. Wheel bearing noise
    Symptoms: Growling that increases with speed and changes while turning.
    Root Cause: Bearing wear, often from mileage or road conditions.
    Fix: Replace hub/bearing assembly; alignment check recommended.
    Cost to Fix: $350–$700 per wheel.
  6. Suspension bushing wear
    Symptoms: Clunks over bumps, vague steering feel.
    Root Cause: Rubber bushing fatigue in control arms/sway bars.
    Fix: Replace worn bushings or arms; torque to spec at ride height.
    Cost to Fix: $250–$800.
  7. Cooling system seepage
    Symptoms: Coolant smell, low reservoir level, overheating warnings (rare).
    Root Cause: Aging hoses or radiator seams over time.
    Fix: Pressure test; replace leaking component; refill and bleed system.
    Cost to Fix: $150–$700.
  8. Alignment drift / uneven tire wear
    Symptoms: Pulling, rapid inner/outer tire wear.
    Root Cause: Alignment changes from potholes or worn suspension parts.
    Fix: Four-wheel alignment; replace worn components if needed.
    Cost to Fix: $120–$250 (alignment only).
  9. Exhaust heat shield rattle
    Symptoms: Metallic rattle at idle or low speeds.
    Root Cause: Loose or corroded heat shield fasteners.
    Fix: Secure or replace shield/hardware.
    Cost to Fix: $50–$200.
  10. Manual transmission clutch wear (manual models)
    Symptoms: Slipping, high engagement point, burning smell.
    Root Cause: Normal wear accelerated by city driving.
    Fix: Replace clutch kit; inspect flywheel.
    Cost to Fix: $800–$1,600.

Top 10 Common Electrical Issues (Symptoms, Root Cause, Fix, Cost)

  1. Infotainment freezing or rebooting
    Symptoms: Screen locks up, slow response, random resets.
    Root Cause: Software bugs or aging head unit memory.
    Fix: Software update/reflash; head unit replacement if unresolved.
    Cost to Fix: $0–$150 (update) / $800–$1,500 (replacement).
  2. Backup camera intermittent
    Symptoms: Blank or flickering image when in reverse.
    Root Cause: Camera module wear or tailgate harness fatigue.
    Fix: Inspect wiring; replace camera module if faulty.
    Cost to Fix: $200–$600.
  3. TPMS warning light
    Symptoms: Tire pressure light stays on despite proper inflation.
    Root Cause: Sensor battery depletion over time.
    Fix: Replace affected TPMS sensors and reprogram.
    Cost to Fix: $150–$400 (set varies).
  4. Keyless entry range issues
    Symptoms: Poor remote response, intermittent locking/unlocking.
    Root Cause: Weak fob battery or antenna issues.
    Fix: Replace fob battery; diagnose antenna/module if persists.
    Cost to Fix: $10–$300.
  5. Battery drain / no-start
    Symptoms: Dead battery after short parking periods.
    Root Cause: Parasitic draw or aging battery.
    Fix: Battery replacement; parasitic draw test if recurring.
    Cost to Fix: $150–$400.
  6. Power window slow operation
    Symptoms: Window hesitates or stops mid-travel.
    Root Cause: Regulator wear or dry window channels.
    Fix: Lubricate channels; replace regulator if needed.
    Cost to Fix: $150–$450.
  7. Dashboard warning lights after battery replacement
    Symptoms: Multiple lights illuminated after service.
    Root Cause: Lost calibrations (steering angle, TPMS).
    Fix: Perform calibration procedures; clear codes.
    Cost to Fix: $80–$200.
  8. HVAC control issues
    Symptoms: Incorrect airflow direction or temperature control.
    Root Cause: Blend door actuator wear.
    Fix: Replace actuator; recalibrate HVAC system.
    Cost to Fix: $300–$700.
  9. Parking sensor false alerts
    Symptoms: Beeping with no obstacle present.
    Root Cause: Sensor contamination or failure.
    Fix: Clean sensors; replace faulty unit if needed.
    Cost to Fix: $150–$500.
  10. Interior lighting flicker
    Symptoms: Cabin lights flicker or fail intermittently.
    Root Cause: Loose ground or switch wear.
    Fix: Inspect grounds/switches; repair wiring.
    Cost to Fix: $50–$250.

Pros & Cons

Pros Cons
Good fuel efficiency Underpowered for highway passing
Reliable engine design CVT feel not engaging
Compact and easy to park Infotainment feels dated
Available AWD Limited towing capability
Strong resale value Road noise at higher speeds

Maintenance Schedule

Interval Service Notes
Every 7,500 mi Oil & filter Shorter if severe driving
Every 15,000 mi Tire rotation, inspections Check brakes
Every 30,000 mi Engine air filter, brake fluid AWD: inspect rear diff
Every 50,000 mi CVT fluid service Critical for longevity
Every 100,000 mi Spark plugs, coolant check Replace as needed

Top Competitors

How the HR-V Stacks Up: The HR-V wins on cargo versatility (Magic Seat), reliability reputation, and practical everyday usability. It loses on power, driving engagement, and interior refinement compared to newer rivals like the Mazda CX-30 and Trailblazer.

Top 10 Recalls, Advisories & TSB Highlights for 2018–2022 Honda HR-V

1. Fuel Pump Recall (NHTSA 20V-134, 21V-004) Affects 2018-2020 models. The low-pressure fuel pump may fail, causing the engine to stall without warning while driving. This is a serious safety concern. Honda replaced affected fuel pumps free of charge. Check if your VIN has been serviced, as this was a widespread issue affecting multiple Honda models.

2. Airbag Inflator Recall – Takata (Multiple Recalls) Certain 2018-2019 models may have defective Takata airbag inflators that can rupture and spray metal fragments. This ongoing recall affects millions of vehicles across brands. Critical safety issue—verify replacement has been completed before purchasing any used HR-V from this era.

3. Brake System Hose Recall (NHTSA 19V-120) Affects some 2018-2019 models. The rear brake hose may have been improperly assembled, potentially causing brake fluid leakage and reduced braking performance. Dealers inspected and replaced faulty hoses. Check service records to confirm completion.

4. Parking Brake Cable Corrosion (TSB 19-078) Models in salt-belt states may experience parking brake cable corrosion, leading to the parking brake not releasing properly or becoming stuck. TSB recommends cable inspection and replacement if corroded. Important for buyers in snowy/salted road regions.

5. Premature Rear Brake Wear (TSB 18-077, Multiple Owner Complaints) Widespread reports of rear brake pads wearing excessively fast, sometimes needing replacement before 20,000 miles. While Honda issued guidance on proper break-in procedures, many owners still experience this issue. Budget for earlier-than-expected rear brake service.

6. AC Compressor Clutch Failure (TSB 20-051) Some 2018-2020 models experience AC compressor clutch failure, resulting in no air conditioning. Honda extended warranty coverage for certain VINs. During test drives, verify AC blows cold consistently. Replacement can cost $1,000+ out of warranty.

7. Infotainment System Freezing/Glitches (Multiple TSBs) The 7-inch Display Audio system may freeze, reboot randomly, or experience touchscreen responsiveness issues. Software updates have been released to address these problems. Test all infotainment functions thoroughly, including Apple CarPlay/Android Auto connectivity.

8. Sunroof Drain Tube Clogging (TSB 19-011) Sunroof-equipped models (EX and above) may have drain tubes that clog with debris, causing water to leak into the cabin, typically at the A-pillars or footwells. Regular cleaning prevents this, but check for water stains or musty odors indicating past leaks.

9. Excessive Road Noise/Wind Noise (Owner Complaints, No Official TSB) Many owners report excessive road noise and wind noise, particularly around the A-pillars and windows at highway speeds. This appears to be a design characteristic rather than a defect. Honda has not issued official remedies, though some dealers have added weatherstripping.

10. CVT Transmission Judder/Shudder (TSB 19-009) Some owners report CVT vibration or shuddering during acceleration, especially from a stop. Honda released a software update to recalibrate transmission control. While not as problematic as CVTs in some other Honda models, be alert for unusual transmission behavior during test drives.

Before Purchasing:

  • Run a VIN check at Honda’s recall website (recalls.honda.com) to verify all recalls completed
  • Request complete service history showing recall and TSB work
  • Budget approximately $500-800 annually for maintenance beyond routine oil changes due to brake wear issues
  • Have a pre-purchase inspection focus on brakes, AC function, and listen for transmission abnormalities

DTC Trouble Codes

Engine Control Module (ECM)

Code Description Cause Fix
P0171 System Too Lean Vacuum leak Smoke test, repair leak
P0300 Random Misfire Ignition issue Inspect plugs/coils
P0420 Catalyst Efficiency Aging catalyst Verify sensors, replace cat
P0101 MAF Range/Performance Dirty MAF Clean/replace sensor
P0128 Coolant Temp Below Regulating Thermostat Replace thermostat
P0455 EVAP Large Leak Loose cap Check EVAP system
P2195 O2 Sensor Stuck Lean Sensor drift Replace sensor
P0505 Idle Control System Throttle body Clean/relearn
P0606 ECM Processor Fault Voltage issue Battery test
P0700 Transmission Control Request Related TCM code Scan TCM

Transmission Control Module (TCM)

Code Description Cause Fix
P0740 TCC Circuit Solenoid Electrical test
P0796 Pressure Control Solenoid Valve body Fluid service
P0705 Range Sensor Sensor misadjusted Adjust/replace
P0845 Pressure Sensor Sensor fault Replace sensor
P0868 Low Pressure Fluid level Correct level
P0720 Output Speed Sensor Sensor failure Replace sensor
P0715 Input Speed Sensor Sensor failure Replace sensor
P2769 TCC Solenoid Electrical fault Repair wiring
P2714 Pressure Control Solenoid D Valve body Service valve body
P0894 Transmission Slipping Internal wear Advanced diagnosis

ABS / ESC

Code Description Cause Fix
C0035 Wheel Speed Sensor Sensor/wiring Replace sensor
C0040 Wheel Speed Sensor Sensor/wiring Replace sensor
C0110 Pump Motor ABS pump Inspect unit
C0131 Pressure Sensor Sensor fault Replace sensor
C0265 ABS Relay Relay failure Replace relay
C1095 VSA Modulator Module issue Replace module
C1210 ECM Requested MIL Engine fault Fix ECM code
C1241 Low Battery Voltage Battery weak Replace battery
C1290 Steering Angle Calibration lost Calibrate
C1336 Zero Point Calibration Calibration undone Perform calibration

SRS Airbag System

Code Description Cause Fix
B0010 Driver Airbag Clock spring Replace clock spring
B0020 Passenger Airbag Connector issue Repair wiring
B0051 Seat Belt Pretensioner Pretensioner fault Replace unit
B0070 Side Airbag Seat wiring Inspect harness
B0081 OCS Sensor Calibration error Calibrate OCS
B0090 SRS ECU Module failure Replace ECU
B0100 Impact Sensor Sensor damage Replace sensor
B0110 Passenger Detection Seat sensor Repair seat wiring
B0120 Curtain Airbag Wiring issue Inspect harness
B0130 SRS Power Supply Voltage issue Battery test

Body Control / CAN Communication

Code Description Cause Fix
U0100 Lost Comm With ECM CAN fault Inspect wiring
U0121 Lost Comm With ABS CAN fault Inspect wiring
U0140 Lost Comm With BCM BCM power issue Check fuses
U0155 Lost Comm With Cluster Cluster power Repair circuit
B1101 Door Lock Circuit Actuator Replace actuator
B1241 Low Voltage Weak battery Replace battery
B1260 Immobilizer Key issue Reprogram key
B2312 Power Window Regulator Replace regulator
B2355 Lighting Control Switch fault Replace switch
U0073 CAN Bus Off Short/open Network diagnosis

FAQs for 2018–2022 Honda HR-V Buyers

Is the HR-V reliable?

Yes, the HR-V has an excellent reliability record. Honda consistently ranks well in reliability surveys, and this generation HR-V experiences fewer problems than many competitors. Expect minimal major issues with proper maintenance.

Which model years are best?

Later years benefit from incremental software updates. A well-maintained 2020–2022 example is often the safest buy.

Is the CVT a problem?

Most issues stem from neglected fluid changes. Regular service significantly reduces risk.

What is the most expensive common repair?

CVT replacement, if needed, is the highest-cost item.

Is AWD worth it?

AWD improves winter traction but adds maintenance (rear differential service).

How long does the engine last?

With proper maintenance, 200,000+ miles is common.

Is it safe to drive with warning lights on?

Brake, airbag, or overheating warnings should be addressed immediately.

What should buyers inspect before purchase?

CVT service records, brake condition, alignment, and recall completion.

Should I get FWD or AWD?

Choose FWD if you mostly drive in mild climates and want better fuel economy (saves about 2-3 mpg). Opt for AWD if you experience snow, ice, or frequently drive on unpaved roads. The AWD system adds capability without a huge fuel penalty.

Which trim level offers the best value?

The EX trim (2019+) offers the sweet spot with Honda Sensing safety features, a sunroof, and the larger touchscreen. The Sport adds styling but minimal functional upgrades. Avoid 2018 models without Honda Sensing if safety tech matters to you.

Is the engine powerful enough?

The 141-hp engine handles city driving well but struggles with highway merging and passing, especially with passengers or cargo. It’s adequate for daily commuting but not for those who prioritize spirited driving or frequently travel on highways with steep grades.

What are common problems to watch for?

Relatively few major issues, but be aware of: premature brake wear (especially rear brakes), occasional AC compressor failures, and infotainment system glitches. Check for proper AC function and listen for brake noise during test drives.

How does cargo space compare to competitors?

The HR-V excels here. The Magic Seat system provides 58.8 cubic feet with seats folded, beating the Mazda CX-30, Nissan Kicks, and Hyundai Kona. The flexible seating configurations allow you to carry tall items or create a nearly flat load floor.

What’s the real-world fuel economy?

Expect 26-28 mpg combined with AWD and 28-31 mpg with FWD in mixed driving. Highway driving can reach 32-34 mpg. The CVT transmission helps maximize efficiency but can feel sluggish during acceleration.

Are there any significant changes between model years?

2019 is a key year: Honda Sensing became standard across all trims, and the Touring trim was added. 2018 models lack standard safety tech on lower trims. 2020-2022 saw only minor updates, making any 2019+ model essentially equivalent.

How much should I expect to pay (used)?

As of early 2025, expect to pay approximately $16,000-$20,000 for 2018-2019 models, $19,000-$23,000 for 2020-2021, and $21,000-$26,000 for 2022 models, depending on mileage, condition, and trim level. AWD models command a $1,000-$2,000 premium.

What are the main competitors, and how does it compare?

Key rivals include the Mazda CX-30 (more upscale, better driving dynamics), Subaru Crosstrek (better AWD, rougher ride), Hyundai Kona (more powerful engine options), and Nissan Kicks (FWD only, cheaper). The HR-V wins on cargo versatility and reliability but lags in power and refinement compared to newer competitors.


Final Verdict

The 2018–2022 Honda HR-V is a sensible, efficient subcompact crossover with a strong reliability record when maintained properly. It is not quick or luxurious, but it delivers low running costs, practical space, and solid resale value. Buyers who prioritize efficiency and dependability over performance will find it a smart long-term choice.

File Format

PDF

File Language

English

You'll Get

22.7 MB

Page Count

214

Instant Download

YES