2021–2022 Honda City Wiring Diagram | OEM Electrical Workshop Manual PDF
This is the original OEM Wiring Diagram Manual for the 2021–2022 Honda City, provided in a convenient PDF format. It includes electrical schematics and system layouts, ensuring precise diagnostics, troubleshooting, and repairs for your Honda City.
| File Format |
PDF |
| File Language |
English |
| You’ll Get |
17.9 MB |
| Pages Count |
151 |
| Delivery Method |
Instant Download |
| Searchable & Printable |
YES |
Get the same professional-grade resource used by Honda dealerships to service and repair your 2021–2022 Honda City. Download your PDF instantly and work with confidence.
Key Features:
- Model Coverage: 2021, 2022 Honda City (latest generation)
- Format: Fully searchable and printable PDF
- Includes:
- Comprehensive wiring diagrams for all major systems
- Power distribution and ground circuits
- Engine Control Module (ECM) and sensor wiring
- Lighting, HVAC, infotainment, and safety systems
- Fuse and relay panel layouts
- Connector pinouts and splice locations
Why Choose This Manual?
- ✔️ Official OEM information direct from Honda
- ✔️ Trusted by dealership technicians worldwide
- ✔️ Provides accurate and detailed schematics
- ✔️ Perfect for both professional workshops and DIY owners
This manual provides detailed instructions for maintenance, disassembly, reassembly, component inspection, adjustment, and diagnostics—intended for use by experienced mechanics. Proper application of this guide will help ensure thorough repairs and maintain your vehicle in peak condition.
Important Note: Before purchasing this manual, please check whether your vehicle is subject to any active service recalls, as authorized dealerships may perform necessary repairs free of charge. When replacing parts, always use genuine OEM components to ensure safety, reliability, and long-term performance.
Table of Contents : 2021-2022 Honda City Wiring Diagram
- Audio
- Body
- Brakes
- Component location
- Engine
- Fuel
- Fuse list
- Ground
- HVAC
- Junction system
- Restraints
- Steering
- Transmission
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.
🚗 2021–2022 Honda City – Full Vehicle Overview, Issues, DTCs & Maintenance Guide
The fifth-generation Honda City (2021–2022) is a globally popular compact sedan known for its reliability, efficiency, and practicality. Offered with petrol and diesel engines (varies by region), the City is a benchmark in the subcompact sedan class, delivering spacious interiors, strong fuel economy, and Honda’s renowned engineering quality.
⚙️ Technical Specifications & Performance
- Engine Options: 1.5L i-VTEC petrol (121 hp), 1.5L i-DTEC diesel (100 hp)
- Transmission: 6-speed manual, CVT automatic
- Drivetrain: Front-wheel drive (FWD)
- 0–100 km/h: ~10.0–11.5 sec
- Fuel Efficiency: Petrol: 17–18 km/l, Diesel: 23–24 km/l
- Dimensions: Length 4,549 mm, Width 1,748 mm, Height 1,489 mm
- Boot Capacity: 506L
🔧 Top 10 Common Mechanical Issues (Root Cause & Fix)
- Clutch wear in manual variants
– Root Cause: Frequent stop-go driving.
– Fix: Replace clutch kit with OEM or heavy-duty version.
- CVT judder
– Root Cause: Transmission fluid degradation.
– Fix: Perform CVT fluid change and software update.
- Engine knocking noise
– Root Cause: Low-quality fuel deposits.
– Fix: Use higher-octane fuel and clean intake valves.
- Steering vibration at high speeds
– Root Cause: Wheel imbalance or alignment.
– Fix: Wheel balancing and alignment.
- Suspension thuds
– Root Cause: Worn bushings.
– Fix: Replace suspension bushings.
- Excessive brake pad wear
– Root Cause: Soft compound pads.
– Fix: Upgrade to longer-lasting pads.
- Diesel engine turbo lag
– Root Cause: Small turbocharger spooling delay.
– Fix: ECU remap or upgrade turbo system.
- Air conditioning not cooling efficiently
– Root Cause: Weak compressor.
– Fix: Replace AC compressor.
- Water pump failure
– Root Cause: Seal wear.
– Fix: Replace water pump assembly.
- Exhaust rattle
– Root Cause: Loose heat shield.
– Fix: Secure or replace heat shield.
💡 Top 10 Common Electrical Issues (Root Cause & Fix)
- Infotainment system lag
– Root Cause: Software bugs.
– Fix: Update firmware.
- Power window malfunction
– Root Cause: Weak motor.
– Fix: Replace window regulator.
- Airbag warning light
– Root Cause: Loose connectors.
– Fix: Secure wiring under seats.
- Bluetooth connectivity drops
– Root Cause: Outdated software.
– Fix: Update infotainment software.
- Reverse camera flicker
– Root Cause: Wiring harness issue.
– Fix: Replace/repair harness.
- Battery drain
– Root Cause: Parasitic draw from modules.
– Fix: Diagnose with ammeter and replace faulty module.
- Central locking failure
– Root Cause: Faulty actuators.
– Fix: Replace actuators.
- Headlight fogging
– Root Cause: Poor sealing.
– Fix: Replace headlamp assembly.
- Instrument cluster glitch
– Root Cause: BCM communication error.
– Fix: Scan and reset BCM.
- Keyless entry not working
– Root Cause: Weak fob battery.
– Fix: Replace battery and reprogram fob.
📊 Pros & Cons Comparison with Competitors
| Model |
Pros 👍 |
Cons 👎 |
| Honda City |
Spacious cabin; Excellent fuel economy; Reliable powertrains; High resale value |
CVT not sporty; Road noise; Expensive top trims |
| Toyota Corolla |
Legendary reliability; Comfortable ride |
Conservative styling; Higher cost |
| Hyundai Verna |
Modern features; Turbo engine option |
Rear seat space smaller than City |
| Skoda Rapid |
Solid build quality; Strong TSI engines |
Higher maintenance costs |
| Volkswagen Vento |
German handling feel; Durable engines |
After-sales service inconsistent |
| Maruti Ciaz |
Value for money; Excellent mileage |
Less powerful engine; Basic features |
– Maintenance Schedule
| Interval ⏱️ |
Maintenance Task 🔧 |
| Every 10,000 km / 6 months |
Engine oil & filter replacement |
| Every 20,000 km |
Air filter replacement, brake inspection |
| Every 30,000 km |
Cabin filter replacement |
| Every 40,000 km |
Fuel filter replacement (diesel) |
| Every 60,000 km |
Spark plugs replacement (petrol), coolant replacement |
| Every 80,000 km |
Transmission fluid replacement |
| Every 100,000 km |
Inspect suspension & steering components |
⚠️ Recalls, Advisories & Safety Alerts
- Fuel pump recall (2021): Faulty low-pressure fuel pump could cause stalling.
- Airbag inflator recall (Takata-related, 2021): Risk of inflator rupture during deployment.
- Brake master cylinder issue (2021): Reduced braking efficiency reported in some units.
- Steering column rattle (2021): Loose intermediate shaft bolts.
- Instrument cluster blackout (2022): Software glitch caused temporary failure.
- Rear seat belt retractor fault (2021): Belt did not retract properly under impact.
- AC compressor premature failure (2022): Faulty internal valves.
- Child seat anchor weld defect (2021): Reduced strength under crash load.
- Engine ECU calibration (2022): Incorrect mapping caused rough idle.
- Side airbag sensor fault (2021): False triggers detected.
🧾 Diagnostic Trouble Codes (DTC) Tables
Engine Control Module (ECM)
| Code |
Description |
| P0300 |
Random Misfire Detected |
| P0171 |
System Too Lean |
| P0113 |
Intake Air Temperature High |
| P0420 |
Catalyst System Efficiency Below Threshold |
| P0507 |
Idle RPM Higher Than Expected |
| P0562 |
System Voltage Low |
| P2196 |
O2 Sensor Signal Stuck Rich |
| P0456 |
EVAP System Small Leak |
| P1607 |
ECU Internal Circuit Malfunction |
| P2610 |
ECM/PCM Internal Engine Off Timer |
Transmission Control Module (TCM)
| Code |
Description |
| P0700 |
Transmission Control System Malfunction |
| P0730 |
Incorrect Gear Ratio |
| P0740 |
TCC Circuit Malfunction |
| P0766 |
Shift Solenoid D Performance |
| P0841 |
Transmission Fluid Pressure Sensor |
| P2714 |
Pressure Control Solenoid D Stuck Off |
| P2763 |
Turbine Speed Sensor High |
| P178F |
Clutch Adaptation Limit Reached |
| P189C |
Gear Selector Implausible Signal |
| P17BF |
Hydraulic Pressure Loss |
ABS / ESC System
| Code |
Description |
| C0035 |
Front Left Wheel Speed Sensor |
| C0040 |
Front Right Wheel Speed Sensor |
| C0057 |
Brake Pressure Sensor Performance |
| C0073 |
Brake Pedal Switch Circuit |
| C102D |
ABS Hydraulic Pump Performance |
| C1112 |
Yaw Rate Sensor Malfunction |
| C121C |
Torque Request Signal Denied |
| C1403 |
Brake Booster Pressure Sensor |
| C10AC |
Acceleration Sensor Failure |
| C1234 |
Steering Angle Sensor Not Initialized |
SRS Airbag System
| Code |
Description |
| B1000 |
Airbag Control Module Fault |
| B1016 |
Driver Airbag Circuit Open |
| B1020 |
Passenger Airbag Circuit Short |
| B140F |
Seat Belt Tensioner Fault |
| B1053 |
Side Airbag Deployment Fault |
| B1101 |
Airbag Sensor Low Voltage |
| B1209 |
Occupant Classification Fault |
| B1302 |
Crash Sensor Supply Circuit |
| B1352 |
Crash Event Storage Full |
| B108A |
Seat Position Sensor Fault |
Body Control / CAN Communication
| Code |
Description |
| U0100 |
Lost Communication with ECM |
| U0140 |
Lost Communication with BCM |
| U0121 |
Lost Communication with ABS Module |
| U0155 |
Lost Communication with Instrument Cluster |
| U1110 |
CAN Bus Off |
| U1008 |
Lost Communication with Steering Control |
| U1403 |
Invalid Data from Climate Control |
| U113E |
Lost Communication with Park Assist |
| U1123 |
Lost Communication with TPMS |
| U0415 |
Invalid Data from ABS |
✅ Final Verdict & Conclusion
The 2021–2022 Honda City continues its legacy as one of the most reliable and practical sedans in its segment. With spacious interiors, excellent fuel economy, and a refined driving experience, it appeals strongly to families and professionals. While the CVT may not excite enthusiasts and some features are limited to top trims, the City remains a top choice in the compact sedan class, balancing value, comfort, and dependability.
