2020 Honda HR-V Service and Repair Manual

Engine and Drivetrain

• 1.8L Inline 4-Cylinder SOHC i-VTEC Engine: Complete mechanical repair, teardown, and assembly procedures for the 141-horsepower R18Z9/L18A9 power plant.
• PGM-FI (Programmed Fuel Injection): Comprehensive fuel delivery testing, multi-point fuel injection pressure diagnostics, and Drive-by-Wire throttle system calibrations.
• Continuously Variable Transmission (CVT): Detailed valve body overhaul, fluid drainage and refilling protocols with Honda HCF-2 fluid, and G-Design Shift control mapping workflows.
• Real Time AWD with Intelligent Control System: Dual-pump rear differential service adjustments, transfer case inspections, and electronic torque distribution diagnostics.
• Drivetrain Components: Half-shafts, front and rear hub assemblies, constant velocity axle replacement, and differential seal repairs.

Chassis and Suspension

• Front Suspension: Detailed repair maps for the MacPherson strut assemblies, lower control arms, and front stabilizer bar linkages.
• Rear Suspension: Component specifications and removal steps for the torsion-beam rear suspension on 2WD layouts or the specialized De-Deion rear suspension configuration unique to AWD models.
• Electric Power Steering (EPS): Motion-adaptive electric power rack-and-pinion steering adjustments, torque sensor troubleshooting, and software steering calibration tracking.
• Wheel Alignment: Precise front toe and rear suspension alignment adjustment specifications optimized for standard 16-inch, LX 17-inch, or available Sport 18-inch alloy wheel variants.

Braking Systems

• Anti-Lock Braking System (ABS): Module testing, hydraulic actuator bleeding, and wheel speed sensor cleaning loops.
• Vehicle Stability Assist (VSA): Integrated VSA control module wiring, yaw rate sensor diagnostics, and active traction control troubleshooting.
• Brake Components: Front ventilated brake discs, rear solid brake discs, caliper rebuild configurations, and electronic parking brake integration with automatic brake hold functions.
• Hill Start Assist: Troubleshooting workflows for the hydraulic brake booster valves and electronic hill start sensor parameters.

Electrical and Wiring

• EWD Library: Complete, high-resolution factory color electrical wiring diagrams.
• Power Distribution: Main under-hood and cabin interior fuse box schematics, wiring harnesses, and relay positions.
• Body Control Module (BCM): Smart Entry and Push Button Start wiring layouts, remote engine start logic, and power windows multiplex programming.
• ECON System Integration: Troubleshooting logic for the dashboard-mounted ECON button circuit paths regulating engine performance parameters and HVAC workloads.

Air Conditioning and HVAC

• Automatic Climate Control System: Cabin filtration system layouts, electric air mix motors, and single-zone blower motor resistor diagnostics.
• Refrigerant Specs: Detailed R-134a charging limits, compressor oil flushing parameters, and low/high pressure testing specifications.

Body and Interior

• Honda Sensing ADAS Array: Front camera calibration paths, lane keeping assist configurations, road departure mitigation routing, and adaptive cruise control sensor alignment (standard on EX trims and higher for 2020).
• Supplemental Restraint System (SRS): Airbag deployment parameters, impact sensor testing, and dual-stage front airbag diagnostic checks.
• Magic Seat Infrastructure: Disassembly and installation guides for the 60/40 split 2nd-row Magic Seat hinge mechanisms and locking brackets.
• Infotainment and Connectivity: Wiring diagrams for the 7-inch Display Audio system, wired Apple CarPlay, wired Android Auto, and Honda LaneWatch passenger-side mirror camera circuitry.

Diagnostics and Troubleshooting

• DTC Lookups: Step-by-step diagnostic flowcharts mapping symptom to mechanical cause.
• Honda Diagnostic System (HDS): Scan tool connectivity pathways, bidirectional parameter tests, and data freeze frame capture routines.

Common Error Codes Covered

Engine System Codes

• P0171: Fuel System Too Lean (Air/fuel ratio monitoring and vacuum leak isolation).
• P0300: Random/Multiple Cylinder Misfire Detected (Ignition coil and spark plug isolation).
• P0128: Cooling System Malfunction (Engine coolant thermostat diagnostics).
• P1253: Malfunction in VTEC System (VTEC solenoid spool valve circuit check).

Transmission Codes

• P0705: Transmission Range Sensor Circuit Malfunction (CVT gear selector signal fault).
• P0840: Transmission Fluid Pressure Sensor/Switch ‘A’ Circuit.
• P2714: Pressure Control Solenoid ‘D’ Performance or Stuck Off.

ABS and VSA Chassis Codes

• 81-01: Central Processing Unit (CPU) Internal Error (VSA/ABS Module).
• 22-01: Left Rear Wheel Speed Sensor Circuit Malfunction.
• 61-01: Battery Voltage Low (Common vehicle stability system trigger).

Network Communication Codes

• U0100: Lost Communication with ECM/PCM.
• U0104: Lost Communication with Cruise Control Module (Adaptive cruise control sensor failure code).

Body Control Codes

• B1000: Interior Multiplex Control Unit Internal Error.
• B1241: A/C Climate Control Electric Air Mix Motor Circuit Malfunction.

And thousands of additional diagnostic codes, test procedures, wiring diagrams, and repair instructions.

• Professional automotive workshops
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• Automotive technicians
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