Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2003CIVIC HX, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (ELECTRICAL POWER STEERING SYSTEM (HATCHBACK))
2003 Honda Civic HX, Standard
Section 5 (Electrical Power Steering System (Hatchback))
2003 Honda Civic HX, StandardSECTION Section 5 (Electrical Power Steering System (Hatchback))
WARNING: This page is about a different variant/trim than selected.
- Special Tools
- Component Location Index
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Circuit Diagram
- DTC Troubleshooting
- DTC 12: Torque Sensor T/SIG
- DTC 16: Torque Sensor VT3 and VT6
- DTC 17: Torque Sensor Vcc1, DTC 18: Torque Sensor Vcc2
- DTC 22: Vehicle Speed Sensor Signal, DTC 23: Engine Speed Signal Circuit
- DTC 37: EPS Control Unit Internal Circuit (Input Circuit for Motor Voltage)
- DTC 41: Voltage for Motor
- DTC 42, 45: Motor Driven Current
- DTC 43: Motor Driven Current is Excessively High
- DTC 47: EPS Control Unit Internal Circuit (Motor Relay)
- DTC 50: EPS Control Unit Internal Circuit (CPU or Microcomputer)
- DTC 51: EPS Control Unit Internal Circuit (EEPROM)
- DTC 62: EPS Control Unit Internal Circuit (Fail-safe Relay Stuck ON)
- DTC 64: Battery Voltage is Excessively Low (Fail-safe Relay Contact Failure and Motor Voltage Fall Off)
- DTC 66, 68: EPS Control Unit Internal Circuit
- DTC 67: Torque Sensor I/F Circuit
- DTC 69: EPS Control Unit Internal Circuit
- EPS Indicator Circuit Troubleshooting
- Motor Removal and Installation
- Steering Gearbox Removal
- Steering Gearbox Overhaul
- Steering Gearbox Installation
- EPS Control Unit Removal/Installation
- Tie-rod Ball Joint Boot Replacement
- Steering Gearbox Mount Bushing Replacement
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.