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.
2002 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System
- Description
- Operation
- Service Precautions
- Bleeding Brake System
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- DTCS C0200/ 31, C0205/ 32, C0210/ 33, C0215/ 34: Speed Sensor Circuit
- DTCS C0226/ 21, C0236/ 22, C0246/ 23, C1217/ 25, C1218/ 26 & C1219/ 27
- DTCS C0278/ 11 & C0279/ 12: Abs Solenoid Relay
- DTC C1202/ 58: Brake Fluid Warning Switch Circuit
- DTCS C1211/ 61 & C1212/ 62: Linear Solenoid Circuit
- DTC C1213/ 63: HV Ecu Communication Circuit Malfunction
- DTC C1214/ 64: Hydraulic System Malfunction
- DTCS C1215/ 15 & C1216/ 16: Linear Solenoid Positive Voltage Malfunction
- DTCS C1220, C1221, C1222 & C1246/ 46: Hydraulic Pressure Sensor Circuits
- DTC C1241/ 41: IG Power Source Circuit
- DTC C1242/ 42: IG2 Power Source Circuit
- DTC C1249/ 49: Stop Light Switch Circuit
- DTC C1251/ 51: Abs Pump Motor Lock
- DTC C1252/ 52: Hydraulic Brake Booster Pump Motor
- DTC C1253/ 53: Hydro Motor Relay Circuit
- DTC C1254/ 54: Pressure Switch Circuit
- DTC C1256/ 56: Accumulator Low Pressure Malfunction
- DTC C1257/ 57: Power Supply Drive Circuit
- DTC C1259/ 59: Malfunction In HV Ecu
- DTCS C1271/ 71, C1272/ 72, C1273/ 73 & C1274/ 74: Low Output Voltage From Speed Sensor
- DTCS C1275/ 75, C1276/ 76, C1277/ 77 & C1278/ 78: Abnormal Change In Speed Sensors
- System Tests
- Component Tests
- Removal & Installation
- Abs Ecu Pin Voltages
- Torque Specifications
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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