Manual sections
Wiring diagrams- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic Trans
- Auxiliary Emission Control Systems
- Axle Shafts
- Basic Trouble Shooting
- Body, Cab Control Systems
- Brakes
- Cabin Air Filter
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Computer Relearn
- Cooling Fan
- Cooling System (Mechanical)
- Diagnostic Connector Locations
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Entertainment Systems
- Exterior Lights
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- Heated Glass/defoggers
- Identification
- Ignition Switch/steering Lock
- Interior/illumination Lights
- Manual & Power Steering
- Manual HVAC System
- Manual Trans
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mode 6
- Oem General Information
- Pin Voltage Charts
- Removal & Installation
- Restraints
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transmission
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance
Repair manual
Testing & Diagnostics Toyota Echo I
Step-by-step instructions on "Testing & Diagnostics" for Toyota Echo I (1999–2005). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
4subsections
49articles
298illustrations
Engine Controls - Basic Diagnostic Procedures - 4-CYLINDER
3 articlesEngine Control System Self-Diagnostics
40 articles- Engine Control System Self-Diagnostics: Overview
- Engine Control System Self-Diagnostics: Diagnosis 12
- Engine Control System Self-Diagnostics: Component Locations 1
- Engine Control System Self-Diagnostics: Other 1
- DTC P0100: MASS AIRFLOW METER CIRCUIT
- DTC P0101: MASS AIRFLOW METER CIRCUIT RANGE/PERFORMANCE
- DTC P0110: INTAKE AIR TEMPERATURE SENSOR CIRCUIT
- DTC P0115: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT
- DTC P0116: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P0120: THROTTLE POSITION SENSOR CIRCUIT
- DTC P0125: INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
- DTC P0130: HEATED OXYGEN SENSOR NO. 1 CIRCUIT
- DTC P0133: HEATED OXYGEN SENSOR NO. 1 CIRCUIT SLOW RESPONSE
- DTC P0135: HEATED OXYGEN SENSOR NO. 1 HEATER CIRCUIT
- DTC P0136: HEATED OXYGEN SENSOR NO. 2 CIRCUIT
- DTC P0141: HEATED OXYGEN SENSOR NO. 2 HEATER CIRCUIT
- DTC P0171 OR DTC P0172: SYSTEM TOO LEAN/RICH
- DTC P0300: RANDOM MISFIRE DETECTED
- DTC P0301: CYLINDER NO. 1 MISFIRE DETECTED, DTC P0302: CYLINDER NO. 2 MISFIRE DETECTED, DTC P0303: CYLINDER NO. 3 MISFIRE DETECTED &/OR DTC P0304: CYLINDER NO. 4 MISFIRE DETECTED
- DTC P0325: KNOCK SENSOR CIRCUIT
- DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT
- DTC P0340: CAMSHAFT POSITION SENSOR CIRCUIT
- DTC P0420: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0440: EVAPORATIVE EMISSION CONTROL SYSTEM
- DTC P0441: INCORRECT EVAP PURGE FLOW OR DTC P0446: EVAP VENT CONTROL CIRCUIT
- DTC P0450: EVAP PRESSURE SENSOR CIRCUIT OR DTC P0451: EVAP PRESSURE SENSOR RANGE/PERFORMANCE
- DTC P0500: VEHICLE SPEED SENSOR CIRCUIT
- DTC P0505: IDLE AIR CONTROL SYSTEM CIRCUIT
- DTC P0550: POWER STEERING OIL PRESSURE SENSOR CIRCUIT MALFUNCTION
- DTC P1300: IGNITOR NO. 1 CIRCUIT
- DTC P1305: IGNITOR NO. 2 CIRCUIT
- DTC P1310: IGNITOR NO. 3 CIRCUIT
- DTC P1315: IGNITOR NO. 4 CIRCUIT
- DTC P1345: VVT/CAMSHAFT POSITION SENSOR CIRCUIT MALFUNCTION
- DTC P1346: VARIABLE VALVE TIMING SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P1349: VARIABLE VALVE TIMING SYSTEM MALFUNCTION
- DTC P1520: STOPLIGHT SWITCH SIGNAL CIRCUIT (A/T ONLY)
- DTC P1600: ECM BATT CIRCUIT
- DTC P1656: OIL CONTROL VALVE MALFUNCTION
- DTC P1780: PARK/NEUTRAL POSITION SWITCH CIRCUIT