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.
2000 Toyota ECHO 2D Sedan, StandardFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC (1) | Description | ||||||
|---|---|---|---|---|---|---|---|
| P0100 (2) | Mass Airflow (MAF) Meter Circuit | ||||||
| P0101 | Mass Airflow (MAF) Meter Circuit Range/Performance | ||||||
| P0110 (2) | Intake Air Temperature (IAT) Sensor Circuit | ||||||
| P0115 (2) | Engine Coolant Temperature (ECT) Sensor Circuit | ||||||
| P0116 | Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance | ||||||
| P0120 (2) | Throttle Position (TP) Sensor Circuit | ||||||
| P0121 | Throttle Position (TP) Sensor Circuit Range/Performance | ||||||
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control | ||||||
| P0130 | Heated Oxygen Sensor No. 1 Circuit | ||||||
| P0133 | Heated Oxygen Sensor No. 1 Circuit Slow Response | ||||||
| P0135 (2) | Heated Oxygen Sensor No. 1 Heater Circuit | ||||||
| P0136 | Heated Oxygen Sensor No. 2 Circuit | ||||||
| P0141 (2) | Heated Oxygen Sensor No. 2 Heater Circuit | ||||||
| P0171 | System Too Lean | ||||||
| P0172 | System Too Rich | ||||||
| P0300 | Random Misfire Detected | ||||||
| P0301 | Cylinder No. 1 Misfire Detected | ||||||
| P0302 | Cylinder No. 2 Misfire Detected | ||||||
| P0303 | Cylinder No. 3 Misfire Detected | ||||||
| P0304 | Cylinder No. 4 Misfire Detected | ||||||
| P0325 (2) | Knock Sensor Circuit | ||||||
| P0335 | Crankshaft Position (CKP) Sensor Circuit | ||||||
| P0340 | Camshaft Position (CMP) Sensor Circuit | ||||||
| P0420 | Catalyst System Efficiency Below Threshold | ||||||
| P0440 | Evaporative Emission Control System | ||||||
| P0441 | Incorrect EVAP Purge Flow | ||||||
| P0446 | EVAP Vent Control Circuit | ||||||
| P0450 | EVAP Pressure Sensor Circuit | ||||||
| P0451 | EVAP Pressure Sensor Range/Performance | ||||||
| P0500 | Vehicle Speed Sensor Circuit | ||||||
| P0505 | Idle Air Control (IAC) System Circuit | ||||||
| P0550 | Power Steering Oil Pressure Sensor Circuit Malfunction | ||||||
| P0710 (3) | Transmission Fluid Temperature Sensor Malfunction | ||||||
| P0750 (3) | Shift Solenoid Valve SL1 Malfunction | ||||||
| P0753 (3) | Shift Solenoid Valve SL1 Electrical Malfunction | ||||||
| P0755 (3) | Shift Solenoid Valve SL2 Malfunction | ||||||
| P0758 (3) | Shift Solenoid Valve SL2 Electrical Malfunction | ||||||
| P0770 (3) | Lock-Up Solenoid Malfunction | ||||||
| P0773 (3) | Lock-Up Solenoid Circuit Electrical Malfunction | ||||||
| P1300 (2) | Ignitor No. 1 Circuit | ||||||
| P1305 (2) | Ignitor No. 2 Circuit | ||||||
| P1310 (2) | Ignitor No. 3 Circuit | ||||||
| P1315 (2) | Ignitor No. 4 Circuit | ||||||
| P1345 | VVT/Camshaft Position Sensor Circuit Malfunction | ||||||
| P1346 | Variable Valve Timing (VVT) Sensor Circuit Range/Performance | ||||||
| P1349 | Variable Valve Timing (VVT) System Malfunction | ||||||
| P1520 | Stoplight Switch Signal Circuit (A/T) | ||||||
| P1600 | ECM BATT Circuit | ||||||
| P1656 | Oil Control Valve (OCV) Malfunction | ||||||
| P1725 (3) | Input Turbine Speed Sensor Circuit Malfunction | ||||||
| P1760 (3) | Shift Solenoid Valve SLT Malfunction | ||||||
| P1790 (3) | ST Solenoid Valve Circuit Malfunction | ||||||
| P1780 | Park/Neutral Position (PNP) Switch Circuit | ||||||
|
|||||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.