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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 136 (ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER)DIAGNOSTIC TROUBLE CODE DEFINITIONS
2004 Toyota Matrix XR, FWD, Standard
Diagnostic Trouble Code Definitions
2004 Toyota Matrix XR, FWD, StandardSECTION Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2003 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC (1) | Description | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P0036 (2) | Oxygen Sensor Heater Control Circuit (B1, S2) | ||||||||||||||
| P0100 (2) | Mass Airflow Meter Circuit | ||||||||||||||
| P0101 | Mass Airflow Meter Circuit Range/Performance | ||||||||||||||
| P0110 (2) | Intake Air Temperature Sensor Circuit | ||||||||||||||
| P0115 (2) | Engine Coolant Temperature Sensor Circuit | ||||||||||||||
| P0116 | Engine Coolant Temperature Sensor Circuit Range/Performance | ||||||||||||||
| P0120 (2) | Throttle Position Sensor Circuit | ||||||||||||||
| P0121 | Throttle Position Sensor Circuit Range/Performance | ||||||||||||||
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control | ||||||||||||||
| P0128 | Thermostat Malfunction | ||||||||||||||
| P0134 (4) | Oxygen Sensor Heater Circuit (B1 S1) | ||||||||||||||
| P0135 (4) | Oxygen Sensor Heater Circuit (B1 S1) | ||||||||||||||
| P0136 | Oxygen Sensor Circuit Malfunction (B1 S2) | ||||||||||||||
| P0171 | System Too Lean | ||||||||||||||
| P0172 | System Too Rich | ||||||||||||||
| P0300 (6) | Random/Multiple Cylinder Misfire Detected | ||||||||||||||
| P0301 (6) | Cylinder No. 1 Misfire Detected | ||||||||||||||
| P0302 (6) | Cylinder No. 2 Misfire Detected | ||||||||||||||
| P0303 (6) | Cylinder No. 3 Misfire Detected | ||||||||||||||
| P0304 (6) | Cylinder No. 4 Misfire Detected | ||||||||||||||
| P0325 (2) | Knock Sensor Circuit | ||||||||||||||
| P0335 | Crankshaft Position Sensor "A" Circuit | ||||||||||||||
| P0339 (7) | Crankshaft Position Sensor "A" Circuit Intermittent | ||||||||||||||
| P0340 (2) | Camshaft Position Sensor "A" Circuit (B1 Or Single Sensor) | ||||||||||||||
| P0341 | Camshaft Position Sensor "A" Circuit Range/Performance (B1 Or Single Sensor) | ||||||||||||||
| P0351 (2) | Ignition Coil "A" - Primary/Secondary Circuit | ||||||||||||||
| P0352 (2) | Ignition Coil "B" - Primary/Secondary Circuit | ||||||||||||||
| P0353 (2) | Ignition Coil "C" - Primary/Secondary Circuit | ||||||||||||||
| P0354 (2) | Ignition Coil "D" - Primary/Secondary Circuit | ||||||||||||||
| P0401 (3) | Insufficient Exhaust Gas Recirculation Flow Detected | ||||||||||||||
| P0402 (3) | Excessive Exhaust Gas Recirculation Flow Detected | ||||||||||||||
| P0420 | Catalyst System Efficiency Below Threshold | ||||||||||||||
| P0441 | EVAP Emission Control System Incorrect Purge Flow | ||||||||||||||
| P0442 | EVAP Emission Control System Leak Detected (Small Leak) | ||||||||||||||
| P0446 | EVAP Emission Control System Vent Control Circuit | ||||||||||||||
| P0450 | EVAP Emission Control System Pressure Sensor Circuit Malfunction | ||||||||||||||
| P0451 | EVAP Emission Control System Pressure Sensor Range/Performance | ||||||||||||||
| P0456 | EVAP Emission Control System Leak Detected (Very Small Leak) | ||||||||||||||
| P0500 | Vehicle Speed Sensor "A" Circuit | ||||||||||||||
| P0505 | Idle Air Control System | ||||||||||||||
| P0511 | Idle Air Control Circuit | ||||||||||||||
| P0560 | System Voltage | ||||||||||||||
| P0617 | Starter Relay Circuit High | ||||||||||||||
| P0705 (5) | Transmission Range Sensor Circuit Malfunction (PRNDL Input) | ||||||||||||||
| P0724 (5) | Brake Switch "B" Circuit High | ||||||||||||||
| P0850 (5) | Park/Neutral Position Switch Circuit | ||||||||||||||
| P2195 (4) | Oxygen (A/F) Sensor Signal Stuck Lean (B1 S1) | ||||||||||||||
| P2196 (4) | Oxygen (A/F) Sensor Signal Stuck Rich (B1 S1) | ||||||||||||||
| P2237 (4) | Oxygen (A/F) Sensor Pumping Current Circuit Open (B1 S1) | ||||||||||||||
| P2A00 | Air/Fuel Sensor Circuit Slow Response (B1 S1) | ||||||||||||||
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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.