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 79 (ENGINE CONTROLS - SELF-DIAGNOSTICS)SELF-DIAGNOSTIC SYSTEMRETRIEVING DIAGNOSTIC TROUBLE CODESNORMAL MODE CODE RETRIEVAL
2004 Toyota Matrix XR, FWD, Standard
NORMAL Mode Code Retrieval
2004 Toyota Matrix XR, FWD, StandardSECTION NORMAL Mode Code Retrieval
WARNING: This page is about a different car, the 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- Connect scan tool to Data Link Connector (DLC) No. 3. See Figure. DLC No. 3 is located under left side of instrument panel. Turn ignition on with engine off. Turn scan tool on. Using scan tool manufacturer's instructions, check for DTCs and freeze-frame data.
- If scan tool displays UNABLE TO CONNECT TO VEHICLE, DLC No. 3 must be checked. See DLC NO. 3 INSPECTION under SCAN TOOL PROBLEMS. If scan tool does not display UNABLE TO CONNECT TO VEHICLE, go to next step.
- Record any DTCs and freeze-frame data displayed for system diagnosis. If driveability problem exists and no DTCs are present, go to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.
- If any DTCs are present, perform appropriate diagnostic test in DIAGNOSTIC TESTS . See DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table. For more information on freeze-frame data, see FREEZE-FRAME DATA under INTRODUCTION. For information on 2-trip detection logic codes, see TWO-TRIP DETECTION LOGIC under INTRODUCTION.
- After repairs for DTC have been completed, DTCs must be cleared from ECM memory. See CLEARING DIAGNOSTIC TROUBLE CODES .
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC (1) | Description | ||||||
|---|---|---|---|---|---|---|---|
| P0100 | Mass Airflow (MAF) Sensor Circuit | ||||||
| P0101 | Mass Airflow (MAF) Sensor Circuit Range/Performance Fault | ||||||
| P0110 | Intake Air Temperature (IAT) Sensor Circuit | ||||||
| P0115 | Engine Coolant Temperature (ECT) Circuit | ||||||
| P0116 | Engine Coolant Temperature (ECT) Circuit Range/Performance Fault | ||||||
| P0120 | Throttle (TP)/Pedal Position Sensor "A" Circuit Malfunction | ||||||
| P0121 | Throttle (TP)/Pedal Position Sensor "A" Circuit Range/Performance Fault | ||||||
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control | ||||||
| P0128 | Thermostat Malfunction | ||||||
| P0130 OR P0150 | Heated Oxygen Sensor Circuit Malfunction (Bank No. 1 & 2 Sensor No. 1) | ||||||
| P0133 OR P0153 | Heated Oxygen Sensor Circuit Slow Response (Bank No. 1 & 2 Sensor No. 1) | ||||||
| P0135 OR P0155 | Heated Oxygen Sensor Heater Circuit (Bank No. 1 & 2 Sensor No. 1) | ||||||
| P0136 OR P0156 | Heated Oxygen Sensor Circuit Malfunction (Bank No. 1 & 2 Sensor No. 2) | ||||||
| P0141 OR P0161 | Heated Oxygen Sensor Heater Circuit (Bank No. 1 & 2 Sensor No. 2) | ||||||
| P0171 OR P0172 | System Too Lean/Rich (Bank No. 1) | ||||||
| P0174 OR P0175 | System Too Lean/Rich (Bank No. 2) | ||||||
| P0300 | Random Multiple Cylinder Misfire Detected | ||||||
| P0301, P0302, P0303, P0304, P0305, P0306, P0307 OR P0308 | Cylinders No. 1-8 Misfire Detected | ||||||
| P0325 OR P0330 | Knock Sensor Circuit Malfunction (Bank No. 1 & 2) | ||||||
| P0335 | Crankshaft Position (CKP) Sensor "A" Circuit Malfunction | ||||||
| P0340 | Camshaft Position (CMP) Sensor Circuit Malfunction | ||||||
| P0420 OR P0430 | Catalyst System Efficiency Below Threshold (Bank No. 1 & 2) | ||||||
| P0440 | EVAP System Malfunction | ||||||
| P0441 | Incorrect EVAP System Purge Flow | ||||||
| P0446 | EVAP System Vent Control Fault | ||||||
| P0450 | EVAP System Pressure Sensor Malfunction | ||||||
| P0451 | EVAP System Pressure Sensor Range/Performance Fault | ||||||
| P0500 | Vehicle Speed Sensor (VSS) Malfunction | ||||||
| P0505 | Idle Control System Malfunction | ||||||
| P0710(2) | Transmission Fluid Temperature Sensor Fault | ||||||
| P0711(2) | Transmission Fluid Temperature Sensor Circuit Range/Performance Fault | ||||||
| P0715(2) | Turbine Speed Sensor Fault | ||||||
| P0750(2) | Shift Solenoid Valve No. 1 Fault | ||||||
| P0753(2) | Shift Solenoid Valve No. 1 Electrical Fault | ||||||
| P0755(2) | Shift Solenoid Valve No. 2 Fault | ||||||
| P0758(2) | Shift Solenoid Valve No. 2 Electrical Fault | ||||||
| P0760(2) | Shift Solenoid Valve No. 3 Fault | ||||||
| P0763(2) | Shift Solenoid Valve No. 3 Electrical Fault | ||||||
| P0768(2) | Shift Solenoid Valve No. 4 Electrical Fault | ||||||
| P0770(2) | Lock-Up Solenoid Fault | ||||||
| P1120 | Accelerator Pedal Position Sensor Circuit Malfunction | ||||||
| P1121 | Accelerator Pedal Position Sensor Circuit Malfunction | ||||||
| P1125 | Throttle Control Motor Circuit Malfunction | ||||||
| P1127 | Electronic Throttle Control System (ETCS) Actuator Power Source Circuit Malfunction | ||||||
| P1128 | Throttle Control Motor Lock Malfunction | ||||||
| P1129 | Electronic Throttle Control System (ETCS) Malfunction | ||||||
| P1200 | Fuel Pump Relay/ECU Circuit Malfunction | ||||||
| P1300, P1305, P1310, P1315, P1320, P1325, P1330 & P1340 | Ignitor Circuit Malfunction No. 1-8 | ||||||
| P1335 | Crankshaft Position (CKP) Sensor | ||||||
| P1345 OR P1350 | Variable Valve Timing (VVT) Sensor Circuit Malfunction | ||||||
| P1346 OR P1351 | Variable Valve Timing (VVT) Circuit Range/Performance Fault | ||||||
| P1349 OR P1354 | Variable Valve Timing (VVT) System Malfunction | ||||||
| P1520 | Stoplight Switch Signal Malfunction | ||||||
| P1600 | ECM Batt Malfunction | ||||||
| P1633 | ECM Malfunction | ||||||
| P1645 | Body ECU Malfunction | ||||||
| P1656 OR P1663 | Oil Control Valve (OCV) Circuit Malfunction | ||||||
| P1755(2) | Shift Solenoid Valve SLU Fault | ||||||
| P1760(2) | Shift Solenoid Valve SLT Fault | ||||||
| P1765(2) | Shift Solenoid Valve SLN Fault | ||||||
| P1780 | Park/Neutral Position Switch Malfunction | ||||||
| B2798(3) | Immobilizer System Malfunction | ||||||
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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.