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 521 (AUTOMATIC TRANSMISSION SHIFT CONTROL SYSTEM - DIAGNOSIS)DIAGNOSTIC TROUBLE CODE CHART
2004 Toyota Matrix XR, FWD, Standard
Diagnostic Trouble Code Chart
2004 Toyota Matrix XR, FWD, StandardSECTION Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
If a trouble code is displayed during the DTC check, check the circuit listed for that code in the table below and proceed to the appropriate page.
HINT:
- When the DTC C2300, C2301, C2304, C2305, C2306, C2307, C2311, and C2312 are detected, DTC P3102 indicating the shift control system (parking lock control) malfunctions are detected for the hybrid system as well. Because of this, the hybrid system DTCs must be cleared after clearing the shift control system (parking lock control) DTCs.
- Remove the P CON MAIN fuse to erase DTCs C2300, C2301, C2303, C2304, C2305, C2306, and C2307 because they cannot be erased with the hand-held tester (see DTC CHECK/CLEAR DTC CHECK/CLEAR ).
- When a DTC is detected, the master caution light comes on and an error message is indicated on the multi-display.
- The indicator blinks quickly when it takes long to switch between the P position status and the P position release status.
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC C2300 | ACT SYSTEM MALFUNCTION |
| DTC C2301 | SHIFT CHANGING TIME MALFUNCTION |
| DTC C2303 | RELAY MALFUNCTION (+B SHORT) |
| DTC C2304 | OPEN OR SHORT CIRCUIT IN U PHASE |
| DTC C2305 | OPEN OR SHORT CIRCUIT IN V PHASE |
| DTC C2306 | OPEN OR SHORT CIRCUIT IN W PHASE |
| DTC C2307 | POWER SOURCE MALFUNCTION |
| DTC C2310 | OPEN OR SHORT CIRCUIT IN BATT |
| DTC C2311 | HV COMMUNICATION LINE MALFUNCTION |
| DTC C2312 | POWER SOURCE CONTROL ECU COMMUNICATION LINE MALFUNCTION |
| DTC C2315 | HV SYSTEM MALFUNCTION |
| DTC C2318 | LOW VOLTAGE ERROR (POWER SUPPLY 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.