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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 623 (AIR CONDITIONING SYSTEM - DIAGNOSTICS)DIAGNOSTIC TROUBLE CODE TABLE
2004 Toyota Matrix XR, FWD, Standard
Diagnostic Trouble Code Table
2004 Toyota Matrix XR, FWD, StandardSECTION Diagnostic Trouble Code Table
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
If malfunction code is displayed during the DTC check (sensor check), check the circuit listed for that code in the table below (Proceed to the page given for that circuit).
HINT:
- *1 : If the room temp. is approx. -18.6°C (-3.7°F) or lower, trouble code 11 may be displayed even though the system is normal.
- *2 : If the check is being performed in a dark place, DTC 21 (solar sensor circuit abnormal) may be displayed even though the system is normal.
- *3
: Compressor lock (DTC 22) is indicated only for a current occurring malfunction (See
DTC 22 COMPRESSOR LOCK SENSOR CIRCUIT ).
To confirm DTC 22, perform the following steps.
- With the engine ON, enter the DTC check mode.
- Press the F/R switch to enter actuator check mode, and set the operation to Step No. 3.
- Press the AUTO switch to return to DTC check mode.
- The DTC is displayed after approx. 3 seconds.
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC 11 | ROOM TEMPERATURE SENSOR CIRCUIT |
| DTC 12 | AMBIENT TEMPERATURE SENSOR CIRCUIT |
| DTC 13 | EVAPORATOR TEMPERATURE SENSOR CIRCUIT |
| DTC 14 | ENGINE COOLANT TEMPERATURE COMMUNICATION CIRCUIT |
| DTC 21 | SOLAR SENSOR CIRCUIT (PASSENGER SIDE) |
| DTC 22 | COMPRESSOR LOCK SENSOR CIRCUIT |
| DTC 23 | PRESSURE SWITCH CIRCUIT |
| DTC 31 | AIR MIX DAMPER POSITION SENSOR CIRCUIT (PASSENGER SIDE) |
| DTC 32 | AIR INLET DAMPER POSITION SENSOR CIRCUIT |
| DTC 33 | AIR OUTLET DAMPER POSITION SENSOR CIRCUIT |
| DTC 41 | AIR MIX DAMPER CONTROL SERVOMOTOR CIRCUIT (PASSENGER SIDE) |
| DTC 42 | AIR INLET DAMPER CONTROL SERVOMOTOR CIRCUIT |
| DTC 43 | AIR OUTLET DAMPER CONTROL SERVOMOTOR CIRCUIT |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.