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 536 (AIR CONDITIONING SYSTEM)REAR COOLING UNITINSPECTION
2004 Toyota Matrix XR, FWD, Standard
Rear Cooling Unit: Inspection
2004 Toyota Matrix XR, FWD, StandardSECTION Inspection
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT BLOWER MOTOR (See REAR BLOWER MOTOR CIRCUIT ).
- INSPECT REAR MAGNETIC VALVE (See REAR MAGNETIC VALVE CIRCUIT ).
- INSPECT SMOKE SENSOR (See SMOKE SENSOR CIRCUIT ).
- INSPECT EVAPORATOR
- Check the evaporator fins for blockage.
If the fins are clogged, clean them with compressed air.
NOTE: Never use water to clean the evaporator. - Check the fitting for cracks or scratches.
If necessary repair or replace.
- Check the evaporator fins for blockage.
- INSPECT COOLING BOX LIGHT
- Connect positive (+) lead to terminal 1 and negative (-) lead to terminal 2.
- Check that the cooling box light lights up.
If cooling box light does not light up, replace the cooling box light.
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.