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 MANUALSTOYOTA2008YARIS S, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 75 (AIR CONDITIONING SYSTEM (DIAGNOSTIC CODES & CIRCUIT TESTS))
2008 Toyota Yaris S, 4D Sedan, Automatic
Section 75 (Air Conditioning System (Diagnostic Codes & Circuit Tests))
2008 Toyota Yaris S, 4D Sedan, AutomaticSECTION Section 75 (Air Conditioning System (Diagnostic Codes & Circuit Tests))
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- Air Conditioning System
- Actuator Check
- DTC B1411/11: Room Temperature Sensor Circuit
- DTC B1412/12: Ambient Temperature Sensor Circuit
- DTC B1413/13: Evaporator Temperature Sensor Circuit
- DTC B1421/21: Solar Sensor Circuit (Passenger Side)
- DTC B1422/22: Compressor Lock Sensor Circuit
- DTC B1423/23: Pressure Sensor Circuit
- DTC B1424/24: Solar Sensor Circuit (Driver Side)
- DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side)
- DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit
- DTC B1443/43: Air Outlet Damper Control Servo Motor Circuit
- DTC B1446/46: Air Mix Damper Control Servo Motor Circuit (Driver Side)
- DTC B1451/51: Compressor Solenoid Circuit
- DTC B1463/63: Driver Side Seat Heater Temperature Sensor Circuit
- DTC B1464/64: Front Passenger Side Seat Heater Temperature Sensor Circuit
- DTC B1497/97: BUS IC Communication Malfunction
- DTC B1499/99: Multiplex Communication Circuit
- Circuit Tests
- Blower Motor Circuit
- Compressor Circuit
- Heater Control Panel Power Source Circuit
- Seat Blower Control Circuit
- Seat Heater Control Power Source Circuit
- Seat Heater Switch Circuit
- Seat Heater Switch Indicator Circuit
- Steering Pad Switch Circuit
- IG Power Source Circuit
- Back-up Power Source Circuit
- LIN Communication 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.