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 MANUALSCHEVROLET2000S10/T10 P/U 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYDESCRIPTION AND OPERATIONHVAC SYSTEM - AUTOMATICCONTROL ASSEMBLY, HVACGENERAL
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN W
General
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN WSECTION General
The automatic climate control assembly is the Electronic Climate Control (ECC) module. The control assembly contains the following controls:
^ A rotary knob to control blower speed
^ A rotary knob to control the air temperature
^ A rotary knob to select the desired operating mode
^ Up to four push buttons, depending on option content, that control:
- Recirculated air
- Fresh air
- A/C operation
- Rear Defogger (RPO C49)
The controls are lit when the parking lamps or headlamps are ON. The instrument panel lighting circuit provides voltage. The control assembly lamps are in parallel with the following components:
^ The instrument cluster bulbs
^ The radio dial bulb
^ Other interior illumination bulbs
The dimmer control of the headlamp switch controls the brightness of the control assembly lamps.
For a description of the RPO Code(s) shown in this article/image, refer to the RPO Code List found at Vehicle/Application ID.
Application and ID
^ A rotary knob to control blower speed
^ A rotary knob to control the air temperature
^ A rotary knob to select the desired operating mode
^ Up to four push buttons, depending on option content, that control:
- Recirculated air
- Fresh air
- A/C operation
- Rear Defogger (RPO C49)
The controls are lit when the parking lamps or headlamps are ON. The instrument panel lighting circuit provides voltage. The control assembly lamps are in parallel with the following components:
^ The instrument cluster bulbs
^ The radio dial bulb
^ Other interior illumination bulbs
The dimmer control of the headlamp switch controls the brightness of the control assembly lamps.
For a description of the RPO Code(s) shown in this article/image, refer to the RPO Code List found at Vehicle/Application ID.
Application and ID
RENDER: 1.0x
NO RELATED
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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.