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.
The Blower And Heater Controls And The A/C System Do Not Work
2010 Honda Crosstour 2WD V6-3.5LSECTION The Blower And Heater Controls And The A/C System Do Not Work
The blower and heater controls and the A/C system do not work
Probable cause: Climate control unit malfunction
Do the climate control power and ground circuit troubleshooting Climate Control Power And Ground Circuit Troubleshooting
Also check for
Climate control DTCs
Also check for
Blown fuse No. B16 (7.5 A) in the driver's under-dash fuse/relay box
Also check for
Poor ground at G502; with navigation, without navigation
Also check for
Poor or loose connections at the terminals
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.