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Home >> Mazda >> 2001 >> MX-5 Miata LS L4-1.8L DOHC >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Testing and Inspection
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Control Assembly: Testing and Inspection

CLIMATE CONTROL UNIT INSPECTION

A/C Switch
1. Remove the climate control unit.







2. Inspect for continuity between the A/C switch terminals using an ohmmeter.
3. Connect battery positive voltage to terminal C and ground to the terminal A.
4. Turn the A/C switch on.
5. Verify that the LED illuminates.
- If not as specified, replace the A/C switch.

Fan Switch
1. Remove the climate control unit.







2. Inspect for continuity between the fan switch terminals using an ohmmeter.
- If not as specified, replace the fan and rear window defroster switch.

Defroster Switch
1. Remove the climate control unit.







2. Inspect for continuity between the defroster switch terminals using an ohmmeter.
- If not as specified, replace the defroster switch.

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