Operation CHARM
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Honda
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1991
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Prelude L4-1958cc DOHC
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Component Tests and General Diagnostics
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Relays
Relays
Relay
NOTE: All A/C system relays are similar.
1.
Check for continuity between terminals (2) and (4).
2.
Connect a 12 V battery across terminals (2) and (4).
There should be continuity between terminals (1) and (3).