Rodeo LS 4WD V6-3.2L (1998)
A/C Signal: Testing and Inspection
A/C Clutch Circuit Purpose
The A/C compressor operation is controlled by the powertrain control module (PCM) for the following reasons:
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It improvises idle quality during compressor clutch engagement.
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It improvises wide open throttle (WOT) performance.
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It provides A/C compressor protection from operation with incorrect refrigerant pressures.
The A/C electrical system consists of the following components:
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The A/C control head.
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The A/C refrigerant pressure switches.
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The A/C compressor clutch.
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The A/C compressor clutch relay.
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The PCM.
