Nissan and Datsun Workshop Service and Repair Manuals

Compressor Clutch Relay: Description and Operation

Compressor Cut-Off Relay

Input/Output Signal Line

System Description

This system improves engine operation when the air conditioner is used.
Under the following conditions, the air conditioner is turned off.

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When the accelerator pedal is fully depressed.

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When cranking the engine.

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At high engine speeds.

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When the engine coolant temperature becomes excessively high.

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When operating power steering during low engine speed or low vehicle speed.

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When engine speed is excessively low.