Operation CHARM
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Saturn
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1995
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Coupe L4-1.9L DOHC VIN 7
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Description and Operation
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Powertrain Control System
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Variable Orifice Power Steering Control
Variable Orifice Power Steering Control
On the DOHC the
PCM
controls pressure to the power steering system by energizing and de-energizing the electrical variable orifice
(EVO)
solenoid by supplying power to the solenoid.