Operation CHARM
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Saab
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1993
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9000 L4-2290cc 2.3L DOHC Turbo EFI
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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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ECM Input Signals
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Torque Limiting
Torque Limiting
Torque Limitation:
To limit engine power when reverse gear is engaged, voltage is applied to pin 13 of the ECM
Current is taken from the brake light switch and this function ensures that only basic charging pressure is available.