Operation CHARM
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Jeep
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1998
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Cherokee 2WD L6-4.0L VIN S
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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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Functional Operation
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Inputs and Outputs
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Inputs
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Leak Detection Pump (Switch) Sense
Leak Detection Pump (Switch) Sense
Provides an input to the PCM that the
leak detection pump
(LDP)
has been activated.