Operation CHARM
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Isuzu Truck
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1999
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Oasis S L4-2253cc 2.3L SOHC VTEC MFI
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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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Testing and Inspection
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Component Tests and General Diagnostics
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Starter Switch Signal
Starter Switch Signal
This signals the
PCM
when the engine is cranking.
