Operation CHARM
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Honda
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1998
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Prelude L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V
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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
ECM
when the engine is cranking.