Operation CHARM
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Cadillac
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1987
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DeVille V8-252 4.1L
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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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Initial Inspection and Diagnostic Overview
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- Description of On-Board Diagnostics
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Exiting Diagnostics
Exiting Diagnostics
Diagnostic Mode:
To exit diagnostic mode, depress Auto button on CCP or turn ignition Off for ten seconds until the temperature setting is displayed. Stored codes will not be cleared.