Operation CHARM
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Infiniti
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1991
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M30 V6-181 3.0L
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Description and Operation
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Self-Diagnosis System
Self-Diagnosis System
The self-diagnostic system is used to diagnosis malfunctions in major sensors and actuators of the ECCS system. There are two modes in the self-diagnostic system, Modes I and II.