Operation CHARM
: Car repair manuals for everyone.
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Hyundai
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1989
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Sonata L4-2.4L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Component and System Testing
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Electronic Control Unit (ECU)
Electronic Control Unit (ECU)
For testing of the ECU refer to
TESTING PROCEDURES
in
COMPUTERIZED ENGINE CONTROLS
.