Operation CHARM
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Lexus
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1991
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LS 400 V8-4.0L (1UZ-FE)
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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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Engine Control Module
Engine Control Module
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Testing and Inspection
Component Tests and General Diagnostics
Back Up Power Source Circuit
ECM Power Source Circuit
Pinout Values and Diagnostic Parameters
Technical Service Bulletins
