Operation CHARM
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Toyota
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1991
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4 Runner 4WD L4-144.4 2366cc 2.4L SOHC (22R-E)
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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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Testing and Inspection
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Component Tests and General Diagnostics
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ECM Power Source Circuit
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Except 4 WD Automatic Transmission
Except 4 WD Automatic Transmission
�0:EFI Main Relay Circuit Test:
