Operation CHARM
: Car repair manuals for everyone.
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Toyota
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1990
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Supra L6-3.0L DOHC Turbo (7M-GTE)
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Testing and Inspection
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Component Tests and General Diagnostics
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Primary Components
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Electronic Control Unit
Electronic Control Unit
The ECU controls the
ignition timing
, fuel injection, and
emission control systems
. For further information on the ECU, refer to
COMPUTERIZED ENGINE CONTROLS.