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Volvo
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1989
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740 GL, 4D Sedan, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Tests W/Codes - Non-Turbo
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Entering Self-Diagnostics (Ignition System) Control Functions
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Retrieving Codes (Ignition System) Control Function No. 1
Retrieving Codes (Ignition System) Control Function No. 1
CAUTION:
Never connect or disconnect ECU connector with ignition in the "ON" position.