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Home >> Isuzu >> 1984 >> Impulse Automatic >> Repair and Diagnosis >> Engine Performance >> System >> I-TEC Control System >> Testing >> Test 14 - Injector Transistor Ground Circuit (Code 64)
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Test 14 - Injector Transistor Ground Circuit (Code 64)

Disconnect MCU terminal connectors at MCU. Check pins 31 and 32 for continuity to ground. Repair defects to circuits or connections.