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Home >> Ford >> 1992 >> Probe GL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - EEC >> Circuit Tests >> Circuit Test STI - Self-Test Input >> Checking System Integrity

Checking System Integrity

Visually check all wiring and connectors for evidence of damage, shorting or looseness. If a fault is found, repair as necessary. If no fault is found, go to SYSTEM VOLTAGE CHECK.