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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test Dc - Mass Airflow (MAF) Sensor >> Test Dc: Step 11 >> All Other Engines

All Other Engines

Measure resistance between test pin No. 50 and test pins No. 9, 40, and 60, at the breakout box. If all resistances are greater than 10 k/ohms, go to next step. If resistance in any circuit is less than 10 k/ohms, repair short circuit, remove breakout box, reconnect components and repeat QUICK TEST.