FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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19-1: Check Isolation Valve No. 2 and Circuit







- Measure resistance between breakout box pins 3 and 40.

- Is resistance between 5 and 8 ohms?

YES -- Go to 19-3. 19-3: Check Circuit 677

NO -- Go to 19-2. 19-2: Check Isolation Valve No. 2