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Home >> Volvo >> 1992 >> 740 Turbo, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Unit (960) >> Ground Circuit Checks
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Ground Circuit Checks

Turn ignition off. Connect an ohmmeter between ground and measuring unit terminals No. 19, 24, 26, 30 and 48. Ohmmeter should indicate approximately zero ohms in all cases.