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Home >> Volvo >> 2000 >> S80 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control - System & Component Testing - Except S40 & V40 >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Ground Circuits (S80)
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Ground Circuits (S80)

Check ground lead between ECM terminals A53, A54, A63 and right side member ground terminal G103 (31/96) for an open-circuit. Check ECM ground terminal for contact resistance and oxidation. Repair as necessary.