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Home >> Volvo >> 1998 >> S90 AW30-43 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Preliminary Check

Preliminary Check

Turn ignition off. Disconnect PCM connector. PCM is located at right front of engine compartment. Visually inspect all terminal connector sleeves to ensure no terminals are damaged.