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Home >> Volvo >> 2000 >> S70 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control - System & Component Testing - Except S40 & V40) >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Power Circuits (C70, S70 & V70)

Power Circuits (C70, S70 & V70)

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Check fuse 11 B/3 in main fuse box. See Figure. If the fuse is blown, check the circuit after the fuse for a short-circuit to ground. Repair as necessary. Check fuse 11B/1 in main fuse box. If the fuse is blown check the circuit after the fuse for a short-circuit to ground. Repair as necessary. Check power supply to ECM terminals A70 and B11. See PIN VOLTAGE CHARTS article. Voltage should be approximately battery voltage.

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