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Home >> Volvo >> 1991 >> 240 SE, AW70 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Idle Air Control Valve

Idle Air Control Valve

  1. Turn ignition switch to OFF position. Disconnect ECU connector. Remove cover from ECU connector to expose pin identification numbers. On 240, 740 and 940 Series with 2.4 Jetronic fuel system, connect an ohmmeter between fuel injection ECU pins No. 9 and 33.
  2. Ohmmeter should read 8 ohms. On 740 Series with Regina fuel injection system, connect ohmmeter between fuel injection ECU pins No. 9 and 33. Ohmmeter should read 4 ohms.
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