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Home >> Volvo >> 1998 >> S70 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Connecting VOLVO Test Box (981 3190) >> Connecting Test Box

Connecting Test Box

  1. Turn ignition off.
    2. WARNING: ECM MUST not be disconnected from control module box until the main relay has interrupted power supply to ECM. This will take up to three minutes.
  2. Wait three minutes before continuing. Locate ECM in control module box at right front of engine compartment. See Fig 1. Being careful not to damage ECM pins and connectors, lift up on release lever and pull ECM up and out.
  3. Connect Volvo test box (981 3190) or equivalent, to ECM harness connector in control module box. See Fig 2. Connect Adapter (951 1351) to test box harness connector "A" or "B" as instructed in diagnostic testing procedure. Continue with diagnostic testing as directed in testing procedure.
  4. After reinstalling ECM, check DTC memory and erase, if necessary. See RETRIEVING & ERASING DTCs  under SELF-DIAGNOSTIC SYSTEM.
Fig 1: Identifying ECM Location
G00308184Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying ECM Adapter (951 1351)
G00308181Courtesy of VOLVO CARS OF NORTH AMERICA.
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