Status check

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Start the engine.

  Check that the tachometer is working. Try increasing the engine speed. Check that the tachometer readings are within their permitted range.

Does the engine coolant temperature (ECT) gauge display a faulty value, or a value outside its permitted range? 

• YES 

  Refer to Checking components and wiring 

• NO 

  Refer to Checking components and wiring