Checking components and wiring

Check the signal cable between combined instrument panel terminal #B10 and the engine control module (ECM). Check for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults . Check for a short-circuit to ground according to Short-circuit to ground, permanent faults . Check for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information:

To connect the breakout box for the combined instrument panel, see Connecting the breakout box
To access and replace the combined instrument panel, see Driver information module (DIM), installation/removal, component replacement
For information about signals, see Signal specification .

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Engine Management System, EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.