Checking cables

Check cables between

for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Other information

Connecting the breakout box/accessing the control module, see Connecting the breakout box .
To access/replace the control module, see Engine control module (ECM), replacing .
To access/replace the camshaft position (CMP) sensor, see Replacing camshaft position sensor (CMP) .
To access/replace manifold absolute pressure (MAP) sensor, see Mass air flow (MAF) sensor, replacing .
To access/replace air conditioning (A/C) pressure sensor, see Replacing pressure switch /Pressostat .
To access/replace the fuel tank pressure sensor see Fuel tank, replacing .
For information about signals, see Signal specification .

Fig 1: Identifying Voltage Display

Courtesy of VOLVO CARS OF NORTH AMERICA.