Checking the wiring and component

Check the signal cable between control module terminal #B44 (#B54) and air conditioning (A/C) relay terminal #4. Check for a short-circuit to supply voltage.

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting the breakout box
• To access or replace the control module for the S70 and V70 -2000, see Engine control module (ECM), replacing
• To access or replace the control module for the S60, S80 and V70 2000-, see Engine control module (ECM), replacing
• For information about signals, see Signal specification
• See Checking wiring and terminals .

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to Verification