Checking The Component And Wiring

Check the signal cable between engine control module (ECM) terminal #B10 (#C10) and air conditioning (A/C) relay terminal #2. Check for a short-circuit to supply voltage.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION (2005), or SIGNAL SPECIFICATION (2006-2007)
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying A/C Relay

Courtesy of VOLVO CARS CORPORATION

• Continue 

  Refer to VERIFICATION