Checking The Components And Wiring

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

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying A/C Relay

Courtesy of VOLVO CARS CORPORATION

• Continue 

  Refer to VERIFICATION