Checking The Components And Wiring

Check the fuse for the air conditioning (A/C) relay.

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 ground. Check for an open-circuit.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION (2004, 2005, 2006, 2007)
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying A/C Relay

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to VERIFICATION