A/C requested
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Displays whether the engine control module (ECM) has requested that the ECC control module starts the air conditioning (A/C) compressor.
The A/C-compressor is permitted to start if the air conditioning (A/C) pressure is below a parameter.
Yes = ECC requests that the A/C compressor starts.
No = ECC does not request that the A/C compressor starts