Speed Signal

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: In order for the new ECC control module to function correctly, the speed signal must be programmed.

From and including production week 832, the ECC control module has been updated with a new function for the programming of the speed signal from the combined instrument panel. This is because the functionality of the combined instrument panel has been changed.

Previously the combined instrument panel had two output signals; a 12 pulsed and a 48 pulsed signal. The ECC control module was connected to the 48 pulse signal. The new combined instrument panel will only have a 12 pulsed speed signal. Therefore the ECC control module is connected to the 12 pulsed signal.

The new ECC control modules replace the older versions and can be installed in both new and older cars. To obtain the correct functionality, the new ECC control module must be programmed for the correct type of speed signal. The new combined instrument panel has the text "Max" instead of a digit at the maximum fuel level in the fuel gauge.

On older combined instrument panels the ECC control module must be programmed for 48 pulses .

On new combined instrument panels the ECC control module must be programmed for 12 pulses .

NOTE: The function is not available on all climate control modules (dependent on the P/N).