Check speed sensor / wiring .This from Piccaso forum may help you .
Here's some info on the speed pulse......
Citroen Xsara Picasso 1.6 HDi 2004 � speed pulse
Engine compartment:
Original speed sensor on gearbox 3-way white connector position 3, colour can vary (wire-nr.6738)
or 16-way black connector in fuse box position 14, colour can vary (wire-nr. 6738)
or place an original sensor on the gearbox: the 3-way connector is prepared
Passenger compartment:
Yellow 26-way connector on BSI module position 2 green
or since late 2002: 2-way black connector near steering column position 2 white (wire-nr. 856), becomes purple if wired;
ATTENTION SINCE 2004: WITH ESP WITHOUT GPS-NAVIGATION there might NOT be a signal on this 2-way connector: place an original sensor on the gearbox;
about 5000 pulses/km
with the use of Can Bus Interface:
CAN Highspeed:
brown (CAN High) twisted with purple (CAN Low) in bundle in front of Board Computer.
Hope this helps.
Posted Oct 4, 2011 (13 years ago)