Subsection XX (COMMUNICATION TOOLS AND B.U.D.S.)
COMMUNICATION TOOLS AND
B.U.D.S.
SERVICE TOOLS
Description Part Number Page
MPI-2 DIAGNOST IC CABLE............. .................. .................. ......... 710 000 851 ............................................. 3
MPI-2 INTERFACE CARD .............. ................................. ............... 529 036 018 ......................................... 3–4
SERVICE TOOLS – OTHER SUPPLIER
Description Part Number Page
MALE-FEMALE EXTENSION SERIAL CABLE............. .................. DB9 ............................................. 3
GENERAL
Refer to
PROCEDURES
for instructions on the
communication tools.
If communication problems occur, refer to
TROU-
BLESHOOTING
in this subsection.
TROUBLESHOOTING
DIAGNOSTIC TIPS
IMPORTANT: Make sure all connections are
made and vehicle is powered up before starting
B.U.D.S. to allow proper communication between
the vehicle and B.U.D.S. software.
MPI-2 Connection Troubleshooting
MPI-2 Status Lights
The MPI-2 includes 2 status lights that indicate the
connection condition: USB and CAN. Both lights
must be GREEN for the MPI-2 to function prop-
erly. Otherwise, refer to the following charts.
vdd2006-001-151_b
Prerequisite for USB communication:
– PC Computer turned on
– MPI-2 connected to P
C computer.
USB LIGHT
STATUS WHAT TO DO
Light is
OFF
– Check USB connection between
MPI-2 and PC computer.
– Check USB operation on PC
computer (hardware or Windows
drivers).
Light is
GREEN
– Connections are GOOD.
Communication can ta ke place
on USB side.
Prerequisite for CAN communication:
– MPI-2 connected to diagnostic connector on ve-
hicle.
– Tether cord installed on the vehicle engine cut-
off switch.
– ECM turned on (momentarily press the START
button).
– B.U.D.S. started and logged on.
CAN LIGHT
STATUS WHAT TO DO
Light is
OFF
Check connection between MPI-2 and
diagnostic connector on vehicle.
Light is
RED
Check CAN wires/connectors on
vehicle.
Light is
GREEN
Connections are GOOD.
Communication can take place on
CAN side.
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