115
SCAN-DIY CR-PRO User’s Manual
The 'Check Engine' warning light on the dashboard is often the first an owner
knows about a problem with their car.
This provides very little information to the owner, or to the garage asked to
investigate the problem.
Problem diagnosis
With the modern tools, skilled technicians should be able to diagnose and solve
many of the problems, which prior to this, required the sophisticated console tools
of main dealers.
New technology
The introduction of European onboard diagnostics standards has opened up
new opportunities for car garages and owners.
A range of lowcost tools are now available to read and clear error codes, to view
live/stored readings from sensors within the car, and to switch off the 'Check
Engine' light.
What information is available?
EOBD systems monitor and store information from sensors throughout the car,
e.g. air flow sensors and oxygen sensors.
Sensor values outside an acceptable range trigger a Diagnostic Trouble Code
(DTC). The Scan tools can help you read and interpret these codes, and view the
live sensor output.
EOBD or OBD II?
OnBoard Diagnostics, or OBD, was the name given to the early emission control
and enginemanagement systems introduced in cars. There is no single OBD
standard each manufacturer often using quite different systems (even between
individual car models).
| SCAN-DIY CR-Pro Work On OBD-II/EOBD-II/CANBUS Protocol Vehicle
