3. Using the Scan Tool
3.1 Tool Description
1) OBD II CONNECTOR - Connects the scan tool to
the vehicle's Data Link Connector (DLC)
2) LCD DISPLAY - Displays menus and test results
3) GREEN LED - Indicates that engine systems
are running
4) YELLOW LED- Indicates there is a possible problem. A
“pending” DTC is present and/or some of the vehicle's emission
monitors have not run their diagnostic testing.
5) RED LED- Indicates there is a problem in one or more of the
Vehicle's systems. The red LED is also used to show that DTCs
are present. DTCs are shown on the Scan Tool's emission monitors
have not run their diagnostic testing.
X
!
3
R
K 850
W
ESC I/M ?
OK
No Fa ult cod e
pen ding fa ult cod e
Per manen t fault c ode
!
X
1
2
3
45
6
7
8
9
10
11
12
13
14
