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Servicing DTCs<br />
OBD1<br />
4. Red LED - Indicates there is a<br />
problem with one or more of the<br />
vehicle's systems. The red LED is<br />
also used to indicate that DTC(s)<br />
are present (displayed on the<br />
Tool's screen). In this case, the<br />
MIL or Check Engine light on the<br />
vehicle's instrument panel will be<br />
illuminated.<br />
� If DTC's were retrieved and you are going to perform the repairs<br />
yourself, proceed by consulting the vehicle's service repair<br />
manual for testing instructions, testing procedures, and flow<br />
charts related to retrieved code(s).<br />
� If you plan to take the vehicle to a professional to have it<br />
serviced, complete the PRELIMINARY VEHICLE DIAGNOSTIC<br />
WORKSHEET on page 28 and take it, together with the<br />
retrieved codes and LED information, to aid in the<br />
Troubleshooting procedure.<br />
Retrieved information can be uploaded to a Personal<br />
Computer (PC) with the use of optional software. For more<br />
information, see instructions included with the optional<br />
software.<br />
98 OBD2&1
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