LEMON Manuals
: Even more car manuals for everyone
Home
>>
GMC
>>
1997
>>
C3500 HD 7.4 J, Standard
>>
Repair and Diagnosis
>>
Accessories & Equipment
>>
Communication Devices
>>
Data Link Communications System
>>
System Tests
>>
UART Data Line Diagnosis
UART Data Line Diagnosis
Refer to flowchart. See
Fig 1
.
Fig 1: Universal Asynchronous Receiver Transmitter Data Line Diagnostic Flowchart
Courtesy of GENERAL MOTORS CORP.