General Specification Electrical Function gmw3110 General Motors Local Area Network Enhanced Diagnostic Test Mode Specification

AA_Msg_Rate 
This is the amount of time between two executions of the Process_AA_Msgs() 
function.
 
x ms 
all_DPIDs_valid 
A flag used to indicate whether all DPIDs in a request message are valid or not.
 
YES/NO 
DPID_already_scheduled 
A flag used to indicate whether a DPID# is already in PDS or not.
 
YES/NO 
vacant_position_found 
A flag used to indicate that a vacant position to put a new DPID# in the PDS has 
been found.
 
YES/NO 
vacant_position 
A flag used to indicate the index into the PDS where the first vacant position to 
put a new DPID# in the PDS has been found.
 
0 to (PDS_length -1) 
max_No_of_01_DPIDs 
The max. # of DPIDs that an ECU supports for a sub-function parameter $01 
(OneShot) request.
 
According to CTS 
num_new_sched_DPIDs 
The number of DPIDs in a received request that are not already scheduled at 
time of request.
 
0 to 4093 
No_of_DPIDs 
The total number of DPIDs in a received request.
 
0 to 4093 
Request_Valid 
This is a local flag used to keep track of whether or not the request message is a 
valid request.
 
YES/NO 
request_DPIDs[] 
This is an array which contains all of the DPIDs from the request message. The 
first element (request_DPIDs[0]) of this array contains the first data byte after the 
sub function parameter in the request message.
 
Each array element 
contains a DPID number 
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