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

GM WORLDWIDE ENGINEERING STANDARDS 
GMW3110 
© Copyright 2010 General Motors All Rights Reserved 
February 2010 
Page 2 of 336 
5.2 Communication State Diagram Based On 
Version 1.5 of GMW3104. ................................ 40 
5.2.1 
Communications 
Initialization 
(COMM_INIT) State. ..................................... 41 
5.2.2 
Communications 
Enabled 
(COMM_ENABLED) State.. .......................... 41 
5.2.3 
Communications 
Active 
(COMM_ACTIVE) State. ............................... 41 
5.2.4 Enabling Diagnostic Communications. 42 
5.2.5 Activation of the Application Triggered 
Diagnostic VN.. ............................................. 44 
5.2.6 Keeping the Application Triggered 
Diagnostic VN Active. ................................... 45 
5.2.7 Deactivation of the Application Triggered 
Diagnostic VN.. ............................................. 45 
5.2.8 
Verification 
of 
Diagnostic 
VN 
Deactivation. ................................................. 46 
5.2.9 Example: Activation and Deactivation of 
the Application Triggered Diagnostic VN. ..... 47 
6 Wake-up Requirements and Timing Parameters
 ............................................................................. 48 
6.1 Wake-up Requirements. ............................. 48 
6.2 Application Timing Parameters Definitions. 49 
6.2.1 Application Timing Parameter P2
CE
/P2
CT
 
Definition. ...................................................... 49 
6.2.2 
Application 
Timing 
Parameter 
P2
CE
*/P2
CT
*Definition. ................................... 54 
6.2.3 Application Timing Parameter Definition 
for UUDT Response Messages. ................... 60 
6.2.4 Application Timing Parameter P3
C
 
Definition. ...................................................... 61 
6.2.5 
Application 
Timing 
Parameter 
Considerations. ............................................. 62 
6.3 Network Layer Parameter Definitions. ........ 65 
6.3.1 Network Layer Timing Parameter 
Definitions. .................................................... 65 
6.3.2 Tester Network Layer Flow Control 
Frame Transmit Parameter Requirements. .. 66 
6.3.3 ECU Network Layer Flow Control Frame 
Transmit Parameter Requirements. .............. 68 
7 Negative Response ($7F) Service Definition .... 69 
7.1 Negative Response Message Format. ....... 70 
7.2 Return Code Definition. .............................. 70 
7.2.1 ServiceNotSupported ($11, RC_SNS). 70 
7.2.2 SubFunctionNotSupported-InvalidFormat 
($12, RC_SFNS_IF).. .................................... 70 
7.2.3 
ConditionsNotCorrectOrRequestSequenceErr
or ($22, RC_CNCRSE). ................................ 70 
7.2.4 RequestOutOfRange ($31, RC_ROOR).
 ...................................................................... 70 
7.2.5 InvalidKey ($35, RC_IK). ..................... 71 
7.2.6 
ExceedNumberOfAttempts 
($36, 
RC_ENOA). .................................................. 71 
7.2.7 
RequiredTimeDelayNotExpired 
($37, 
RC_RTDNE).. ............................................... 71 
7.2.8 
RequestCorrectlyReceived 
- 
ResponsePending ($78, RC_RCR-RP).. ..... 71 
7.2.9 SchedulerFull ($81, RC_SCHDFULL). 71 
7.2.10 VoltageOutOfRangeFault (High/Low) 
($83 RC_VOLTRNG). ................................... 71 
7.2.11 
GeneralProgrammingFailure 
($85 
RC_PROGFAIL). .......................................... 71 
7.2.12 
DeviceTypeError 
($89 
RC_DEV_TYPE_ERR). ................................ 71 
7.2.13 ReadyForDownload-DTCStored ($99 
RC_RFD-DS).. .............................................. 71 
7.2.14 DeviceControlLimitsExceeded ($E3, 
RC_DCLE). ................................................... 72 
7.3 Negative Response Message Flow Example.
.......................................................................... 72 
7.3.1 Tester Requests An Unsupported 
Service.. ........................................................ 72 
8 Diagnostic Services (Test Modes) Definition .... 72 
8.1 ClearDiagnosticInformation ($04) Service. 72 
8.1.1 Service Description. ............................. 72 
8.1.2 Request Message Definition. .............. 73 
8.1.3 Positive Response Message Definition.
 ...................................................................... 73 
8.1.4 Supported Negative Response Codes 
(RC_). ........................................................... 73 
8.1.5 
Message 
Flow 
Example 
ClearDiagnosticInformation. ......................... 73 
8.1.6 Node Interface Function. ..................... 74 
8.1.7 Node Verification Procedure. .............. 75 
8.1.8 Tester implications. .............................. 76 
8.2 InitiateDiagnosticOperation ($10) Service. 77 
8.2.1 Service Description. ............................. 77 
8.2.2 Request Message Definition. .............. 77 
8.2.3 Positive Response Message Definition.
 ...................................................................... 79 
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