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N4(USDT)
$651
$01
$50
$AA
$AA
$AA
$AA
$AA
$AA
Determine network configuration.
•
Use service $1A with DataIdentifier $B0 to read diagnostic addresses from all of the ECUs (excluding
SPS_TYPE_C).
Page 288
GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
Table 253: Read Diagnostic Addresses of All ECUs
T = Frame Sent By Tester, N = Frame Sent By Node; shaded region indicates PCI
Frame Type CAN Id
#1
#2
#3
#4
#5
#6
#7
#8
T(USDT-SF)
$101
$FE
$02
$1A
$B0
$AA
$AA
$AA
$AA
N1(USDT-
SF)
$641
$03
$5A
$B0
$28
$AA
$AA
$AA
$AA
N2(USDT-
SF)
$64D
$03
$5A
$B0
$60
$AA
$AA
$AA
$AA
N3(USDT-
SF)
$647
$03
$5A
$B0
$40
$AA
$AA
$AA
$AA
N4(USDT-
SF)
$651
$03
$5A
$B0
$42
$AA
$AA
$AA
$AA
Sample $3B write such as the VIN.
•
Send a service $3B request to write DID $90 (VIN).
Table 254: Write VIN
T = Frame Sent By Tester, N = Frame Sent By Node; shaded region indicates PCI
Frame Type CAN Id
#1
#2
#3
#4
#5
#6
#7
#8
T(USDT-FF)
$247
$10
$13
$3B
$90
"W"
"0"
"L"
"0"
N(USDT-FC)
$647
$30
$00
$00
---
---
---
---
---
T(USDT-CF)
$247
$21
"J"
"B"
"F"
"3"
"5"
"W"
"1"
T(USDT-CF)
$247
$22
"0"
"4"
"2"
"7"
"6"
"5"
$AA
N(USDT-SF)
$247
$02
$7B
$90
---
---
---
---
---
25.06.2020
WORLDWIDE ENGINEERING STANDARDS General Motors Local Area Network Enhanced Diagnostic Test Mode Specification
https://translate.googleusercontent.com/translate_f
256/298
© Copyright 2010 General Motors All Rights Reserved
February 2010
Page 288 of 336
Page 289
GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
© Copyright 2010 General Motors All Rights Reserved
February 2010
Page 289 of 336
10 Validation
10.1 General.
The node verification procedure
results shall be documented in the separately
available GMW3110 Test Result Template. Note
that if using CANoe Option DiVa with GM
Extensions for DiVa then
the resulting report from
CANoe may be provided in lieu of the GMW3110
template.
10.2 Validation Cross Reference Index.
Not
applicable.
10.3 Supporting Paragraphs.
Not applicable.
11 Provisions for Shipping
Not applicable.
12 Notes
12.1 Glossary.
12.1.1 ISO Terms:
This document makes use of
terms defined in the ISO 15765-2 Road Vehicles -
Diagnostics on Controller Area Networks (CAN)
document.
ADDR:
Address information.
BS:
Block Size.
CAN:
Controller Area Network.
CF:
Consecutive Frame.
DL:
Data Length.
FC:
Flow Control.
FF:
First Frame.
PCI:
Protocol Control Information.
SF:
Single Frame.
STmin:
Separation Time (minimum).
USDT:
Unacknowledged Segmented Data
Transfer - used to signify
messages which may be
segmented into multiple frames due to data length
of the message.
UUDT:
Unacknowledged Unsegmented Data
Transfer - used to signify messages which are
single frame ONLY.
12.1.2 SAE Terms:
This document makes use of
terms
defined
in
the
SAE
J1930
Electrical/Electronic
Systems Diagnostic Terms,
Definitions,
Abbreviations
and
Acronyms
document.
12.1.3 GM Terms
CTS:
Component Technical Specification
Diagnostic Mode:
An ECU is considered to be in
Diagnostic Mode
any time a diagnostic service is
active which requires that a TesterPresent ($3E)
message be sent periodically
in order to maintain
the functionality of the service. See the description
of each diagnostic service to see if it places an
ECU in
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