Страница 1 мировой engineering стандарты общая спецификация

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)
$241
$07
$AE
$01
$00
$03
$00
$00
$78
N(USDT-SF)
$641
$02
$EE
$01
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After the idle speed reaches 1500 rpm and stabilizes the following messages are sent:
Table 216: DeviceControl Example Message Flow to Turn EGR On
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)
$241
$06
$AE
$02
$01
$00
$80
$00
N(USDT-SF)
$641
$02
$EE
$02
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25.06.2020
WORLDWIDE ENGINEERING STANDARDS General Motors Local Area Network Enhanced Diagnostic Test Mode Specification
https://translate.googleusercontent.com/translate_f
215/298
© Copyright 2010 General Motors All Rights Reserved
February 2010
Page 242 of 336
At this point the PCM will keep the IAC RPM device control active and command the 50% duty cycle to the
EGR valve. The IAC RPM command is kept active because the last device control command received for
CPID $01 included the IAC RPM device control and the tester present messages are being sent per the
assumptions.
Assume that some time has elapsed and then the operator in the vehicle bumps the gear shift lever resulting in
the lever being moved to the overdrive position. The ECU will cancel the IAC RPM and EGR device controls
(returning control of those outputs to the PCM) and send the following unsolicited response message to the
tool: