December 2017
Intermediate to advanced
312 pages
7h 54m
Japanese
Content preview from カーハッカーズ・ハンドブック ―車載システムの仕組み・分析・セキュリティ
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035
2
OBD-II
コネクタのピン配置図
OBD-II
ピン配列の残りのピンは自動車メーカが仕様を決めている。その割当てはメーカ
によって異なり、ガイドラインがあるだけである。ピン配置は車種とモデルによっても異
なる場合がある。例として、図
2 -17
にゼネラルモーターズのピン配置を示す。
OBD
コネクタには、低速
CAN
（
LS-CAN
）や中速
CAN
（
MS-CAN
）のような複数の
CAN
信号線が出ている場合があることに注意してほしい。低速は約
33kbps
、中速は約
128kbps
、高速
CAN
（
HS-CAN
）は約
500kbps
である。
スニファを車両の
OBD-II
コネクタに接続する場合は、しばしば
DB9
と
OBD-II
の変換コ
ネクタを使用する。図
2 -18
に
DB9
のオス型コネクタの配置を示す（ケーブルのほうでは
ない）。
CAN High
CAN Low
PWM +
PWM –
LS-CAN High
MS-CAN High
MS-CAN Low
LS -CAN Low
KWP K-Line
KWP L-Line
+12Vc
信号グランドシャーシグランド
1
2
3
9 10
11
12
13
4
5
67
14
15
16
8
CANグランド
* グランド
* 電源
CAN Low
CAN High
*
シールド
1 234 5
6789
未接続
未接続
未接続
［図
2
-
17
］
ケーブ ル側から見た
ゼ ネラル モーターズ の車 両 の
完全な
OBD
コネクタの
ピン配置
［図
2
-
18
］
一般的な
DB9
オス型コネクタの配置。
ア ス タ リ ス ク（
*
）は 、そ の ピ ン が
オプ
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.