Electrical specification L9637
8/15 Doc ID 1765 Rev 8
Figure 4. ISO application circuit
40V
uP
I/O
I/O
I/O
5V
VCC
VDD
ECU1
K Line
L Line
ECU2
K
L
LI
K
VS
TX
RX
LO
GND
LI
VS
VCC
K
1,75V
RTX RLO RRX
510 Ohm
Diagnostic
Tester
ILI
C
K
0.4 Ohm
-
+
-
+
IK
OFF
R
KO
C
K
-
+
