Connector pin assignment of the E300 / E300.1 transmission control unit
Pin
Plug A
Plug B
Plug C
Plug D
1
SHIELD
EK
FLEXI-1
-BATT
2
TIM+
DK
FLEXI-2 (only E300)
IGN
3
TIM-
SK
FLEXI-3
FLEXI-11
4
N1+
RBK
FLEXI-4
K-LINE
5
N1-
TB
FLEXI-5
CAN1-H
6
N2+
--
FLEXI-6
CAN1-H
7
N2-
RBG
FLEXI-7
CAN-SHIELD
8
N3+
PB
FLEXI-8
CAN1-L
9
N3-
WR
FLEXI-9
CAN1-L
10
--
WP
FLEXI-10
CAN2-H
11
--
--
FLEXO-2H
CAN2-H
12
EKM
FLEXI-12
FLEXO-4H
CAN2-L
13
DKM
S-GND
FLEXO-3H
CAN2-L
14
SKM
OIL-LVL
FLEXO-5L
CAN1-R
15
PBM
T-SUMP
--
--
16
TBM
--
--
FLEXO-1L
17
RBKM
T-CONV
--
CAN2-R
18
MVM-GND
MV-GND
--
+BATT
Minimum wiring, transmission control unit:
Transmission connector
Pin
Name
Pin
Name
Pin
Name
1
S-GND
14
RBK
27
EKM
2
MV-GND
15
RBG
28
PBM
3
MV-GND
16
TB
29
RBKM
4
--
17
WR
30
TBM
5
T-CONV
18
--
31
MVM-GND
6
T-SUMP
19
--
32
N1+
7
OIL-LVL
20
--
33
N1-
8
P-DIFF
21
TIM-
34
N2+
9
SK
22
TIM+
35
N2-
10
DK
23
--
36
N3+
11
EK
24
SHIELD
37
N3-
12
PB
25
SKM
13
WP
26
DKM
Connector, CAN gear range selector
Pin
Name
Pin
Name
Pin
Name
1
IGN
6
CAN-H
11
FLEXI-4
2
-BATT
7
CAN-R
12
FLEXI-5
3
CAN-L
8
FLEXI-1
13
FLEXI-6
4
CAN-L
9
FLEXI-2
14
FLEXO-1H
5
CAN-H
10
FLEXI-3
Transmission cable harness
Connector, speed sensors N1, N2, N3
Pin
Description
N+
supply connection
N-
connection to ground
Connector, temperature sensors / oil level sensors T-SUMP T-CONV
Sensors T-SUMP / T-CONV in connection with the transmission control unit E300
Pin
Description
1
connection to ground
2
supply connection
Sensors T-SUMP / OIL-LVL in connection with transmission control unit E300.1 are combined oil level/temperature sensors.
Pin
Description
S-GND
connection to ground
OIL-LVL
oil level signal
S-GND
connection to ground
T-Sump
temperature signal
Connector, solenoid valves
Solenoid valve, controlled:
(EK DK SK PB TB RBK)
Pin
Description
1
Measuring coil: supply connection
2
Operating coil: connection to ground
3
Measuring coil: connection to ground
4
Operating coil: supply connection
Solenoid valves, not controlled:
(WP WR RGB)
Pin
Description
1
free
2
Operating coil, connection to ground
3
free
4
Operating coil: supply connection
TIM connector
Pin
Description
1
TIM-
connection to ground
2
TIM+
supply connection
K-line interface / level converter for serial interface
Interface, vehicle side
Pin
Description
1
+24V
2
-Batt
3
free
4
free
5
free
6
free
7
free
8
K-line
9
free
10
K-line overridden to pin 8 in the transmission control unit
11 - 16
free
Pin
Description
1-4
free
5
-Batt
6
K-line
7
free
8
+24V
9-15
free
Interface, serial port to PC
Pin
Description
1
free
2
K-line
3
L-line
4
free
5
-Batt
6-9
free
K-line interface / level converter for the USB interface
Interface, vehicle side
Pin
Description
1
+24V
2
-Batt
3
free
4
free
5
free
6
free
7
free
8
K-line
9
free
10
K-line overridden to pin 8 in the transmission control unit
11 - 16
free
Status LEDs at the interface
LED
Color
Behavior
USB
orange
Lights up if connection is active,
flashes during data transmission.
Status
green
Lights up permanently if device in Boot Loader mode;
flashes with 1 Hz if device in Firmware mode.
UBat
green
Lights up if UBAT (9-30V) is connected.
CAN data
green
Blinks during CAN data transmission.
J1708
orange
Blinks during J1708 data transmission.
K-line
green
Flashes during data transmission on the K-line
For further information on the K-line interface with a USB interface, please refer to the help for the
"HS Light USB" product made by samtec. If you follow this link, please click the "Open" button in the following window "File Download Safety Warning".
Diagnosis port at the vehicle
Pin
Description
1
+24V
2
-Batt
3
free
4
free
5
free
6
free
7
free
8
K-line
9
free
10
K-line overridden to pin 8 in the transmission control unit
11 - 16
free
Several vehicle types require adapter connectors between level converter and vehicle diagnostic port. For further information, please see: Adapter.