LR3/Disco 3
Network
(418-00 Module Communications Network)
ATCM Harness Connectors
NOTE :
ATCM Harness Connector C1629 Pin Details
A = C1629; B = C1630; C = C2655; D = C2295
Pin
No.
Description
System
Input/Output
Manual Automatic
1
Sensor 5V reference voltage (refrigerant pressure, humidity, sunlight as
applicable)
Yes
Yes
Output
2
Pollution sensor NO signal
No
Yes
Input
3
In-vehicle temperature sensor signal
No
Yes
Input
4
Refrigerant pressure sensor signal
Yes
Yes
Input
5
Sunlight sensor RH signal
No
Yes
Input
6
Pollution sensor PWM signal
No
Yes
Output
7
Blower relay coil
Yes
Yes
Output
8
Not used
-
-
-
9
Medium speed CAN bus low
Yes
Yes
Input/Output
10
Medium speed CAN bus high
Yes
Yes
Input/Output
11
Pollution sensor power feed
No
Yes
Output
12
Not used
-
-
-
13
Sensor ground (refrigerant pressure, ambient air temperature, pollution,
humidity, in-vehicle temperature and front seat temperature, as applicable)
Yes
Yes
Input
14
Pollution sensor HC/CO signal
No
Yes
Input
15
Ambient air temperature sensor signal
Yes
Yes
Input
16
Humidity sensor signal
No
Yes
Input
17
Sunlight sensor LH signal
No
Yes
Input
18
Windshield heater relay
Yes
Yes
Input
19
Washer jets/exterior mirrors heater relay
Yes
Yes
Input
20
LIN bus (on models with auxiliary climate control)
Yes
Yes
Input/Output
21
Medium speed CAN bus low
Yes
Yes
Input/Output
