Freelander System Description and Operation
ENGINE MANAGEMENT SYSTEM - SIEMENS
18-4-12 DESCRIPTION AND OPERATION
Controller Area Network (CAN) Bus
The ECM is connected to the Anti-lock Braking System (ABS) modulator, EAT ECU and the instrument pack by the
CAN bus.
22
IAT sensor signal
Input
23
IAT sensor earth
–
24
ECT sensor signal
Input
25
ECT sensor earth
–
26 and 28
Not used
–
29
LH bank knock sensor
Input
30
LH bank knock sensor
Input
31
RH bank knock sensor
Input
32
RH bank knock sensor
Input
33
Fuel injector 1
Output
34
Fuel injector 3
Output
35
Fuel injector 5
Output
36
Fuel injector 2
Output
37
Fuel injector 6
Output
38
Fuel injector 4
Output
39 to 41
Not used
–
42
EVAP purge valve drive
Output
43
Throttle motor open drive
Output
44
Throttle motor close drive
Output
45 to 47
Not used
–
48
Knock sensors screen
Input
49
VIS power (butterfly) valves motor drive
Output
50
Not used
–
51
DMTL heater drive
Output
52
Not used
–
Pin No.
Description
Input/Output