Mitsubishi Lancer Evolution IX. Manual - part 265
CHECK AT ECU TERMINAL
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-319
FRONT-ECU
NOTE: Measurement is not possible as the front-ECU is mounted on the relay box directly. The values are for
reference only.
AC305097
1 2 3 4 5 6 7 8 9 10 11
2122 23242526 2728 29 30 31
A-10X
A-11X
AB
Terminal
No.
Check item
Check condition
Normal condition
1
−
−
−
2
Output to headlamp (high-beam)
When headlamps (high-beam) are
on
System voltage
3, 4
Battery power supply (for
headlamp)
Always
System voltage
5
Battery power supply (for tail lamp) Always
System voltage
6
Output to headlamp (low-beam)
When headlamps (low-beam) are
on
System voltage
7
Battery power supply (for ECU)
Always
System voltage
8
Output to tail lamps
When tail lamps are on
System voltage
9 to 11
−
−
−
21
Output to windshield washer
When windshield washer is on
System voltage
22
SWS communication line
Always
0
− 12 V (pulse signal)
23
Input of automatic stop signal to
windshield wiper
When windshield wiper is on
System voltage
24
Power supply to ignition switch
(ACC)
Ignition switch: "ACC"
System voltage
25
Input of backup signal from
headlamp switch
Headlamp switch: ON
0 V
26
Input of backup signal to windshield
wiper
Windshield low-speed wiper switch
or windshield high-speed wiper
switch: ON
0 V
27
Output to windshield wiper
(low-speed)
When windshield wiper is on (at low
speed)
System voltage
28
Output to windshield wiper
(high-speed)
When windshield wiper is on (at
high speed)
System voltage
29
−
−
−
30
Power supply to ignition switch
(IG2)
Ignition switch: "ON"
System voltage
31
Earth
Always
0 V