Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 503

54B-36
COLUMN SWITCHES
Terminal Check item
No.
1 Battery power supply
2 SWS request signal input
3 SWS communication line
4 Earth
5 - 7 -
8 Windshield wiper switch backup
output
9 Ignition switch (IG1) power supply
10 Headlamp switch backup output
FRONT-ECU
NOTE
See the list below for data on the front-ECU terminals. As the front-ECU connects directly onto the relay
box, the voltages cannot be measured.
Terminal Check item
No.
1 -
2 Headlamp (high-beam) output
3, 4 Battery power supply (for headlamps)
5 Battery power supply (for tail lamps)
6 Headlamp (low-beam) output
7 Battery power supply (for ECU)
8 Tail lamp output
9 - 11 -
21 Windshield washer output
22 SWS communication line
23 Windshield wiper automatic STOP
signal input
24 Ignition switch (ACC) power supply
25 Headlamp switch backup input
26 Windshield wiper switch backup input
27 Windshield wiper (low-speed) output
28 Windshield wiper (high-speed) output
SWS -
Troubleshooting
Checking requirements
Any time
Any time
Any time
Any time
-
Windshield wiper low or high-speed
switch: ON
Ignition switch: ON
Headlamp switch: ON
Checking requirements
-
When headlamp (high-beam) ON
Any time
Any time
When headlamp (low-beam) ON
Any time
When tail lamps ON
-
When windshield washer operating
Any time
When windshield wiper operating
Ignition switch: ACC
Headlamp switch: ON
Windshield wiper low or high-speed
switch: ON
When windshield wiper operating (at
low-speed)
When windshield wiper operating (at
high-speed)
Normal condition
System voltage
0 - 12 V (pulse
signal)
0 - 12 V (pulse
signal)
0 V
-
0 V
System voltage
0 V
Normal condition
-
System voltage
System voltage
System voltage
System voltage
System voltage
System voltage
-
System voltage
0 - 12 V (pulse
signal)
System voltage
System voltage
0 V
0 V
System voltage
System voltage