Control System
52
Service Manual – Scrubtec R 253 - RA40
Shop Measurements - Display Electronic Board (EB2) (continues)
J2 12 way ribbon connector
Figure 45
FRONT
J2
PIN
Color
Circuit Description
Measured
Comments
1
Power supply - common
0.007V
2
HORN button (P3)
3.1V
Not pressed
0.03V
Pressed
3
EDS button (P2) Solution Button
3.1V
Not pressed
0.03V
Pressed
4
DETERGENT MIX button (P1)
3.1V
Not pressed
0.1V
Pressed
5
BRUSH / EXTRAPR. button (P4)
3.1V
Not pressed
0.07V
Pressed
6
VACUUM button (P5)
3.1V
Not pressed
0.06V
Pressed
7
BRUSH RELEASE button (P6)
3.1V
Not pressed
0.04V
Pressed
8
ON/OFF button (P0)
22.1V
Not pressed
0.02V
Pressed
9
3.1V
10
3.1V
11
REVERSE GEAR button (P7) (Blue
models only)
3.1V
Not pressed
0.06V
Pressed
12
Dashboard configurator
3.1V
Gray model
0.01V
Blue model
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