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Electrics / system in general
S028 - external right rear "Lower" power lift switch
E
Testing
24.04.2001
9000
000096
E
a
1/1
Capitel
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S028 - external right rear "Lower" power lift switch
Text-module
Note:
Switches are connected directly to EPC e-box A005 without intermediate cable coupler.
Note:
Ignition "OFF". Measure resistance directly at switch.
Text-module
Text-module
Note:
Connect e-adapter box X 899899.980.208.100 directly to EPC e-box A005 using adapter cable
X 899.980.208.208.
Ignition "ON".
Voltage measurement refers to earth at pin no.1 at EPC e-box A005
Text-module
Text-module
Pin
Function
1
Power output
2
Power input
3
Not assigned
Switch position
Resistance
0 = rest position
Open
Switch not pressed
Infinite
1 = active
Closed
Switch pressed
approx. 4 ohms
Test
Pin
Target value Condition
Possible cause of fault
+ supply
28
4.8 VDC
Switch not pressed
4.3 VDC
Switch pressed
Earth
1
Signal voltage
51
0 VDC
Switch not pressed
4.3 VDC
Switch pressed
Earth
1
Measuring point on A005 EPC e-box
Pin
Power output
51
Power input
28