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Electronics / General system
Functional description of sensors and ECU A002
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02.11.2000
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Functional description of sensors and ECU A002
Functional description of components with digital output on ECU
Text-module
The enhanced controls ECU A002 delivers a voltage of:
0 VDC or 12 VDC (black - white) to energise the solenoid valves.
In the event of a mechanical or electrical fault in the component or cable loom,
the component is briefly energised, then the ECU detects the fault and switches the voltage off.
Text-module
Functional description of components with an ECU pulse width output
Text-module
The enhanced controls ECU A002 delivers a voltage of
0 VDC or 12 VDC to energise the solenoid valves.
The voltage increase to 12 VDC or the voltage shutoff to 0 VDC is proportional .
In the event of a mechanical or electrical fault in the component or cable loom, the component is briefly
energised, then the ECU detects the fault and switches the voltage off.
Sensors with digital output
Y002
Speed range I solenoid valve
Y003
Speed range II solenoid valve
Y010
Diff. lock solenoid valve
Y009
4WD solenoid valve
Y013
Lower suspension solenoid valve
Y014
Raise suspension solenoid valve
Y033
"Charge/flush suspension" solenoid valve
Y028
PTO stage III solenoid valve
Sensors with pulse width output
Y004
Neutral / turboclutch solenoid valve
Y005
Speed governor solenoid valve
Y006
Exhaust brake solenoid valve
Y008
Rear PTO clutch solenoid valve
Y011
Front PTO clutch solenoid valve
Y026
PTO stage I solenoid valve
Y027
PTO stage II solenoid valve
Y032
Solenoid valve for control pressure of spool valves