Fav 900
Engine / Systems
Trouble shooting program EDC
B
Faults
Fav 900 chassis number 23/3001 and up
16.11.2000
2000
000001
B
b
5/72
Capitel
Docu-No.
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Date
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Trouble shooting program EDC
CAN -Message Pedal Position Sensor B038 to EDC Control Module A021
Failure Code (Fendt):
1.1.01, evtl. 4.2.81
Text-module
Failure location (MAN):
not available, eventually Failure location 81
Text-module
Failure display:
Message on Dashpanel
Text-module
Failure path:
Pedal Position Sensor B038
- Signal to high
- Signal to low
Text-module
Consequences:
During normal Operation with CAN-Bus: Only Failure Display. If Aditionally Pedal Positon Sensor B029
fails , last identified value will be kept . Engine Stop only via terminal 15 . During Operation without CAN
- Bus: Engine Speed will be brought to idle according to ramp.
Text-module
Possible Origin:
Wiring discontinuity, Short Circuit, Voltage supply failure, Pedal Posuition Sensor Failure, EDC -
Control Module Failure, Control Module A021 not Connected or Fuse for Control Module A021 is
burned.
Text-module
Test Conditons:
Adaptor box and adaptor Connectors connected, FENDIAS, Ignition "ON"
Text-module
Use wiring diagrams wich are corresponding to the tractor
Fendt Component Identification:
B038 (PWG)
Fendt Connector Identification:
X189 (PWG), 1: Earth, 2: 5V Supply , 3: Signal
Test
Measurement
Trouble shooting
Voltage supply
Check Voltage with Adaptor box and ad-
aptor Connectors between Pin B16 (+)
and Pin B35 (-) on Control Module A021,
Connector X048 .
- Check wiring
- Check connectors
- In no failure can be identified, Re-
place EDC Control Module A021
- Check fuse for A021
Check CAN-Bus Connection A002 to
A021
Check wirings WF 1732, WF 1731
Requested Value: 4,5 - 5,2 V
Sensor Signal
Check Voltage with Adaptor box and ad-
aptor Connectors between Pin B23 (+)
and Pin B35 (-) on Control Module A021,
Connector X048 .
- Check Wiring
-Check Connectors
- Adjust mecanical link betwenn Pe-
dal and Position Sensor
Check Wires WF 1733, WF 1731
- If Adjustment is not Possible, re-
place Pedal Position Sensor
Check Signal with Diagnostic Program
- Check fuse (XXX) for A021
Requested Values:
Check CAN - Bus Connection A002 to
A021
Idle Position: 0,3 - 0,6 V
Full Power Position: 4,0 - 4,5 V
Threshold values: U < 0.3V or U > 4,8V