![background image](http://html1.mh-extra.com/html/fendt/favorit-900/favorit-900_workshop-manual_4001870517.webp)
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
12/72
Capitel
Docu-No.
Index
Date
Version
Page
Trouble shooting program EDC
Pedal Position Sernsor B038 to EDC Control Module A021 (Test 1)
Failure Code (Fendt):
1.2.81
Text-module
Failure location (MAN):
81
Text-module
Failure display :
Message on Dashpanel
Text-module
Failure path:
Pedal Position Sensor
- Signal to High
- Signal to low
Text-module
Consequences:
During normal CAB - BUS Operation: Only Failure Code Display
During Operation without CAN - BUS : Engine runs Idle speed
Text-module
Possible Origin:
Dicontinued wire, Short Circuit, Voltage Supply Failure, Pedal Position Sensor Failure, EDC Control
Module failure
Text-module
Test Conditons:
Adaptor box with adapting connectors connected
Ignition "ON"
FENDIAS
Text-module
Use wiring diagrams wich are corresponding to the tractor
Fendt Component Identification:
B038 (Pedal Position Sernsor)
Fendt Connector Identification:
X189 (Pedal Position Sernsor) 1: Earth, 2: 5V Supply, 3: Signal
Test
Measurement
Trouble shooting
Voltage supply
Check Voltage with adaptor box with ad-
aptor Connectors between Pin B16 (+)
and Pin B35 (-) on EDC Control Module
A021, Connecter X048 .Check Wires
WM1732, WM 1731 .
- Record Failure and ambient Para-
meters.
- Delete Failure Memory
- Test again
- Check Wires
Requested value: 4,5 - 5.2 V
- Check Connectors
Check Voltage supply/Earth A021 .
If no failure can be identified, replace
EDC Control Module
Potentiometer Signal
Check Voltage with adaptor box with ad-
aptor Connectors between Pin B23 (+)
and Pin B35 (-) on EDC Control Module
A021, Connector X048.
- Record Failure and ambient Para-
meters.
Delete Failure memory
- Check again
Check Wires WM WM1733, WM 1731
Check Wires
Check Signal using FENDIAS.
Check Connectors
Requested values:
- Mecanical Link from Pedal to Posi-
tion sensor
Idle Position: 0,3 - 0,7 V
- Pedal Positon Sensor Adjustment
Full Power Position: 4,0 - 4,5 V
- If Adjustment is not feasable, Re-
place Pedal Position Sensor