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
57/72
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Trouble shooting program EDC
Pump Control module A020 - System Voltage (Test 40)
Failure Code (Fendt):
1.2.B3
Text-module
Failure location (MAN):
B3
Text-module
Failure display:
Message on Dashpanel
Text-module
Failure path:
Voltage Supply Pump Control Module, Safety relay
Text-module
Consequences:
Engine stops
Engine does not start
Text-module
Possible Origin:
Wire disruption, Short Circuit
Text-module
Test Conditions:
see further
Text-module
Use wiring diagrams wich are corresponding to the tractor
Text-module
Test
Measurement
Trouble shooting
Voltage Supply
Voltage Test on Harness connector to
(XXX) PSG between Pin 7 (+) and Pin 5
(-)
- Record Failure and ambient Para-
meters with FENDIAS
Requested value:U Bat
Failure Thresholds U< 7V or U > 32V
- Delete Failure Code Memory with
FENDIAS
Failure Conditions:
- Check again with FENDIAS
- Check Wires
- Check Connectors
- Check Safety relay
Solenoid resistances of
safety relay K324
(MAR)
Ignition "ON"
- Record Failure and ambient Para-
meters with FENDIAS
Check Voltage with adaptor box with ad-
aptor Connectors between Pin B18 and
Pin B2
- Delete Failure Code Memory with
FENDIAS
Requested Value : U Bat.
- Check again with FENDIAS
Ignition "OFF", disconnect EDC Control
Module. Check Resistance with Adaptor
Box and Adaptor Connectors between
Pin B18 and Pin B1
- Check wires
Requested Value: 58 - 72 Ohm
- Check connectors
- Replace safety Relay
