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
58/72
Capitel
Docu-No.
Index
Date
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Trouble shooting program EDC
CAN - Interface Pump Control Module A020 (Test 41)
Failure Code (Fendt):
1.2.CB
Text-module
Failure location (MAN):
CB
Text-module
Failure display:
Message on Dashpanel
Text-module
Failure path:
CAN-Signal to e Pump Control Module A020 (Timeout)
Text-module
Consequences:
Engine runs Idle. After 5seconds Pedal Position sensor Will be activated. Memory Keys , Hand throttle
and terminal settings will be inactive.
Text-module
Possible Origin:
Wiring Discontinuity, Short Circuit, Control module Failure, Injectionpump Failure
Text-module
Remark 1:
Before Replacing any Pump or Control Module, failure Codes must l be analyzed and then deleted.
In case of several Failure Codes, check first the Test procedures wich are not requesting a replacement
of the Control Module or of the pump.
Text-module
Test conditions:
Adaptor Box with Adaptor Connectors connected
Ignition "OFF"
Text-module
Use wiring diagrams wich are corresponding to the tractor
Text-module
Test
Measurement
Trouble shooting
EDC Control Module
(A021)
Check resistance with adaptor box with
adaptor Connectors between Pin A27
and A24
- Record Failure and ambient Para-
meters with FENDIAS
Requested Value: 60 Ohm
- Delete Failure Code Memory with
FENDIAS
Failure Conditions: No Indications
available
- Check again with FENDIAS
- approx. 0 Ohm Short Circuit from
CAN-H to CAN-L
- approx. 120 Ohm contact to End re-
sistor is discontinued
- if Failure persists, Replace Control
Module (XXXX)
Injection Pump
- Document failure ( including atmo-
spheric parameters) using FENDIAS
- Delete Failure Code Memory with
FENDIAS
- Check again with FENDIAS
- If Failure persists, Replace Injection
Pump
