![background image](http://html1.mh-extra.com/html/fendt/favorit-900/favorit-900_workshop-manual_4001870575.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
70/72
Capitel
Docu-No.
Index
Date
Version
Page
Trouble shooting program EDC
Exhaust brake (Test 52)
Failure Code (Fendt):
none
Text-module
Failure location (MAN):
None
Text-module
Failure display:
none
Text-module
Failure path:
Exhaust Brake , Exhaust Brake Control Pushbutton
Text-module
Consequences:
No Exhaust brake Function
Text-module
Function:
Control of Exhaust Brake occurs depending on Engine speed via Pin A18 (Output) of EDC Control
Module.
Activation occurs by putting Power on Pin B?? (Input) of Side console A004 by pressing Pushbutton
(XXXX) of Exhaust brake
Text-module
Possible Origin:
Wiring discontinuity, Short Circuit, Exhaust brake failure
Text-module
Test condition:
Adaptor box with adapting coonnectors connected
Text-module
Use wiring diagrams wich are corresponding to the tractor
Text-module
Test
Measurement
Trouble shooting
Voltage supply of Ex-
haust brake Pushbut-
ton (XXX)
Ignition "ON"
- Check Wires
Check Voltage with adaptor box with ad-
aptor Connectors between Pin B14 (+)
and Pin B1/2 (-)
- Check Connectors
Requested Values: Pusbutton (XXXX)
Exhaust brake pressed: UBat
- Connecting bridge on ZE (???), Spot
61 inserted?
Failure Conditions:
- Replace Pusbutton (XXXX) Exhaust
brake
Solenoid Valve Exhaust
Brake
Check Voltage with adaptor box with ad-
aptor Connectors
- Check Wiring
between Pin A18 (+) and Pin B1/2 (-)
- Check connectors
Start engine and run it at approx. 1100
Rpm.
- replace Solenoid Valve Exhaust
brake
Requested Values: Pusbutton (XXX)
Exhaust Brake pushed, : U Bat. Exhaust
brake must be activated
- If no failure can be identified, Re-
place Control Module