Wheel System, Traction
151
Service Manual – Condor
™
EcoFlex
™
, BR 1100/1300 EcoFlex
™
Diagnostics Method B
Method B uses the optional hand-held Curtis programmer model 1307, or the new model 1311 MP1101
With a programmer, diagnostics and troubleshooting is more direct than with the detergent system LED
indicator alone The programmer presents complete diagnostic information in plain language with no codes
to decipher Faults are displayed in the Diagnostic Menu, and the status of the controller inputs/outputs is
displayed in the Test Menu
The following four-step process is generally used for diagnosing and troubleshooting an inoperative vehicle:
1 Visually inspect the vehicle for obvious problems
2 Diagnose the problem using the programmer
3 Test the circuitry with the programmer
4 Correct the problem Repeat the last three steps as necessary until the vehicle is operational
For example: A vehicle that does not operate in “forward” is brought in for repair
1
Examine the vehicle and its wiring for any obvious problems such as broken wires or loose connections.
2 Connect the programmer, put it in diagnostic mode and read the displayed fault information In this
example, the display shows “No Faults Present”, indicating that the controller has not detected anything
out of the norm
3 Put the programmer in the test mode and observe the status of inputs and outputs in the forward
direction In this example, the display shows that the forward input did not activate when “forward” was
selected, which means the problem is either in the electronic throttle or the throttle wiring
4
Check or replace the electronic throttle and wiring and repeat the test. If the programmer shows the
forward switch closing and the vehicle now drives normally, the problem has been corrected
Refer to the
Status LED Fault Codes
section for suggestions covering a wide range of possible faults
Diagnostic History
The handheld programmer can be used to access the controller’s diagnostic history file. Connect the
programmer, press the
MORE INFO
key. While continuing to hold the
MORE INFO
key, press the
DIAGNOSTICS
key. The programmer will read out all the faults that the controller has experienced since the last time the
diagnostic history file was cleared. The faults may be intermittent faults, faults caused by loose wires or
faults caused by operator errors Faults such as HPD or over-temperature may be caused by operator habits
or by overloading
After a problem has been diagnosed and corrected, it’s advisable to clear the diagnostic history file. This
allows the controller to accumulate a new file of faults. By checking the new diagnostic history file at a later
date, you can readily determine whether the problem was indeed completely fixed.
To clear the diagnostic history file, go to the Special Program Menu (by pressing and holding the
MORE INFO
key, and then pressing the
PROGRAM
key). Scroll through the menu until
Clear Diagnostic History
is the top
line in the display, then press
MORE INFO
again. The programmer will prompt you to acknowledge or cancel.
See the Curtis programmer manual 56043101 for more detail on programmer operation
Service Note:
The text used above in the descriptions of the Curtis programmer usage is that used
for the original (older) model 1307. Reference the manual 56043101 for the correct
usage terminology for the new model programmer 1311.