Black (Bk) - Toro Greensmaster TriFlex 3300 Manual

7. Use a multimeter to test the resistance between the following pair of locations:
Location Harness
1 Seat
2 Seat
CAUTION
Overtightening the harness connector retaining fastener will damage the primary TEC
controller.
After you plug connector P01 back into the TEC, torque the retaining fastener for P01
to 25–28 in-lbs.
Pass The resistance measurement was good.
•
Plug connector P02 in to the temperature sender.
•
Go to Step 5.
Fail The resistance measurement was not good. Repair or replace worn or damaged parts as
required. Go to
Step 5: Swap the primary TEC with a known good unit.
Note:
TEC controllers are programmed to specific machine model and serial numbers. TEC controllers do not
function until programmed by Toro DIAG.
There are three procedures that you need to accomplish as part of replacing a TEC. Refer to
Electronic Controller (TEC) (page
1. Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
2. Replace the TEC. (page 24)
3. Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25)
4. Duplicate the operation of the machine when the fault occurred with the original primary TEC.
The fault no longer
repeats.
The fault still repeats.
Pin
Connector
P01 26
P01 38
Returning the Machine to Service (page 21)
23).
Go to Returning the Machine to Service (page 21)
Reinstall the original primary TEC controller. Repeat the diagnostic process for
this fault.
Wire Expected
Color Reading
Black
Within a
(BK)
few ohms
(Ground)
of the
reading
taken in
White (W)
Step 3.
100
Connector Graphic
and follow the steps listed.
Replacing a Toro
and follow the steps listed.