Toro Greensmaster TriFlex 3300 Manual page 183

1. Primary TEC-5001 controller
2. Main harness connector P01
6. Use a multimeter to test the resistance between the following pair of locations:
Location Harness
1 Main
2 Main
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. Go to Step 4.
Fail The resistance measurement was not good. Repair or replace worn or damaged parts as
required. Go to
Step 4: Swap the primary TEC-5001 controller 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)
Figure 105
Connector Pin
P01 22
(Ground)
P01 42
Blue (BU)
Returning the Machine to Service (page 21)
23).
3. Socket-head screw
Wire Expected
Color Reading
Black
Within one
(BK)
ohm of the
reading
taken in
Step 2,
substep 6.
and follow the steps listed.
183
Connector Graphic
Replacing a Toro
g237657