Toro Reelmaster 5010-H Diagnostic Manual page 44

2. Use a multimeter to test the resistance between the following pairs of locations:
Location Harness
1 Main
2 Seat
1 Seat
2 Seat
1 Seat
2
Seat
Pass The wiring tested good. Go to Step 5.
Fail The wiring did not test good. Repair or replace the damaged wiring. Go to
Service (page 22)
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 machine. (page 26)
2. Replace the TEC-5002. (page 26)
3. Use Toro DIAG to Program the TEC-5002. (page 27)
The fault no longer
repeats.
The fault still repeats.
Pin
Connector
P04 4
P75 1
P75 1
P75 9
P75 1
P75 31
and follow the steps listed.
26).
Go to Returning the Machine to Service (page 22)
Reinstall the original primary TEC controller. Repeat the diagnostic process for
this fault.
Wire Expected
Color Reading
Red
Less than
2 ohms
Gray/
Black
Gray/
Black
Less than
2 ohms
Brown/
White
Gray/
Black
Less than
2 ohms
Tan/
Black
44
Connector Graphic
Returning the Machine to
Replacing a Toro
and follow the steps listed.