Replacing A Toro Electronic Controller (Tec) - Toro Reelmaster 5010-H Diagnostic Manual

Replacing a Toro Electronic Controller (TEC)

There are three procedures in this section that you must accomplish as part of replacing a TEC.
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)
Use Toro DIAG to save the machine timers and counters file out of
the machine.
Save the timers and counters file (the TD2 file) out of the machine and then later restore it into the replacement
TEC so that none of the machine information (e.g., running hours, etc.) is lost.
1. Remove the access panel from the outer cover of the control arm
been done as part of troubleshooting.)
2. Connect a PC with Toro DIAG software to the machine through a Toro DIAG cable (Part No. 115-1944).
Refer to Toro DIAG - Quick Start (page
3. Use the Toro DIAG software to save the timers and counters file out of the machine. Refer to the Controller
Reformatting section of the Toro DIAG User's Guide.
4. Disconnect the Toro DIAG cable from the CAN diagnostic port.
Replace the TEC-5002.
1. Remove the 6 fasteners that secure the outer cover to the control arm
1. Fasteners
2. Remove the outer cover from the control arm.
3. Loosen the fastener that secures seat harness connector P75 to the TEC-5002 and unplug the connector
(Figure 12).
4. Remove the 4 fasteners that secure the TEC-5002 controller to the control arm
24).
Figure 11
2. Fastener with self-locking nut
26
(Figure 9). (This may have already
(Figure 11).
(Figure 12).
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