Toro Greensmaster e1021 Diagnostic Manual page 66

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Pass
The resistance readings were good.
1.
Leave the key switch in the O
2.
Leave the battery disconnected. Refer to
3.
Plug in harness connectors P01 and P02.
4.
Leave harness connector P05 unplugged.
5.
Go to Step 4.
Fail
One or more of the resistance readings was not good.
1.
Repair or replace any damaged or defective wiring.
2.
Go to
Returning the Machine to Service (page 20)
Step 4: Test the throttle sensor.
Note:
Though the component is referred to as a throttle "sensor", it is actually a potentiometer.
Refer to the Testing the Throttle and Clutch Bail Potentiometers section in the service manual for your machine
(Greensmaster® e1021/e1026 Service Manual or Greensmaster® eFlex® 1021 Service Manual).
Pass
The throttle sensor tested good.
1.
Leave the battery disconnected. Refer to
2.
Install the throttle sensor.
3.
Plug in harness connector P05.
4.
Go to Step 5.
Fail
The throttle sensor did not test good.
1.
Replace the throttle sensor.
2.
Go to
Returning the Machine to Service (page 20)
Step 5: Swap the TEC-2402 controller with a known good unit.
There are 3 procedures in this section that you must accomplish as part of replacing a TEC-2402 controller.
Note:
Depending on troubleshooting that has been accomplished, some steps in these 3 procedures may
already be done.
1.
Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 19)
2.
Replace the TEC-2402. (page 20)
3.
Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 20)
Duplicate the operation of the machine when the fault occurred with the original primary controller.
The fault no longer
repeats.
The fault still repeats.
position.
FF
Go to
Returning the Machine to Service (page 20)
Reinstall the original primary controller. Repeat the diagnostic process for this fault.
Connecting and Disconnecting the Battery (page
and follow the steps listed.
Connecting and Disconnecting the Battery (page
and follow the steps listed.
66
and follow the steps listed.
14).
14).

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