Fault 53: Sv1 Out - Toro Reelmaster 5010-H Diagnostic Manual

Fault 53: SV1 Out

InfoCenter Display:
Fault Description
The output current is too high from the TEC-5002 to the SV1 hydraulic lift/lower solenoid.
Circuit Description
The TEC controller uses inputs from various machine switches to determine when lift manifold solenoid valves
(SV1, SV2, SV3, and SVRV) are to be energized.
Conditions for Setting the Fault
There must be an electrical failure in the SV1 circuit to trigger this fault. It could be damaged wiring, a shorted
coil, or a malfunctioning TEC-5002 controller.
Recommended Service Actions
Step 1: Verify that the fault repeats.
1. Clear the system faults from the InfoCenter. Refer to
2. Operate the machine.
Pass The fault did not repeat. Go to
Note:
If the fault does not repeat, an isolated event has occurred.
Fail The fault repeated. Go to Step 2.
Step 2: Test the wiring and coil resistance of SV1
Use a multimeter to test the resistance between the following pair of locations:
Location Harness
1 Seat
2
Pass The measurement was good. Go to Step 5.
Fail
The measurement was not good. Go to Step 3.
_____FAULT
Returning the Machine to Service (page 22)
Connector Pin
P75 3
Chassis ground
#53_____
SV1
OUT
Clearing Faults from the InfoCenter (page
Wire Expected
Color Reading
White/
Blue
Approx.
10 ohms
186
21).
and follow the steps listed.
Connector Graphic