Toro Greensmaster TriFlex 3300 Manual page 326

1. Unplug connector P56 from the back of the InfoCenter.
2. Use a multimeter to test the resistance between the following pairs of locations:
Location Harness
1
Seat
2
1 Seat
2
1
Seat
2 Seat
Pass The power and ground wiring tests passed. Go to Step 5.
Fail One or more of the power and ground wiring tests failed. Repair or replace the worn or damaged
parts. Go to
Step 5: Test the InfoCenter CAN bus wiring.
1. Unplug connector P56 from the back of the InfoCenter.
2. Use a multimeter to test the resistance between the following pairs of locations:
Location Harness
1 Seat
2 Seat
1 Seat
2
1 Seat
2
Pass The CAN bus wiring tests passed. Go to Step 6.
Fail
One or more of the CAN bus wiring tests failed. Repair or replace the worn or damaged parts. Go to
Returning the Machine to Service (page 21)
Step 6: Replace the InfoCenter.
1. Verify that connector P56 is disconnected from the back of the InfoCenter.
2. Unscrew the retaining ring from the back of the InfoCenter.
Connector Pin
P56 2
Chassis ground
P56 1
Chassis ground
P56 1
P56 2
Returning the Machine to Service (page 21)
Connector Pin
P56 3
P56 4
P56 3
Chassis ground
P56 4
Chassis ground
Wire Expected
Color Reading
Pink (PK)
Approx.
75 ohms
Black
(BK)
Less than 2
ohms
Black
(BK) Approx.
75 ohms
Pink (PK)
and follow the steps listed.
Wire Expected
Color Reading
Red/
White
(R/W)
54 to 66
ohms
Black/
White
(BK/W)
Red/
White
Open
(R/W)
(infinite)
Black/
White
Open
(BK/W)
(infinite)
and follow the steps listed.
326
Connector Graphic
Connector Graphic