Toro Greensmaster eFlex 1800 Diagnostic Manual page 24

If any of the 3 components function correctly, the 12 Vdc supply is working properly and you should focus on a non-operational
component and/or circuit.
Note: For information on how to test the EZ-Turn sensor, refer to the eFlex Service Manual for the machine.
Step 4.1: Test the InfoCenter wire harness connector for 12 Vdc.
Test the InfoCenter wire harness connector
1. Rotate the key switch to the O
InfoCenter.
2. Rotate the key switch to the S
release the key switch to the R
3. Measure the voltage between the main wire harness P17 connector, pin 2, and the main wire harness P04
connector, pin B
4. Rotate the key switch to the O
InfoCenter.
Pin Identification
(Figure
position, and then disconnect the main wire harness P17 connector from the
FF
position and hold it there until the InfoCenter LCD display lights up, then
TART
position.
UN
(Figure 30). The range for a good reading is 10.5 to 13.8 Vdc.
position, and then connect the main wire harness P17 connector to the
FF
Main Wire Harness P17 Connector and InfoCenter Pin Identification
Main Harness P17 Connector
1
2
3
4
5
6
29) by performing the following:
Figure 29
Description
Ground
12 Vdc In
CAN + (High)
CAN – (Low)
Not used
Not used
24
Wire Color
Black (BK)
Pink (PK)
Red/White (R/W)
Black/White (BK/W)
Not used
Not used