11
Test Procedures
TROUBLESHOOTING AND ELECTRICAL SYSTEM:
KEY-START WITH NEUTRAL REV GAS VEHICLE
TEST PROCEDURE 4 – Key Switch (Starter Circuit)
See General Warning on page 1-1.
1.
Turn the key switch OFF and remove the key. Place the Forward/Reverse handle in the NEUTRAL position.
Chock the wheels.
2.
Disconnect battery and spark plug wire(s).
See Disconnecting the Battery – Gasoline Vehicles, Section
3.
Remove the instrument panel.
See Key Switch Removal, Section 13, Page 13-17.
4.
Ensure that the connector is connected correctly and is tight. If it is not, repair or replace as necessary.
5.
Insert the key and turn the key to ON. Place the red (+) probe of the multimeter on the (B) terminal and the black
(–) probe on the (L) terminal of the key switch. The reading should be continuity. If the reading is incorrect,
replace the key switch
See Key Switch Removal, Section 13, Page 13-17.
6.
With the key still in the ON position, place the red (+) probe of the multimeter on the (B) terminal and the black (–)
probe on the (S) terminal of the key switch. The reading should show no continuity. If the reading is incorrect,
replace the key switch.
See Key Switch Removal, Section 13, Page 13-17.
If the reading is correct, leave
the probes connected and proceed to the next step.
7.
Insert the key and hold the key in the START position. The reading should be continuity. If the reading is incorrect,
replace the key switch
. With the red (+) probe of the multimeter on the (B) terminal
and the black (–) probe on the (L) terminal of the key switch, the reading should be continuity. If either reading is
incorrect, replace the key switch.
See Key Switch Removal, Section 13, Page 13-17.
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
M
B
L
G
S
Reading with key switch in the ON position.
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
M
B
L
G
S
Reading with key switch in the START position.
Figure 11-8
Key Switch Test – Accessory Terminal
Figure 11-9
Key Switch Test – Starter Circuit
TEST PROCEDURE 5 – Key Switch (Accessory Terminal)
See General Warning on page 1-1.
1.
Turn the key switch OFF and remove the key. Place the Forward/Reverse handle in the NEUTRAL position.
Chock the wheels.
2.
Disconnect battery and spark plug wire(s).
See Disconnecting the Battery – Gasoline Vehicles, Section
3.
Remove the instrument panel.
See Key Switch Removal, Section 13, Page 13-17.
4.
Ensure that the connector is connected correctly and is tight. If it is not, repair or replace as necessary.
5.
Insert the key and turn the switch to the ON position. With the multimeter set to 200 ohms, place the red (+)
probe of the multimeter on the (B) terminal and the black (–) probe on the (L) terminal of the key switch
. The reading should be continuity. If the reading is incorrect, replace the key switch.
Switch Removal, Section 13, Page 13-17.
Page 11-14
2007-2009 Turf 252, Carryall 252 and XRT 900 Maintenance and Service Manual