ELECTRICAL SYSTEM AND TESTING: ELECTRIC VEHICLE
Troubleshooting
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
Page 21-11
21
Batteries / Voltage Check with the Diagnostic Handset
1. Connect the handset to the vehicle.
See Plugging the Handset into the Vehicle on page 22-1.
2. Access the Test menu and select BATT VOLTAGE by using the SCROLL DISPLAY buttons. The handset
should indicate at least 48 volts with the batteries fully charged. If not, check for loose battery connec-
tions or a battery installed in reverse polarity. Refer to Section 24 – Batteries: Electric Vehicles, for fur-
ther details on battery testing.
Batteries / Voltage Check without the Diagnostic Handset
With batteries connected and using a multimeter set to 200 volts DC, place red (+) probe on the positive (+)
post of battery no. 1 and the black (–) probe on the negative (–) post of battery no. 4
(Figure 21-3,
Page 21-11)
. The multimeter should indicate at least 48 volts with the batteries fully charged. If not, check for
loose battery connections or a battery installed in reverse polarity. Refer to Section 24 – Batteries: Electric
Vehicles, for further details on battery testing.
TEST PROCEDURE 2 – ONBOARD COMPUTER SOLENOID LOCKOUT CIRCUIT
See General Warning on page 1-1.
The solenoid lockout circuit disables the vehicle when the battery charger is plugged into the vehicle. Use the
following procedure to test the solenoid lockout circuit:
1. With batteries connected, place the Tow/Run switch in the RUN position.
2. Set a multimeter to 200 volts DC. Place black (–) probe on battery no. 4 negative post and red (+) probe
(with insulation-piercing probe) on the blue onboard computer wire (at a point between the OBC and the
six-pin connector). The reading should be approximately 48-50 volts (full battery voltage). If the reading
is not 48-50 volts, proceed to step 3. If the reading is 48-50 volts, proceed to Test Procedure 3 – Solenoid
Activating Coil on page 21-12.
3. Place insulation-piercing probe on the light blue 18-gauge wire at a point between OBC six-pin connector
and main wire harness. If reading is 48-50 volts, check the wire terminal connectors inside six-pin con-
nector at OBC six-pin connector. Make sure pins are properly aligned inside housing. Make sure wire col-
ors match and are connected to the correct terminals.
Figure 21-3 Battery Voltage Test
P
O
S
NEG
P
O
S
NEG
P
O
S
NEG
P
O
S
NEG
4
3
2
1
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