TROUBLESHOOTING AND ELECTRICAL SYSTEM: 800 AND 810 GAS
Test Procedures
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
Page 11-17
11
TEST PROCEDURE 8 – STARTER/GENERATOR (STARTER FUNCTION)
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 posi-
tion. Chock the wheels.
2. Disconnect the battery cables as instructed.
See WARNING “To avoid unintentionally starting...” in
General Warning on page 1-2
.
3. Check that wires are connected correctly and are tight. If they are not, rewire or tighten as necessary.
4. Disconnect the wires from all the terminals on the starter/generator. Then place the black (–) probe of a
multimeter, set to ohms, on the starter/generator housing (scratch through the finish to ensure a good
ground). While holding the black probe against the housing, place the red (+) probe (one at a time) on
the A1, A2, F1, F2 and DF terminals respectively
(Figure 11-15, Page 11-18)
. The readings should be
no continuity. If the readings are incorrect, the starter/generator will need to be removed from the vehicle
and disassembled by a qualified technician.
See Starter/Generator Removal, Section 13, Page 13-1.
-
An incorrect reading from the A1 or A2 terminal indicates three possible problems: 1) a grounded A1
or A2 terminal, 2) a grounded wire in the brush area, or 3) a grounded armature/commutator.
-
If the F1 or F2 reading is incorrect, it indicates a possible grounded F1 or F2 terminal or a grounded
field coil.
-
If the DF reading is incorrect, it indicates a possible grounded DF terminal or a grounded field coil.
5. Disconnect the ground wire from the A2 terminal and the green wire from the A1 terminal on starter/gen-
erator.
6. Using a multimeter set to 200 ohms, place the red (+) probe on the A1 terminal and the black (–) probe
on the A2 terminal. The reading should be continuity. If the reading is incorrect, a possible open or poor
contact in a brush assembly and/or open armature windings may be the cause. The starter/generator will
need to be removed from the vehicle and disassembled by a qualified technician.
See Starter/Generator
Removal, Section 13, Page 13-1.
7. With the wires still disconnected, using a multimeter set on 200 ohms, place the red (+) probe on the F1
terminal and the black (–) probe on the F2 terminal. The reading should be between approximately 0.1
and 0.3 ohms. If the reading is incorrect, a possible open field coil or bad connections at terminals may
be the cause. The starter/generator will need to be removed from the vehicle and disassembled by a
qualified technician.
See Starter/Generator Removal, Section 13, Page 13-1.
8. With the wires still disconnected, using a multimeter set to 200 ohms, place the red (+) probe on the DF
terminal and the black (–) probe on the F1 terminal. The reading should be between 4.5 and 5.5 ohms.
If the reading is incorrect, a possible grounded DF terminal and/or grounded field coil may be the cause.
The starter/generator will need to be removed from the vehicle and disassembled by a qualified techni-
cian.
See Starter/Generator Removal, Section 13, Page 13-1.
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