Kohler Courage SV710-740 Service Manual page 70

1. Trace the red power source lead from the DSAM
to the harness connection. Separate the connector
and connect the red lead of a DC voltmeter to the
harness terminal. Trace the ground lead (green)
from the SAM to the grounding screw. Connect
the black voltmeter lead to the eyelet terminal
of the ground lead or the ground screw/bolt.
Check the voltage with the key switch in both the
"START" and "RUN" positions. A minimum of
7.25 volts must be present.
a. If correct voltage is not measured, connect
black voltmeter lead directly to the negative
(-) post of the battery and test voltage again in
both key positions. If correct voltage is now
indicated, check the ground circuit
connections. If the ground screw/bolt or any
other fasteners in the ground circuit are black
(oxide-coated), replace them with zinc plated
(silver colored) fasteners.
b. If correct voltage is still not indicated, check
the harness connector terminal for a good
connection and crimp to the lead. Then trace
the power source circuit back through the
harness, key switch, etc., looking for any poor
connections, or faulty circuits.
2. Disconnect all of the DSAM leads, isolating it
from the engine. Test the DSAM with tester 25
761 40-S, using the instructions following, or use
TT-5152 provided with the tester. If the DSAM
tests bad, replace it.
3. Reattach the DSAM leads, verifying a snug fit at
the ignition module terminals. If any connections
do not feel snug, disconnect the lead, lightly
pinch the female terminal with a pliers, and
recheck the fit.
4. Seal the base of the ignition module connections
with GE/Novaguard G661 (Kohler Part No.
25 357 11-S) or Fel-Pro Lubri-Sel dielectric
compound. The beads should overlap between
the two connections to form a solid bridge of
compound. Do not put any compound inside the
connectors.
5. Test for spark (Test 2) to be sure the system is
working, before you reinstall the blower housing.
If there is still a spark problem on one side,
replace that ignition module and recheck spark.
Use the following procedure to test the digital DSAM
module (previously known as Smart Spark
NOTE: The DSAM must be at room temperature
when tested. Disconnect all of the DSAM
leads, isolating it from the main wiring
harness and the ignition module(s). Testing
may be performed with the module mounted
or loose. The figures show the part removed
from the engine for clarity.
1. Connect the tester to the DSAM as follows:
• Yellow tester lead to the long yellow module
lead.
• Brown tester lead to the long brown module
lead.
• Red tester lead to the red module lead.
• Black tester lead to the green or black module
ground lead with the eyelet* terminal.
• Pink tester lead to the short yellow or pink
module lead.
• Brown tester lead with black band or terminal
to the short brown module lead.
Caution: Do not allow the alligator clip leads to touch
each other.
2. Check the DSAM part number, stamped on the
end of the tester housing, noting the last two
digits. Using those numbers, refer to the table
below or tester faceplate to determine the test
number to be used.
.