Before Starting Engine; When Starting Engine Or Just After Engine Start - Winnebago 1987-1989 LeSharo Service Manual

Date, _
Unit _
serial Technician
------
No.
Engine Serial No. _
SECTION II When Starting Engine or Just After Engine Start
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Actual Result
&
Notes
Actual Result
&
Notes Normal Result
R
=
00
R 2000
R=OQ
R """ 2000
Q
R
=
0
Q
Normal Result
6p must remain at
the same value
8-12 volts. After
a few seconds must
be 0 volts.
8-12 volts during
3 seconds after
crank operation.
Valve must
remain closed
Closed throttle
Slightly open throttle
Wide open throttle
Closed throttle
Engine Parameters
Coolant temperature
between 66D and 9SDF
Engine cranking
Engine cranking and
just after
Coolant temperature
(S9DF,
engir~ running
Engine Parameters
Check
Vacuum pUITfl:
Ap on common hose
Check
Voltage between
pins 9 and 10
Visual check with engine
RPH i"crease
Resistance between
pins 13 and 7
Resistance between
pins 6 and 7
Without tach. relay
(electrical modification)
--------------------------
Voltage between pins of
solenoid wire harness
connector
2) Full load switch
SECTION I Before Starting Engine
I
Corrponent
C)
Electronic ignition
therrrovalyes
A.) I
c.oolant temperature
lResistance between lCoolant terrperature
sensor pins 12 and 7 between' 50° 8. 86°F
B5-Th;~~~1~-~~;i~i~~-;~i~~h- -------------------------- --------------------------
1) Idle sl/itch
COITflonent
A)
Cold start injector
B)
Fast idle solenoid
C)
Ern
n
VI
I
00
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