Winnebago 1987-1989 LeSharo Service Manual page 149

Test
Conditions
Test Points Results
1.Starter
motor Voltmeter
test
probes
8 - 12 volts
engaged
between 01-4 (+) and 01-3
coolant
(-)
w 25°C (77°F)
same as test 9 Voltmeter
test
probes
Oscillating voltage (pulses)
between 01-1 (+) and 01-3
(-)
1. Engine running
Voltmeter test
probes
6.8
volts (approx.)
Note 2. Coolant
temp.
between 02-2 ( + ) and 02-7
voltage for test 12 and test
below 25°C (77°F)
(-)
13
temp. below 250°C (480°F)
1. Engine running at
Voltmeter test
probes 6.8 - 7.8 volts (approx.) 800-850 rpm
between 02-2 (+) and 02-7
Voltage from test 11
+ 1
2.Coolant
temp.
(-)
volt tolerance.
3. Oxygen
(02)
sensor
temp. above 250°C (480°F)
1. Increase
engine
Voltmeter
test
probes
6.8 volts (approx.)
Same
speed to 3500 rpm between 02-2 (+) 02-7 (-)
result as test 11. and
rapidly close
throttle plate (idle
position)
C5-6
r