Test Harness - Yamaha F100A Service Manual

– +
ELEC
Å
ı
1
ELECTRICAL ANALYSIS
2 3
When measuring the peak voltage, con-
nect the peak voltage adaptor to the digi-
tal tester and switch the selector to the
DC voltage mode.
NOTE:
Make sure that the adaptor leads are
properly installed in the digital circuit
tester.
Make sure that the positive pin (the "+"
mark facing up as shown) on the adaptor
is installed into the positive terminal of
the tester.
The test harness is needed for the follow-
ing tests.
Å Voltage measurement
ı Peak voltage measurement

Test harness

YB- 90890- Pin
1 06443 06757
2 38832 06772
3 06770 06770
Checking steps:
Disconnect the coupler connections.
Connect the test harness between the
couplers.
Connect the tester terminals to the ter-
minals which are being checked.
Run the engine and observe the mea-
surement.
8-7
E
Usage
3 Throttle position
sensor (TPS)
6 Pick-up coil
3 Charge coil