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8-11
–
+
ELEC
E
ELECTRICAL ANALYSIS
●
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
Å
ı
Test harness (for pulser and charge coils)
Test harness:
YB-38832/90890-06772
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.
●
Start or crank the engine and observe
the measurement.