SK-8402
取扱説明書(英文)
_P24
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24
NORMAL TEST
1. Measurement Flow Chart
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Start the engine.
Heater
cable or power supply
cable have the proper
voltage?
Is there heater cable
or power supply cable?
Is the test lead con-
nected to the unit?
Is bar graph blinking?
Is A/F sensor or Rear
O2 sensor measuring?
Select O2 sensor type.
Turn on the instrument.
Connect test lead to the instrument.
Check the circuit or connect-
ing of heater cable or power
supply cable.
Connect check harness to test lead,
keep constant engine speed at approx.
2,500rpm for a few minutes to warm
up the O2 sensor.
Keep constant engine speed
at approx. 2,500rpm for 30
seconds or more, and measure.
Read the test result by bar graph.
【
GOOD
】
: No problem
【
CHECK
】
: Replacement
recommended
【
BAD
】
: Replacement required
Measurement start
Start normal test.
SK-8402 cannot test with bar graph.
Measurement finished.
CAUTION
Make the necessary inspection prior
to measurement in reference to
Preparation For Use in page 18 to 22.
CAUTION
See page 15 for details about the
types of O2 sensors.
CAUTION
See "Check point" in page 31 for
details about the deteriorate
conditions of the O2 sensor.
CAUTION
This flow chart shows the brief outline of the measurement.
When taking the actual measurement, read the contents
mentioned from next clause (from page 25) carefully.