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Operating Instruction
Mode instruction
The auto tester have four modes, the four
EN
modes can be selected by depressing the
mode select button and cycling through
each one.
1. Voltage meter, measuring range: Ov-60v.
2. Locate missing Cylinders.
3. Measuring frequcuency of the ignition
pulses.
4. Peak Detection.
Power Connection
1. Hook up the black power clip to the nega-
tive of the vehicle battery.
2. Hook up the red power clip to the positive
of the vehicle battery.
Self-Test
If the the multi functional auto tester is working
correctly, the condition should be followed:
1. Red LED should be on when the
technician push the polar switch
forward (toward the positive side).
2. Green LED should be on when the
technician push the polar switch back-
ward.(toward the negative side).
Polarity Test
1. If the the multi functional auto tester tip is
contacting with positive pole, the red LED
will be on.
2. If the the multi functional auto tester tip is
contacting with negative pole, the green
LED will be on.
3. If the the multi functional auto tester tip is
contacting with open circuit, neither LED
will be on.
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Conductivity Test
By using the multi functional auto tester tip
assisting with ground test lead, technician
can test the conductivity between wires or
components wh ich has been disconnected
from the vehicle electrical system. If the cur-
rent is conductible between wires or compo-
nents, the green LED should be on.
Activate the components with automotive
electrical system disconnected By assisting the
multi functional auto tester tip with the ground
test lead, technician can activate the testing
components with auto motive electrical sys-
tem been disconnected. This function can be
used to test light, cooling fans, and fuel pumps
etc. To do this, please follow the procedure:
1. Connect the ground test lead with the
negative pole of the components
2. Contact the multi functional auto tester
tip with the positive pole of the compo-
nents. If the green LED is on, it means
the testing component is conductible.
3. As the green LED goes on, please press
the polar switch forward and then release
it quickly.
If the LED goes from green to red, you may
proceed further testing. If the green LED
turns off and red LED doesn't turns on, or
if the circuit breaker of the short circuit pro-
tection tripped, it means the multi functional
auto tester has overloaded. This may due to
the following reasons:
The component is short circuit or it
has been connected to the ground/
negative pole directly.
The component is a high current
component.
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