Autool BT280 - Relay Test Procedure

keys to adjust the voltage value).
“Time” time parameter.
“HZ” Display test frequency.
Relay wiring connection as figure below:
*Press and hold left key to exit this working mode.
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Instructions
The “VCC” at the top of this interface displays the power
supply voltage value. it shows 2 types of common automotive
relay diagrams (5-terminal relay and 4-terminal relay). Press
“Left” button to move selection, Press “OK” button to view the
wiring connection diagram of these 2 different relays.
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Relay test
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87A
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