5
Operations
Prepare a fully-charged spare battery and securely
connect the power clamp to the positive and negative
terminals of the spare battery (red clamp to positive, black
clamp to negative). If connected correctly, the screen will
display voltage data.
Connect the device's OBD interface to the vehicle's OBD
interface. Upon successful connection, the screen will
display current data.
Remove the old battery from the vehicle and replace it with
a new one.
Battery Replacement
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Prepare a fully-charged spare battery and securely
connect the power clamp to the positive and negative
terminals of the spare battery (red clamp to positive, black
clamp to negative). If connected correctly, the screen will
display voltage data.
Connect the device's OBD interface to the vehicle's OBD
interface. Upon successful connection, the screen will
display current data.
Disconnect the negative terminal of the car connected to
the battery. Observe the current at this point (normally, the
current is unstable with fluctuations, such as when car
relays work intermittently, resulting in fluctuating current
values).
Successively remove the fuses from the car's fuse box and
observe the change in current. If the current suddenly
decreases, it indicates the possibility of leakage from that
fuse. Referencing the car's circuit diagram, locate the
circuit or device connected to that fuse to identify the
leakage.
Automotive Leakage Detection
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