III
LAUNCH
X-431 PAD
User's Manual
Precautions on Operating Vehicle’s ECU
Do not disconnect the vehicle inner consumer when the ignition switch is on.
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High voltage transients may encounter at the moment of disconnecting, which
may damage the sensors and the ECU.
Protect the computer from magnetic object (such as wireless speaker)
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Do cut off the power supply of ECU system before welding on the vehicle.
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Pay more attention to the ECU and the sensors when the operation is next to
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them.
Ground yourself when you disassemble PROM, otherwise ECU and sensors
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will be damaged by static electricity.
Do not use the pointer ohmmeter instead of DMM to test the ECU and the
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sensor without special requirement.
Do not test electric devices in relation with ECU with a test lamp unless
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otherwise expressly provided.
Do wear a metal ground strip that one end around your wrist and the other to
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the vehicle body when you get in and out the vehicle.
Do connect ECU harness connector firmly, otherwise electro elements, such
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as IC inside ECU, will be damaged.
Precaution on Operation
The appliance is a sophisticated electronic device, never have it clashed
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when in use.
Make sure the appliance is properly connected to the DLC to avoid
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communication interruptions. During operation, keep the screen upward and
leveled.
Don’t disconnect the wired network or Wi-Fi network while software updating
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or sending E-mail, otherwise, it will be interrupted.
After the operation, the stylus shall be inserted into the hole on the back of
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the main unit, and put away the cable and connector, etc accessories to the
box to avoid the lost.
Handle with care. Avoid collision. Unplug the power after operation.
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