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12. General information
12.1. PassThru Troobleshooting
The following list will help you to solve minor problems yourself. Select the relevant problem description and check and
perform the steps listed under Solution in sequence until the problem is solved.
Problem
The left row of arrows between the laptop/tab-
let and the HGS PassThru device is red. The
second test does not start.
The left row of arrows between the laptop/tab-
let and the HGS PassThru device is green. The
right row of arrows between the HGS PassThru
device and the vehicle remains red.
12.2. Troubleshooting table
The following list will help you to solve minor problems yourself. Select the relevant problem description and check and
perform the steps listed under Solution in sequence until the problem is solved.
Problem
The mega macs S 20 crashes or does not func-
tion.
Communication to vehicle cannot be estab-
lished.
The SDI diagnostic interface is not indicated in
the web browser.
mega macs X
Solution
• Check the connections of the USB cable and plug connections to the
laptop/tablet, to the HGS PassThru device and the mega macs X.
• Check USB cable and plug connectors for damage.
• Insert the USB cable and plug connectors correctly.
• Activate the PassThru function of the mega macs X.
• Switch the mega macs X off and on again.
• Reactivate the PassThru function and repeat the communication
test.
• Switch on the vehicle ignition.
• Check if there is sufficient voltage supply (>12 V) through the OBD
plug which is connected to vehicle.
• Check if the OBD plug properly connected to the vehicle's diagnostic
connection.
Solution
• Switch of and on the display medium (laptop/tablet).
• Restart mega macs S 20.
• Perform a software update.
• Select the correct vehicle by engine code.
• Strictly follow the notes in the window with infos and instructions.
• Check if there is sufficient voltage supply (>12 V) through the OBD
plug which is connected to vehicle.
Verify that the Wi-Fi settings in the display medium (tablet/laptop) are
correct.
General information | 12.
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