Autodiagnos A1004-1 Multi-Tester Pro

The Autodiagnos A1004‑1 Multi‑Tester Pro is a handheld diagnostic workstation used to read ECU DTCs, monitor live data, and perform fault‑finding on automotive electronic control units. Common failure points in this class of equipment include power supply board degradation (brown‑out or intermittent voltage), LCD backlight failure, and faulty USB/serial interface connectors that can cause communication errors with host computers. Begin troubleshooting by verifying the unit’s 12 V input voltage and internal battery status, checking all cable connections for corrosion or loose contacts, and reviewing any error codes displayed on the screen; if the display is blank, inspect the backlight driver and LCD panel for continuity.[oss-gpt-20b]

Need your Autodiagnos repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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