https://paul-fleischmann.com/en/tags/diagnostics/Recent content in Diagnostics on Paul FleischmannHugoenFri, 17 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-teil-4-wakeup-diagnose/Thu, 25 Jun 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-teil-4-wakeup-diagnose/The fourth and final part of the EthTrcv core series: WakeUp handling via PHY pin and in-band signaling, the interplay with EcuM and EthSM, and how to diagnose the most common runtime problems on the transceiver.https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-loopback-modi/Thu, 02 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-loopback-modi/How internal, external, and remote loopback work inside the Ethernet PHY, how EthTrcv drives them, and why they are indispensable for end-of-line testing and fault isolation.https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-mdio-phy-register/Mon, 06 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-mdio-phy-register/Register-level MDIO diagnostics for EthTrcv: reading standard and vendor registers, interpreting link status and error flags, and a case study of a link that refuses to come up.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-diagnose-loopback-testmodi/Fri, 17 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-diagnose-loopback-testmodi/The surprising fact-check finding: most of EthSwt's port diagnostic APIs are pure forwarders to the referenced EthTrcv instance, not switch-native functionality.