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ECU Diagnostics

ECU Diagnostics – part 2 : ECU, OBD and CAN

ECU Caterhams, like all modern cars, have an Engine Control Unit (ECU) – a black box full of electronics, controlled by a microprocessor that manages how the engine runs.  And because it has a microprocessor it means it runs some software to control everything. It also connects to a bunch of sensors, like temperature, pressure, […]

Categories
ECU Diagnostics

ECU Diagnostics – part 1 : Introduction

So here we go for a marathon series of posts. I’ll update this page with links to the completed posts as they come along… Introduction ECUs, OBD and CAN Test Setup Wireshark Patching and OBD-II Results The Correlator Dead-End Reading Material ECU Maps and Mapping Easimap uses ISTOP (sort of) The Easimap Protocol Theory Decoding […]