1.5 KiB
1.5 KiB
HOWOT Test New ECU Design
Prerequisites
- rusEFI forum account (registration question answer: microRusEFI)
- communication skills
- strong PC skills: please know how to make a screenshot
- digital multimeter
- soldering iron
- nice to have hot air soldering experience
- let's be honest - the moment things do not work as intended you would need an oscilloscope
- still interested?
HOWTO test brand new ECU design which was never fabricated before
If dealing with a brand new never before tested hardware design it's recommended to gradually add wires between vehicle connector breakout board and untested ECU.
Prerequisites for each testing session
- Charge battery
- Disconnect battery charger
- Warm up car on stock ECU
- Charge laptop battery
- Disconnect laptop from wall charger.
Minimal ECU Power Test
- Write down battery voltage measured at the battery, with charger and all ECUs physically disconnected.
- Hook up Power GND
- Hook up ECU power source
- Test & Report, with USB physically disconnected: ECU status LED starts to blink if powered up, ECU status and all LED go off when powered off.
- Test & Report, with USB physically disconnected: Attempt cranking. If equipped with on-board persistent storage, upload & link log to report.
- Connect ECU to laptop via serial, report type of serial.
- With laptop connected via serial, test & Report, with USB physically disconnected: ECU status LED blinks if powered up, ECU status LED blinks when ignition powered off.