DIY Eberspacher D4WS (VW T4) Heater Diagnostics with KKL OBD2 Cable
Автор: Cars & Tools
Загружено: 2024-12-11
Просмотров: 1495
For my VW T4 I got a replacement Eberspacher D4WS from a junkyard (the old one was so corroded I failed to even take it apart); and I wanted to check if there are not some fault codes on its ECU, this is how I did it.
I used regular cheap KKL cable from AliExpress with RT232RL chip (CH430 might work also but doesn't allow to set low latency) and free VCDS Lite did the trick. (The errors shown are just from the ECU being disconnected from the heater and car).
This is the cable I bought: https://www.aliexpress.com/item/40011... for $8 - make sure to select the RT232RL variant.
0:00 Installing FT232RL KKL cable drivers
0:43 Installing VCDS Lite
1:02 Pluging-in the cable and setting latency
1:31 Failed attempt to read codes (incomplete wiring)
1:46 Complete wiring diagram
1:52 Second successful attempt at reading codes with VCDS Lite
2:36 Reading data with EDiTH
3:42 Footage of the ECU itself
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