Part VII of XIV
Ignition, Knock Control, Dwell & Oxygen Sensing
In this page
Piezo knock sensing and the retard state machine, the CJ125 wideband ASIC, dwell maps and R8 coil conversions, and knock-sensor recalibration for forged internals.
Chapters
| # | Chapter | Covers |
|---|---|---|
| 18 | Knock Control & BTS | Piezo knock filtering, retard dynamics, the ATR model and BTS enrichment. |
| 26 | Wideband O2 & CJ125 | LSU 4.2 diffusion physics, the CJ125 pinout, and closed-loop troubleshooting. |
| 29 | Dwell & Ignition Coils | Coil saturation, dwell maps, and converting to an R8 2.0T FSI coil pack. |
| 37 | Knock Sensor Recalibration | Why forged pistons and solid mounts cause false knock, and how to re-gate it. |
What this part is about
Symbols that appear in at least 2 of the 4 chapters in this part — the common vocabulary you will meet reading across it.
KRMX BTS G66 G61