Page organisation in this revision
- Page type
- Technical article
- Subject
- Reference
- Parent
- Section level
- Applies to
- No ECU-specific applicability
- Tool groups
- Not recorded in this older revision
- Manufacturers
- Not recorded in this older revision
Changes from revision 1 to revision 1
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How to use this glossary
This starter list draws on the supplied S4Wiki glossary. Case is significant. Names and meanings must be checked against the relevant ECU function description; these examples largely come from ME7 documentation.
NameExpansion or contextEnglish meaning / noteASRAntiSlipRegelungTraction controlDKDrosselklappeThrottle plateFGRFahrgeschwindigkeitsreglerCruise controlLDRLadedruckregelungBoost-pressure regulationLLLeerlaufIdleTVTastverhältnisDuty cyclenmotEngine-speed variableEngine speedldtvWastegate command variableWastegate duty cyclerlsolLoad-request variableRequested relative loadrkRelative fuel-mass variableRelative fuel quantitypuAmbient-pressure variableAmbient pressurepsManifold-pressure variableActual manifold pressurepssolManifold-pressure requestRequested manifold pressureplistUpstream pressure variableActual pressure before the throttleplsolUpstream pressure requestRequested pressure before the throttleDMDContext dependentSource lists multiple interpretations; verify in the function descriptionNWSCamshaft-control contextThe source's German expansion needs verification
Adding an entry
Record the original spelling, a checked expansion, English explanation, ECU/software context and source. Leave an uncertain translation marked as uncertain.
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
S4Wiki: Motronic abbreviations. S4Wiki contributors; source site states Creative Commons Attribution. Source revision oldid 5191; accessed 2026-11-10.
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Revision 1: Motronic abbreviations
How to use this glossary
This starter list draws on the supplied S4Wiki glossary. Case is significant. Names and meanings must be checked against the relevant ECU function description; these examples largely come from ME7 documentation.
| Name | Expansion or context | English meaning / note |
|---|
| ASR | AntiSlipRegelung | Traction control |
| DK | Drosselklappe | Throttle plate |
| FGR | Fahrgeschwindigkeitsregler | Cruise control |
| LDR | Ladedruckregelung | Boost-pressure regulation |
| LL | Leerlauf | Idle |
| TV | Tastverhältnis | Duty cycle |
| nmot | Engine-speed variable | Engine speed |
| ldtv | Wastegate command variable | Wastegate duty cycle |
| rlsol | Load-request variable | Requested relative load |
| rk | Relative fuel-mass variable | Relative fuel quantity |
| pu | Ambient-pressure variable | Ambient pressure |
| ps | Manifold-pressure variable | Actual manifold pressure |
| pssol | Manifold-pressure request | Requested manifold pressure |
| plist | Upstream pressure variable | Actual pressure before the throttle |
| plsol | Upstream pressure request | Requested pressure before the throttle |
| DMD | Context dependent | Source lists multiple interpretations; verify in the function description |
| NWS | Camshaft-control context | The source's German expansion needs verification |
Adding an entry
Record the original spelling, a checked expansion, English explanation, ECU/software context and source. Leave an uncertain translation marked as uncertain.
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
Revision 1: Motronic abbreviations
How to use this glossary
This starter list draws on the supplied S4Wiki glossary. Case is significant. Names and meanings must be checked against the relevant ECU function description; these examples largely come from ME7 documentation.
| Name | Expansion or context | English meaning / note |
|---|
| ASR | AntiSlipRegelung | Traction control |
| DK | Drosselklappe | Throttle plate |
| FGR | Fahrgeschwindigkeitsregler | Cruise control |
| LDR | Ladedruckregelung | Boost-pressure regulation |
| LL | Leerlauf | Idle |
| TV | Tastverhältnis | Duty cycle |
| nmot | Engine-speed variable | Engine speed |
| ldtv | Wastegate command variable | Wastegate duty cycle |
| rlsol | Load-request variable | Requested relative load |
| rk | Relative fuel-mass variable | Relative fuel quantity |
| pu | Ambient-pressure variable | Ambient pressure |
| ps | Manifold-pressure variable | Actual manifold pressure |
| pssol | Manifold-pressure request | Requested manifold pressure |
| plist | Upstream pressure variable | Actual pressure before the throttle |
| plsol | Upstream pressure request | Requested pressure before the throttle |
| DMD | Context dependent | Source lists multiple interpretations; verify in the function description |
| NWS | Camshaft-control context | The source's German expansion needs verification |
Adding an entry
Record the original spelling, a checked expansion, English explanation, ECU/software context and source. Leave an uncertain translation marked as uncertain.
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.