DME M3.1 (88 Pin Control Module)

The first of the M3.x systems, M3.1 introduced improved full sequential injection and a new method of programming basic control module's.

QUICK VISUAL IDENTIFIERS:

88 Pin CM (M1.7):

Hot Wire Air Mass Sensor:

Individual Ignition Coils:

SYSTEM FEATURES:
- Power Supply Control (ECM Main Relay)
- Full - Sequential Fuel Injection with individual injector shut-off
- Fuel Pump Relay Control
- Cold Start Enrichment control
- O2 Sensor Heater Relay Control
- Direct, Individual Cylinder, Solid State Ignition Timing Control
- Camshaft position sensor
- Secondary Ignition Monitoring
- Purge Valve Control
- Output of Ti, TD and DKT signals
- AC compressor cutout control
- "Hot wire" Air mass metering
- Air Mass Sensor hot wire cleaning
- Substitute operating values employed if specific input signals become impaired.
- Extended fault monitoring with defect memory
- DIS/MoDiC Communication for Diagnosis and Programming

ADAPTIVE SYSTEM FEATURES:
- Adaptive ms injection time influenced by O2 Sensor Signal (stored in memory)
- Adaptive Idle Speed Control