DME M5.2.1, (134 Pin Control Module)

The 1998 model year introduced the M5.2.1 system. The new 134 pin SKE control module provided additional pins for added system functions.

QUICK VISUAL IDENTIFIERS:

134 Pin CM:

Hot Film Air Mass Sensor:

Individual Ignition Coils (M44 & M62 Engines):

Distributor Ignition:

SYSTEM FEATURES:
- Power Supply Control (ECM Main Relay)
- OBD II compliant
- Full - Sequential Fuel Injection with individual fuel injector shut-off
- Direct Solid State Ignition Timing Control with knock sensor monitoring
- Fuel Pump Relay Control
- Charge system monitoring
- EWS 3.3 Rolling ISN code interface
- Cold Start Enrichment control
- O2 Sensor Heating Control (PWM)
- Secondary Ignition Monitoring
- Output of Ti, and TD signals
- AC compressor control interface
- Expanded CAN bus communication
- Air containment valve control (M73)
- Pressure LDP system
- Substitute operating values employed if specific input signals become impaired.
- Fault monitoring with defect memory
- DIS/MoDiC Communication for Diagnosis and programming

ADAPTIVE SYSTEM FEATURES:
- Adaptive ms injection time based on O2 Sensor Signal with memory
- Adaptive Idle Speed Control (M62)
- Adaptive Purge Valve Control