Table of ECM Input/Output Signals
Engine Control Module (ECM)
ECM INPUT/OUTPUT SIGNALS REFERENCE
| Input Signals | Output Signals |
|---|---|
| Transmission Control Module (EGS) | Transmission Control Module (EGS) |
| Temperature Sensors (coolant) | Ignition Coil |
| Temperature Sensor (radiator outlet) | Injection Valve |
| Temperature Sensor (intake air) | Secondary Air Pump and Valve |
| Temperature Sensor (ambient) | Purge Valve (EVAP-System) |
| Mass Air Flow Sensor, secondary air system (only LEV2, ULEV2 and SULEV) | Leak Detection Module (EVAP-System) |
| Mass Air Flow Sensor | Switch Valve (variable camshaft timing) |
| Barometric Pressure Sensor (only LEV2, ULEV2 and SULEV) | Malfunction Indicator Light (MIL) |
| Oxygen-Sensor | Throttle Valve Actuator |
| Camshaft Phase Sensor | Idle Air Control Valve |
| Crankshaft Position Sensor | Oxygen Sensor Heating |
| Throttle Position Sensor | |
| Accelerator Pedal Position Sensor | |
| Vehicle Speed Signal | |
| Knock Sensor | |
| Leak Detection Module (EVAP-System) | |
| Fuel Level Sensor | |
| Battery Voltage | |
| Timer (engine off) |
Transmission Control Module (EGS)
ECM INPUT/OUTPUT SIGNALS REFERENCE
| Input Signals | Output Signals |
|---|---|
| ECM (engine speed and load) | ECM (ignition timing) |
| ECM (coolant temperature) | Pressure Control Valve |
| Range Sensor | Control Solenoid |
| Output Speed | Shift Solenoid |
| Input Speed | Control Module Relay |
| Transmission Oil / Fluid Temperature | Torque Converter Clutch |
| Battery Voltage |