190E 2.6 (201.029) L6-2.6L (103.942) (1987)
Engine Control Module: Pinout Values and Diagnostic Parameters
Voltage Measurements
For ECM connector view and legend refer to "Engine Control Module : Diagrams : Connector Views. See: Diagrams/Connector Views
1. If Air Flow Sensor plate is deflected the voltage will increase towards 5 volts.
2. Always check battery voltage and connections.
Grounds
Main Relay Supply
Reference Supply
Coolant Temperature Sensor
*
Air temperature sensor applies to 16 valve only.
-
As of MY 1986 measure the voltage between terminal 2 and 14.
-
As of MY 1987 measure the voltage between terminal 2 and 11.
Air Temperature Sensor
** As of MY 1987 for the 16 valve 190E measure the voltage between terminal 7 and 14.
Altitude Sensor