300CE (124.050) L6-3.0L (103.983) (1989)
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
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Pin 7 is for 1988 California version only.
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Use terminal 2 for all other years.
Altitude Sensor
Electro-hydraulic Actuator
* Value will be effected by temperature.