MEFI-4A Engine Computer

Published 10/29/2009 - Electrical System

* Tech Tip - Title of tip *

Category: MEFI-4A Engine Management Computer

Subject: Engine Codes and PinOuts of ECM

Details: Below are the ECM codes and output tests from the engine management computer.

MEFI 4 Output Tests 

ECM Pin #

General Warning #1 Output

J1-21

Buzzer Output

J1-26

RPM Controlled Output

J1-8

Oil Level Lamp

J1-25

Check Gauges Lamp

J1-7

Check Engine Lamp

J1-9

General Warning #2 Output

J1-22

Fuel Pump Output

J1-23

Power Balance Test

 

IAC Motor Reset

 

 Advanced Diagnostics Guide 

 MEFI 4A 10-Pin Diagnostic Connector 

 MEFI 4A ECM J1 Connector 

 MEFI 4A ECM J2 Connector 

 MEFI 4A Main Harness

 

 


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