RindaTechnologies TechMate Pro - MEFI 1 & 2 Output Tests

GM Marine EFI
Page 18
MEFI 1 & 2 Output Tests
MEFI-1 EFI Output Tests (MerCruiser only)
ECM Pin #
Buzzer Circuit Output 1 J2-11
Buzzer Circuit Output 2 J2-27
Fuel Pump Output J2-9
IAC Motor Reset
MEFI-1 EFI Output Tests (Volvo & Other Makes)
Over Temp Lamp J2-11
Buzzer Output J2-12
I/O Fluid Level Lamp J2-26
Oil Pressure Lamp J2-27
Oil Level Lamp J2-30
Check Engine Lamp J2-31
Fuel Pump Output J2-9
IAC Motor Reset
MEFI-2 EFI Output Tests (MerCruiser only)
(MerCruiser models using 1996 GM MEFI II ECM only)
Buzzer Circuit Output 1 J2-11 *
Buzzer Circuit Output 2 J2-26
Fuel Pump Output J2-9
IAC Motor Reset
* Physically connected to J2-11, may electronically respond as J2-12 due to ECM’s calibration.
MEFI-2 EFI Output Tests (Volvo and Other Makes)
Check Gauges Lamp J2-11
Buzzer Output J2-12
General Warning #1 Output J2-26
RPM Controlled Output J2-27
Oil Level Lamp J2-30
Check Engine Lamp J2-31
Fuel Pump Output J2-9
IAC Motor Reset