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Home >> Mazda >> 1989 >> 323 L4-1600 1597cc >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection
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Engine Control Module: Testing and Inspection

How to use the Engine Signal Monitor (SST Mazda Part# 49 9200 162).

Engine Signal Monitor And Adapter:





1. Connect the engine signal monitor between the control unit and the engine harness using the adapter (SST Mazda Part# 49 9200 163).
2. Turn the selector switch and monitor switch to select the terminal number.
3. Check the terminal voltage.

Engine Control Unit Terminal Identification And Voltages:




Engine Control Unit Terminal Identification And Voltages:









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