Mazda Workshop Service and Repair Manuals > 626 L4-2000 1998cc (1983) > Relays and Modules | Relays and Modules - Powertrain Management | Relays and Modules - Computers and Control Systems | Engine Control Module | Component Information | Testing and Inspection | Testing W/System Checker | Page 865

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Engine Control Module: Testing and Inspection
Testing W/Voltmeter

Fig. 17 Testing Control Unit W/Voltmeter

WARNING: Do not start engine.

1.

Connect voltmeter to control unit Fig. 17.

Relays and Modules
Relays and Modules - Powertrain Management / Relays and Modules - Computers and Control Systems / Engine Control Module / Component Information
Testing and Inspection / Testing W/System Checker
Page 865

Testing W/System Checker|Page 866 > < Testing W/System Checker