suzuki Workshop Repair Guides

Suzuki Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 1855 > < Component Tests and General Diagnostics|Page 1853
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Engine Control Module: Pinout Values and Diagnostic Parameters

Reference Waveform

Inspection of ECM and Its Circuits

Precautions for ECM Circuit Inspection  See: Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic
Overview/Precautions For ECM Circuit Inspection

CAUTION:  ECM and its circuits can be checked by measuring voltage and pulse signal with special tool connected. It is strictly prohibited to
connect voltmeter or ohmmeter to ECM with ECM connectors disconnected from it.

Reference waveform

NOTE:

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Waveform analysis is as follows.

-

Waveform might change for measurement condition and vehicle'spec.

Component Tests and General Diagnostics|Page 1855 > < Component Tests and General Diagnostics|Page 1853