suzuki Workshop Repair Guides

Suzuki Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2306 > < Component Tests and General Diagnostics|Page 2304
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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: 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 2306 > < Component Tests and General Diagnostics|Page 2304