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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 235 (Engine Control System - Introduction) >> Diagnostic Information and Procedures >> On-Board Diagnostic (OBD II) System Check >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.

The On-Board Diagnostic (OBD II) System Check is the starting point for any driveability complaint diagnosis. Before using this procedure, perform a careful visual/physical check of the Engine Control Module (ECM) and the engine grounds for cleanliness and tightness.

The OBD II system check is an organized approach to identifying a problem created by an electronic engine control system malfunction.

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