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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 162 (Engine General Information & Diagnosis) >> Diagnostic Information and Procedures >> MIL Remains ON after Engine Starts >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.

When the ignition switch is turned ON, ignition switch signal is sent to ECM. The ECM causes the main relay to turn ON. Then, ECM (PCM) being supplied with the main power, turns ON the malfunction indicator lamp. When the engine starts to run and no malfunction is detected in the system, MIL goes OFF but if a malfunction was or is detected, MIL remains ON when the engine is running.

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