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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 173 (Air Bag System) >> Advanced Air Bag >> Diagnostic Information And Procedure >> DTC B1018: Serial communication problem OCM-SDM >> Flow Test Description
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Flow Test Description

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara, 2007 Suzuki Grand Vitara, and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Step 2: Check OCM-SDM serial communication circuit. 

Step 3: Check if voltage applied to OCM is within normal range. 

Step 4: Check OCM ground circuit. 

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