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Home >> Suzuki >> 2002 >> XL-7 Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Body Electrical Control System) >> Diagnostic Information and Procedures >> DTC B1156 (No. 56): CAN Communication Error (H27 Engine Model with A/T Only) >> Flow Test Description
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Flow Test Description

WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
  1. Step 1:  Check CAN communication line for open circuit.
  2. Step 2:  Check CAN communication line for open circuit.
  3. Step 3:  Check CAN communication line for short circuit.
  4. Step 4:  Check CAN communication line for short circuit.
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