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Home >> Suzuki >> 2004 >> XL-7 EX, RWD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> 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

  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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