Using the B-CAN System Diagnosis Test Mode 1 (Use only if the HDS is unavailable)

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Check for communication circuit problems using B-CAN System Diagnostic Test Mode 1 and Mode 2 (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE 1 AND TEST MODE 2 (WITHOUT THE HDS) ).
Check for DTCs (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE 1 AND TEST MODE 2 (WITHOUT THE HDS) ).
If multiple DTCs are stored, sort them, and then troubleshoot the DTCs in this order.
1. -1. Battery voltage DTCs
2. -2. Internal error DTCs
3. -3. Loss of communication DTCs
  NOTE: If DTC B1000 is stored, troubleshoot DTC B1000 (see DTC B1000: Communication Bus Line Error (BUS-OFF) ) first.
4. -4. Signal error DTCs
If no DTCs are retrieved, use B-CAN System Diagnostic Test Mode 2 to check all inputs related to failure (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE 1 AND TEST MODE 2 (WITHOUT THE HDS) ).