Troubleshooting - B-CAN System Diagnosis Test Mode B

Troubleshooting - B-CAN System Diagnosis Test Mode B

NOTE:
- Perform this diagnosis if any of the control units are not communicating (NONE displayed in the HDS.) as found by the B-CAN system Diagnosis Test Mode A.
- Always cycle the ignition switch within 3 seconds when prompted in the DTC troubleshooting procedures.

1. Using the Honda Diagnostic System (HDS), select the system that has the symptom from the BODY ELECTRICAL MENU.
2. Select DTCs, and then check for loss of communication DTCs (use the DTC Troubleshooting to find the DTC type).

Are loss of communication DTCs indicated?

YES - Go to step 3.

NO - Replace the MICU.




3. Perform the input test for the unit not communicating with the HDS.