RL V6-3.7L (2009)
Information Bus: Component Tests and General Diagnostics
Troubleshooting - B-CAN System Diagnosis Test Mode B
Troubleshooting - B-CAN System Diagnosis Test Mode B
Do this diagnosis if any of the control units are not communicating (Not Available is displayed in the HDS) as found by the B-CAN System Diagnosis
Test Mode A.
1. Using the HDS, select the system that has the symptom from the BODY ELECTRICAL SYSTEM SELECT menu.
2. Select DTCs, and then check for loss of communication DTCs (use the DTC Troubleshooting to find the DTC type).
Are any loss of communication DTCs indicated?
YES - Go to step 3.
NO - Replace the MICU.
3. Perform the input test or circuit troubleshooting for the unit not communicating with the HDS.
