MICS Troubleshooting - Test Mode B

B-CAN System Diagnosis Test Mode B NOTE:

- Because several different tester's can be used to troubleshoot, there might be differences in what is shown on the screen and what is shown in the DTC troubleshooting flow charts in the Shop Manual.
- Perform this diagnosis if any of the control units are not communicating (N/A displayed in the HDS) as found by the B-CAN System Diagnosis Mode A.
- Always cycle the ignition switch within 3 seconds when prompted in the DTC troubleshooting procedures.

1. Using the HDS, Select the system that has the symptom from the BODY ELECTRICAL MENU.

Are the loss of communication DTCs indicated?

YES | - | Go to Step 2 .
NO | - | Replace the MICU .■

1. Select DTCs, and then check for loss of communication DTCs (use the DTC troubleshooting to find the DTC type).

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

   Unit not communicating
   MICU
   Door multiplex control unit
   Gauge control Module
   Relay control Module
   Climate control unit
   Combination switch control unit
   Rain sensor (With auto wiper)
   Power tailgate control unit
   Hands free telephone control unit