Rear Body Control Module (RBCM) Inspection: Notes
WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
- When replacing the rear body control module (RBCM), perform the configuration. (See REAR BODY CONTROL MODULE (RBCM) CONFIGURATION (USING READ/WRITE FUNCTION) .)
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Remove the following parts:
- Trunk covering (See TRUNK COVERING REMOVAL/INSTALLATION .)
- Trunk board (See TRUNK BOARD REMOVAL/INSTALLATION .)
- Trunk side pocket (LH) (See TRUNK SIDE POCKET REMOVAL/INSTALLATION .)
- Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION .)
- Rear scuff plate (LH) (See REAR SCUFF PLATE REMOVAL/INSTALLATION .)
- Third-row seat cushion (See THIRD-ROW SEAT CUSHION REMOVAL/INSTALLATION .)
- Third-row seat (See THIRD-ROW SEAT BACK COMPONENT REMOVAL/INSTALLATION .)
- Trunk side trim (LH) (See TRUNK SIDE TRIM REMOVAL/INSTALLATION .)
- Remove the rear body control module (RBCM) from the body with the connector connected. (See REAR BODY CONTROL MODULE (RBCM) REMOVAL/INSTALLATION .)
- Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Verify that the voltages of each of the terminals are as indicated in the Terminal Voltage Table (Reference).
- If the voltage is not as indicated in the table, inspect the parts under Inspection item(s).
- If the system does not launch normally even though inspection items are normal, specify the location of the malfunction based on the instructions from the on-board diagnostic system and the symptom troubleshooting, and perform repairs.
- If the voltage is not as indicated in the table, inspect the parts under Inspection item(s).