Telematics Communication Unit Inspection: Notes

WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
2. Switch panel (See SWITCH PANEL REMOVAL/INSTALLATION .)
3. Cup holder (See CUP HOLDER REMOVAL/INSTALLATION .)
4. Selector lever knob (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
5. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
6. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
7. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
8. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION )
Measure the voltage at each terminal.
- If the voltage is not as specified in the terminal voltage table, inspect the parts under Inspection item(s) and related wiring harnesses.
  - If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the telematics communication unit. (See TELEMATICS COMMUNICATION UNIT REMOVAL/INSTALLATION .)