Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA2023CX-5 SREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENTATION/DRIVER INFOTELEMATICS COMMUNICATION UNIT INSPECTIONNOTES
2023 Mazda CX-5 S
Telematics Communication Unit Inspection: Notes
2023 Mazda CX-5 SSECTION Notes
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Remove the following parts:
- Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
- Switch panel (See SWITCH PANEL REMOVAL/INSTALLATION .)
- Cup holder (See CUP HOLDER REMOVAL/INSTALLATION .)
- Selector lever knob (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
- Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
- Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
- Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
- 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 .)
- If the voltage is not as specified in the terminal voltage table, inspect the parts under Inspection item(s) and related wiring harnesses.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.