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.
Checking The Component And Wiring
- Ignition off
- Disconnect connector A from the phone module (PHM).
Check the loudspeaker signal cable at control module connector A. Check for a short-circuit to ground.
Check between:
- terminals #20 (#20) and #18 (#18)
- terminals #20 (#20) and #6 (#6).
Try replacing the carphone handset if no fault is found in the wiring.
Remedy as necessary.
Other information:
- see SIGNAL SPECIFICATION
- see CONNECTING THE BREAKOUT BOX
- see LOCATION OF COMPONENTS
- see PHONE MODULE (PHM)
- see TELEPHONE HANDSET
- see CONTENTS
Use the Manual With the Right Hardware
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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.
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