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HANDS FREE ECU CHASSIS ELECTRICAL 54A-478 Inspection Procedure 8:Voice guide "Unable to obtain vehicle speed. Please try again or contact your CAUTION Before replacing the hands free ECU, ensure that the power supply circuit, the earth circuit and the PROBABLE CAUSES • The hands free ECU may be defective. • The multivision display may be defective. • Damaged harness wires and connectors DIAGNOSIS PROCEDURE STEP 1. Check the combination meter. Q: Is the check result normal? YES : Go to Step 2. NO : Diagnose the combination meter (Refer to − Troubleshooting ). STEP 2. Check the multivision operation Q: Is the check result normal? YES : Go to Step 3. NO : Diagnose the MMCS (Refer to .) STEP 3. M.U.T.-III other system diagnosis code Q: Is the diagnosis code set? YES : Troubleshoot the MMCS (Refer to Diagnosis Code Chart ). NO : Go to Step 4. STEP 4. Check the diagnosis mode Q: Is the check result normal? YES : Go to Step 5. NO : Perform Inspection Procedure 6: STEP 5. Replace the hands free ECU temporarily, Q: Is the check result normal? YES : Replace the hands free ECU. NO : Replace the multivision display. ON-VEHICLE SERVICE METHODS FOR PAIRING AND PAIRING DELETION WITH BLUETOOTH ® DEVICE USING STEERING WHEEL VOICE CONTROL SWITCH M1544405500432 NOTE: . • Some Bluetooth ® devices (mobile phone or music player) may not be compatible with the • A maximum of seven Bluetooth ® devices can be registered. • This system cannot be used when a battery of ® devices was exhausted. PAIRING METHOD Shift the selector lever to P (parking) position <CVT, A/T> or shift lever to N (neutral) position <M/T> 1. Turn the ignition switch to "ACC" or "ON" position. |