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HANDS FREE ECU CHASSIS ELECTRICAL 54A-462 STEP 3. Check the USB adapter. Q: Is the check result normal? YES : Go to Step 4. NO : Replace the USB adapter. STEP 4. Check the USB cable. Q: Is the check result normal? YES : Go to Step 5. NO : Replace or repair the USB cable. STEP 5. Connector check: C-41 hands free ECU Q: Is the check result normal? YES : Go to Step 6. NO : Repair the defective connector. STEP 6. Check the wiring harness between C-41 • Check the signal lines for open circuit and short circuit. Q: Is the check result normal? YES : Go to Step 7. NO : Repair the wiring harness. STEP 7. Replace the hands free ECU temporarily, Q: Is the check result normal? YES : Replace the hands free ECU. NO : Replace the radio and CD player. Inspection Procedure 2: The USB adapter data cannot be replayed. <Vehicles with MMCS> CAUTION Before replacing the hands free ECU, ensure that the power supply circuit, the earth circuit and the COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES • The multivision display may be defective. • The hands free ECU may be defective. • The USB adapter may be defective. • The USB cable may be defective. ACA00892 Connectors: C-41, C-142 <LHD> AM C-41 C-142 (GR) ACA00896 AD Connector: C-41 <RHD> ACA00895AN Connector: C-142 <RHD> C-142 (GR) |