[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > HANDS FREE-ECU > SYMPTOM PROCEDURES > DIAGNOSIS MODE CANNOT BE MADE AN ENTRY.
Inspection Procedure 5: DIAGNOSIS MODE cannot be made an entry. Mobile Phone item is not displayed on the MENU screen of audio.
 
 
cautionBefore replacing the hands free-ECU, the radio and CD player <vehicles with radio and CD player> or the multivision display <vehicles with MMCS>, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
 
 
COMMENTS ON TROUBLE SYMPTOM
If the diagnosis mode cannot be made an entry, the hands free-ECU, the communication between the hands free-ECU and the radio and CD player <vehicles with radio and CD player> or the multivision display <vehicles with MMCS>, or the power supply system of hands free-ECU may have a problem.
 
 
 
PROBABLE CAUSES
  • Malfunction of the hands free-ECU
  • Malfunction of the radio and CD player <Vehicles with radio and CD player>
  • Malfunction of the multivision display <Vehicles with MMCS>
  • Damaged harness wires and connectors
 
 
 
 
DIAGNOSIS PROCEDURE
STEP 1. Check the radio and CD player <vehicles with radio and CD player> or multivision display <vehicles with MMCS> operation.
Check if the radio and CD player <vehicles with radio and CD player> or the multivision display <vehicles with MMCS> work normally and the sound is output.
Is the check result normal?
Go to Step 2
Troubleshoot the radio and CD player or multivision display. (Refer to <vehicles with radio and CD player> or <vehicles with MMCS>)
 
STEP 2. Check of short to power supply, short to earth, and open circuit in IE+ and IE- line between hands free-ECU connector and radio and CD player <vehicles with radio and CD player> or multivision display <vehicles with MMCS> connector.
Is the check result normal?
Go to Step 3.
Repair the connector(s) or wiring harness.
 
STEP 3. Check if the power supply circuit of hands free-ECU have a problem.
Perform the Inspection procedure 1 "Check the hands free-ECU power supply circuit." of the troubleshooting. (Refer to .)
Is the check result normal?
Go to Step 4.
Repair according to the troubleshooting for reference.
 
STEP 4. Replace the hands free-ECU temporarily, and check the trouble symptom.
Is the check result normal?
Replace the hands free-ECU.
Replace the radio and CD player <vehicles with radio and CD player> or the multivision display <vehicles with MMCS>.