2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > HANDS FREE-ECU > SYMPTOM PROCEDURES > WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS NOT OUTPUT.
Inspection Procedure 4: When the speech switch is pressed, the voice guide is not output.
 
 
cautionBefore replacing the hands free-ECU, the radio and CD player <vehicles with radio and CD player> or 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 voice guide is not sent when the steering wheel remote control switch (speech switch) is pushed, the communication between the radio and CD player <vehicles with radio and CD player> or multivision display <vehicles with MMCS> and the hands free-ECU, or the communication between the radio and CD player <vehicles with radio and CD player> or multivision display <vehicles with MMCS> and the steering wheel remote control switch, the hands free-ECU or the steering wheel remote control switch may have a problem.
 
 
 
PROBABLE CAUSES
  • Malfunction of the radio and CD player <Vehicles with radio and CD player>
  • Malfunction of the multivision display <Vehicles with MMCS>
  • Malfunction of the hands free-ECU
  • Malfunction of the steering wheel remote control switch
  • Damaged harness wires and connectors
 
 
 
 
DIAGNOSIS PROCEDURE
STEP 1. Check the diagnosis mode
Check if the hands free-ECU can be switched to the diagnosis mode. (Refer to <vehicles with 1CD audio>, <vehicles with display audio> or <vehicles with MMCS>.)
Is the check result normal?
Go to Step 2
Perform Inspection Procedure 5 "DIAGNOSIS MODE cannot be made an entry." (Refer to .)
 
STEP 2. Operation check of the steering wheel remote control switch (audio remote control switch).
Check that the radio and CD player <vehicles with radio and CD player> or multivision display <vehicles with MMCS> can be operated by the steering wheel remote control switch.
Is the check result normal?
Go to Step 3.
Troubleshoot the steering wheel remote control switch.
 
STEP 3. Check the steering wheel remote control switch (speech switch).
Check the continuity of the steering wheel remote control switch. (Refer to .)
Is the check result normal?
Go to Step 4.
Replace the steering wheel remote control switch.
 
STEP 4. Temporarily replace the hands free-ECU, 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 multivision display <vehicles with MMCS>.