Inspection Procedure 3: When the speech switch is pressed, the voice guide is output, but the voice recognition is not performed. < Vehicles with radio and CD player >: Diagnosis
WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Required Special Tools:
- MB991223: Harness Set
- MB992006: Extra Fine Probe
- STEP 1. Retest the system
Close all the windows to suppress external noise as much as possible. Then check whether the voice recognition operates normally when you utter a word as close to the microphone unit as possible
Q: Is the check result normal?
- YES: Diagnosis complete.
- NO: Go to Step 2
- STEP 2. Check the diagnosis mode
Check if the microphone check result "HFM MIC Check" is displayed on the diagnosis mode of hands free module. (Refer to DIAGNOSIS MODE < VEHICLES WITH 1CD AUDIO > < Vehicles with 1CD audio > or DIAGNOSIS MODE < VEHICLES WITH DISPLAY AUDIO > < Vehicles with display audio >.)
Q: Is the check result normal?
- YES: Go to Step 4
- NO: Go to Step 3
- STEP 3. Check of short to power supply, short to ground, and open circuit in MIC+, MIC- line between hands free module connector and microphone unit connector.
Q: Is the check result normal?
- YES: The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Repair the connector(s) or wiring harness.
- STEP 4. Replace the microphone unit temporarily, and check the trouble symptom.
Q: Is the check result normal?
- YES: Replace the microphone unit.
- NO: Go to Step 5
- STEP 5. Replace the hands free module temporarily, and check the trouble symptom.
Q: Is the check result normal?
- YES: Replace the hands free module.
- NO: The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).