Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

The Other Caller Cannot Hear Your Voice, or Your Voice Is Too Quiet or Distorted





NAVIGATION: NAVIGATION SYSTEM: The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted
- The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CELLULAR PHONE

(a) Check if the other caller can hear your voice correctly.

OK:

Your voice can be heard correctly.

NG -- REPLACE CELLULAR PHONE
OK -- Continue to next step.

2. CHECK SETTINGS

(a) Check if the mute switch is set to on.





OK:

Mute switch is not set to on.

NG -- TURN MUTE SWITCH OFF
OK -- Continue to next step.

3. CHECK MICROPHONE (OPERATION CHECK)

(a) Enter the "Microphone&Voice Recognition Check" screen (Check Mic & Voice Recognition) Operation Check.





(b) When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

(c) Push the recording switch and perform voice recording.

HINT
Voice can be recorded up to 5 seconds.

(d) Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.

OK:

All check results are normal.

Text in Illustration





NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures

OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal