Circuit Description

WARNING: This page is about a different car, the 2005 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

Check cellular phone.
Check if the other side can hear your voice properly.

OK:
1. Own voice can be heard correctly.
1. NG: Replace cellular phone
2. OK: Go To Next Step.
Check settings
Check if the mute switch is set to ON.

OK:
1. MUTE switch is not set to ON.
1. NG: Turn the mute switch off.
2. OK: Go To Next Step.
Navigation check mode (Microphone check)
1. Enter the "Microphone Check" mode (see PRE-CHECK ).
2. Follow the directions on the screen. Check if the word recognition indicator is displayed in green each item.
Fig 1: Microphone Check - Display Screen
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1. NG: Go to Navigation system cannot be operated with voice recognition.
2. OK: Replace multi-display