Voice Guidance does not Function [06/2018 - 11/2022]: Procedure
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- CHECK VOICE GUIDANCE SETTING
- Check that the voice guidance setting is not off.
OK
Voice guidance setting is not off.
Result
Proceed to OK NG
Result:
NG
CHANGE VOICE GUIDANCE SETTING TO ON
Result:
OK
See step 2
- Check that the voice guidance setting is not off.
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)
- Disconnect the I57 radio and display receiver assembly connector.
- Disconnect the I69 navigation ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition I57-22 (SI+) - I69-6 (VOI+) Always Below 1 Ω I57-23 (SI-) - I69-7 (VOI-) Always Below 1 Ω I57-22 (SI+) or I69-6 (VOI+) - Body ground Always 10 kΩ or higher I57-23 (SI-) or I69-7 (VOI-) - Body ground Always 10 kΩ or higher I69-8 (SLD1) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [06/2018 - 01/2019] , or refer to PROBLEM SYMPTOMS TABLE [01/2019 - 03/2019] , or refer to PROBLEM SYMPTOMS TABLE [03/2019 - 09/2019] , or refer to PROBLEM SYMPTOMS TABLE [09/2019 - 04/2020] , or refer to PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022] , or refer to PROBLEM SYMPTOMS TABLE [09/2022 - 11/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR