Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014Z0L
Model Year Start: 2018 Model: Camry Prod Date Range: [06/2017 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Voice Guidance does not Function; 2018 - 2024 MY Camry [06/2017 -        ]

Voice Guidance does not Function

WIRING DIAGRAM

PROCEDURE

1.

CHECK VOICE GUIDANCE SETTING

(a) Check that the voice guidance settings are not off.

OK:

Voice guidance settings are not off.

NG

CHANGE VOICE GUIDANCE SETTINGS TO ON

OK

2.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

(a) Disconnect the K1 radio and display receiver assembly connector.

(b) Disconnect the K17 navigation ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

K1-22 (SI+) - K17-6 (VOI+)

Always

Below 1 Ω

K1-23 (SI-) - K17-7 (VOI-)

Always

Below 1 Ω

K1-22 (SI+) or K17-6 (VOI+) - Body ground

Always

10 kΩ or higher

K1-23 (SI-) or K17-7 (VOI-) - Body ground

Always

10 kΩ or higher

K17-8 (SLD1) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2018 MY Camry [06/2017 - 08/2018]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2019 MY Camry [08/2018 - 09/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2020 MY Camry [09/2019 - 10/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2021 - 2024 MY Camry [10/2020 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR