Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001E7IU
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 08/2020]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Voice Guidance does not Function; 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]

Voice Guidance does not Function

WIRING DIAGRAM

PROCEDURE

1.

CHECK VOICE GUIDANCE SETTING

(a) Check that the voice guidance setting is not off.

OK:

Voice guidance setting is not off.

NG

CHANGE VOICE GUIDANCE SETTING TO ON

OK

2.

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

  • *1: Only for models with the vehicle identification number on the certification label ending with the character A.

    *2: Except models with the vehicle identification number on the certification label ending with the character A.

(a) Disconnect the G1 radio and display receiver assembly connector.

(b) Disconnect the G15*1 or H7*2 navigation ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G1-22 (SI+) - G15-6 (VOI+)*1

Always

Below 1 Ω

G1-22 (SI+) - H7-6 (VOI+)*2

Always

Below 1 Ω

G1-23 (SI-) - G15-7 (VOI-)*1

Always

Below 1 Ω

G1-23 (SI-) - H7-7 (VOI-)*2

Always

Below 1 Ω

G1-22 (SI+) - Body ground

Always

10 kΩ or higher

G1-23 (SI-) - Body ground

Always

10 kΩ or higher

G15-8 (SLD1) - Body ground*1

Always

10 kΩ or higher

H7-8 (SLD1) - Body ground*2

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2020 - 2022 MY RAV4 RAV4 HV [10/2019 - 10/2022]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR