Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU [11/2018 - 08/2020]: Procedure
WARNING: This page is about a different car, the 2022 Toyota RAV4, 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- Disconnect the G1 radio and display receiver assembly connector.
- Disconnect the G15*1 or H7*2 navigation ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G1-7 (SUP) - G15-21 (SUP)*1 Always Below 1 Ω G1-7 (SUP) - H7-21 (SUP)*2 Always Below 1 Ω G1-7 (SUP) - 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 [11/2018 - 02/2019] , or refer to PROBLEM SYMPTOMS TABLE [02/2019 - 10/2019] , or refer to PROBLEM SYMPTOMS TABLE [10/2019 - 10/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- *1: Only for models with the vehicle identification number on the certification label ending with the character A.