AVC-LAN Circuit [11/2018 - 10/2022]: 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.
- INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY
- Remove the radio and display receiver assembly.
*a Component without harness connected
(Radio and Display Receiver Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G3-5 (TX1+) - G3-6 (TX1-) Always 60 to 80 Ω Result
Proceed to OK NG
Result:
NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [11/2018 - 10/2022]
Result:
OK
See step 2
- Remove the radio and display receiver assembly.
- CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT)
- Disconnect the G3 radio and display receiver assembly connector.
- Disconnect the M3 stereo component amplifier assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition M3-8 (TX+) - G3-5 (TX1+) Always Below 1 Ω M3-7 (TX-) - G3-6 (TX1-) Always Below 1 Ω M3-8 (TX+) or G3-5 (TX1+) - Body ground Always 10 kΩ or higher M3-7 (TX-) or G3-6 (TX1-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- INSPECT MALFUNCTIONING PARTS
- Disconnect and reconnect each slave unit one by one until the master unit returns to normal.
HINT:
- Check all slave units.
- If disconnecting a slave unit causes the master unit to return to normal, the slave unit is defective and should be replaced.
OK
Master unit returns to normal.
Result
Proceed to OK NG
Result:
OK
REPLACE MALFUNCTIONING PARTS
Result:
NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [11/2018 - 10/2022]
- Disconnect and reconnect each slave unit one by one until the master unit returns to normal.