Reverse Signal Circuit [11/2018 - 12/2021]: 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 BACK-UP LIGHT
- Move the shift lever to R and check if the back-up lights come on.
OK
The back-up lights come on.
Result
Proceed to OK NG
Result:
NG
GO TO LIGHTING SYSTEM
w/ Headlight ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 08/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - 12/2021]
w/o Headlight ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 02/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - 12/2021]
Result:
OK
See step 2
- Move the shift lever to R and check if the back-up lights come on.
- CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)
- Disconnect the radio and display receiver assembly connector.
*a Front view of wire harness connector
(to Radio and Display Receiver Assembly) - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition G3-28 (REV) - Body ground Ignition switch ON
Shift lever in R11 to 14 V G3-28 (REV) - Body ground Ignition switch ON
Shift lever not in RBelow 1 V 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
- Disconnect the radio and display receiver assembly connector.