| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BTD0 |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - ] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Reverse Signal Circuit; 2019 - 2022 MY Avalon HV [04/2018 - ] | ||
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Reverse Signal Circuit |
DESCRIPTION
The radio and display receiver assembly receives a reverse signal from the BKUP LP relay.
WIRING DIAGRAM
PROCEDURE
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1. |
CHECK BACK-UP LIGHT |
(a) Move the shift lever to R and check if the back-up lights come on.
OK:
The back-up lights come on.
| NG |
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GO TO LIGHTING SYSTEM w/ Cornering Light: Click here
w/o Cornering Light: Click here
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![2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for HV Model with Cornering Light): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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2. |
CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL) |
(a) Disconnect the G3 radio and display receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G3-28 (REV) - Body ground |
Power switch on (IG) Shift lever in R |
11 to 14 V |
|
G3-28 (REV) - Body ground |
Power switch on (IG) Shift lever not in R |
Below 1 V |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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