| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM1000000026POH |
| Model Year Start: 2023 | Model: RAV4 | Prod Date Range: [10/2022 - ] |
| Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: Image from Camera for Parking Assist Monitor is Abnormal; 2023 - 2024 MY RAV4 RAV4 HV [10/2022 - ] | ||
|
Image from Camera for Parking Assist Monitor is Abnormal |
DESCRIPTION
The display signal from the rear television camera assembly is transmitted to the radio and display receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the radio and display receiver assembly, always replace it with a new one.
If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
-
The radio and display receiver assembly may not operate normally.
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![2023 - 2024 MY RAV4 RAV4 HV [10/2022 - ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
-
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.
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HINT:
Images may be unclear even in normal conditions if:
- Electrical devices are used in the cabin (noise may occur in the image).
- Accessories that generate radio waves have been installed (noise may occur in the image).
- The display of radio and display receiver assembly is cold (the image immediately after turning the ignition switch to ON may be blurred or darker than normal).
- The camera lens is dirty with snow, mud, etc.
- A strong beam of light, such as a sunbeam or headlight, hits the camera.
- It is too dark around the camera (at night, etc.).
- The ambient temperature around the camera is either too high or too low.
- The vehicle is tilted at a steep angle.
- The rear television camera assembly lens is scratched.
- The rear television camera assembly lens has drops of water on it or the humidity is high.
- When the camera is used under fluorescent lights, sodium lights, mercury lights, etc., the lights and the illuminated area may appear to flicker.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) |
(a) Disconnect the G148 radio and display receiver assembly connector.
(b) Disconnect the R31 rear television camera assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G148-1 (GB+) - R31-4 (CB+) |
Always |
Below 1 Ω |
|
G148-3 (GVO+) - R31-6 (CV+) |
Always |
Below 1 Ω |
|
G148-1 (GGND) - R31-3 (CGND) |
Always |
Below 1 Ω |
|
G148-4 (GVO-) - R31-5 (CV+) |
Always |
Below 1 Ω |
|
G148-1 (GB+) or R31-4 (CB+) - Body ground |
Always |
10 kΩ or higher |
|
G148-3 (GVO+) or R31-6 (CV+) - Body ground |
Always |
10 kΩ or higher |
|
G148-1 (GGND) or R31-3 (CGND) - Body ground |
Always |
10 kΩ or higher |
|
G148-4 (GVO-) or R31-5 (CV+) - Body ground |
Always |
10 kΩ or higher |
|
G148-5 (GVG1) - Body ground |
Always |
10 kΩ or higher |
|
R31-7 (SGND) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2. |
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Disconnect the G148 radio and display receiver assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G148-4 (GVO-) - Body ground |
Always |
Below 1 Ω |
|
G148-1 (GGND) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
G148-2 (GB+) - Body ground |
Ignition switch ACC |
6 to 9 V |
| NG |
|
|
|
3. |
CHECK REAR TELEVISION CAMERA ASSEMBLY |
(a) Replace the television camera assembly with a new or known good one.
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(b) Check if the same malfunction reoccurs when the rear view monitor screen is displayed.
OK:
Malfunction does not reoccur (returns to normal).
| OK |
|
END (REAR TELEVISION CAMERA ASSEMBLY WAS DEFECTIVE) |
| NG |
|
|
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