| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001E7JS |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 10/2022] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: C1622; Back Camera Disconnected; 2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022] | ||
|
DTC |
C1622 |
Back Camera Disconnected |
DESCRIPTION
This DTC is stored if the radio and display receiver assembly judges that the signals or signal lines between the television camera assembly*1 or parking assist ECU*2 and the radio and display receiver assembly are not normal as a result of its self check.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1622 |
Back Camera Disconnected |
Open or short in the television camera assembly signal circuit |
|
- *1: w/ Parking Assist Monitor System
- *2: w/ Panoramic View Monitor System
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
If the cable was disconnected from and reconnected to the negative (-) auxiliary battery terminal, the estimated course lines may not be displayed on the image of the area behind the vehicle. In this case, perform "Correct the Steering Angle Neutral Point".
Click here
![2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: INITIALIZATION](/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.
Click here
-
The following malfunctions may occur if a radio and display receiver assembly from another vehicle is installed to this vehicle. Therefore, when replacing the radio and display receiver assembly, be sure to replace it with new one.
- Communication malfunction DTC is output
- Does not operate normally
HINT:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
PROCEDURE
|
1. |
CHECK MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
w/ Parking Assist Monitor System |
A |
|
w/ Panoramic View Monitor System |
B |
| B |
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the R15 television camera assembly connector.
(b) Disconnect the G2 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
R15-6 (CB+) - G2-30 (CA+) |
Always |
Below 1 Ω |
|
R15-3 (CV+) - G2-28 (V+) |
Always |
Below 1 Ω |
|
R15-2 (CV-) - G2-29 (V-) |
Always |
Below 1 Ω |
|
R15-5 (CGND) - G2-27 (CGND) |
Always |
Below 1 Ω |
|
R15-6 (CB+) or G2-30 (CA+) - Body ground |
Always |
10 kΩ or higher |
|
R15-3 (CV+) or G2-28 (V+) - Body ground |
Always |
10 kΩ or higher |
|
R15-2 (CV-) or G2-29 (V-) - Body ground |
Always |
10 kΩ or higher |
|
R15-5 (CGND) or G2-27 (CGND) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK RADIO AND DISPLAY ASSEMBLY (CA+, CGND) |
|
(a) Remove the radio and display receiver assembly with the connector still connected. Click here
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
G2-30 (CA+) - G2-27 (CGND) |
Ignition switch ACC |
5.5 to 7.05 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G2-27 (CGND) - Body ground |
Always |
Below 1 Ω |
| NG |
|
|
|
4. |
CHECK TELEVISION CAMERA ASSEMBLY |
|
*a |
Component with harness connected |
*b |
Waveform 1 |
|
*c |
Waveform 2 |
*d |
Synchronization Signal |
|
*e |
Video Waveform |
- |
- |
(a) Remove the radio and display receiver assembly with the connector still connected.
Click here
(b) Check the waveform of the television camera assembly using an oscilloscope.
|
Item |
Content |
|
Measurement terminal |
G2-28 (V+) - G2-29 (V-) |
|
Measurement setting |
200 mV/DIV., 50 μsec./DIV. |
|
Condition |
Waveform 1: Ignition switch ON, shift position in R, camera lens is not covered, displaying an image. Waveform 2: Ignition switch ON, shift position in R, camera lens is covered, blacking out the screen. |
HINT:
- The video waveform changes according to the image sent by the television camera assembly.
- The video waveform is constantly output when the ignition switch is ACC.
OK:
Waveform is as shown in the illustration.
| OK |
|
| NG |
|
|
5. |
CHECK DTC (PANORAMIC VIEW MONITOR SYSTEM) |
(a) Clear the DTCs.
for Gasoline Model: Click here
for HV Model: Click here
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
for Gasoline Model: Click here
for HV Model: Click here
Chassis > Circumference Monitoring Camera Control Module > Trouble Codes
OK:
No DTCs are output.
| NG |
|
GO TO PANORAMIC VIEW MONITOR SYSTEM for Gasoline Model: Click here
for HV Model: Click here
|
|
|
6. |
CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Disconnect the N24 parking assist ECU connector.
(b) Disconnect the G2 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N24-7 (NS+) - G2-28 (V+) |
Always |
Below 1 Ω |
|
N24-24 (NS-) - G2-29 (V-) |
Always |
Below 1 Ω |
|
N24-7 (NS+) or G2-28 (V+) - Body ground |
Always |
10 kΩ or higher |
|
N24-24 (NS-) or G2-29 (V-) - Body ground |
Always |
10 kΩ or higher |
|
N24-8 (NSG) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
7. |
CHECK PARKING ASSIST ECU |
|
*a |
Component with harness connected |
*b |
Waveform 1 |
|
*c |
Waveform 2 |
*d |
Synchronization Signal |
|
*e |
Video Waveform |
- |
- |
(a) Remove the radio and display receiver assembly with the connector still connected.
Click here
(b) Check the waveform of the parking assist ECU using an oscilloscope.
|
Item |
Content |
|
Measurement terminal |
G2-28 (V+) - G2-29 (V-) |
|
Measurement setting |
200 mV/DIV., 50 μsec./DIV. |
|
Condition |
Waveform 1: Ignition switch ON, shift position in R, camera lens is not covered, displaying an image. Waveform 2: Ignition switch ON, shift position in R, camera lens is covered, blacking out the screen. |
HINT:
- The video waveform changes according to the image sent by the parking assist ECU.
- The video waveform is constantly output when the ignition switch is ACC.
OK:
Waveform is similar to that shown in the illustration.
| OK |
|
| NG |
|
GO TO PANORAMIC VIEW MONITOR SYSTEM for Gasoline Model: Click here
for HV Model: Click here
|
|
|