DESCRIPTION
This DTC is stored if the radio and display receiver assembly judges that the signals or signal lines between the radio and display receiver assembly, and the rear television camera 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 rear television camera assembly signal circuit |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) |
(a) Disconnect the G50 radio and display receiver assembly connector.
(b) Disconnect the Y2 rear television camera assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
G50-11 (CA+) - Y2-6 (CB+) |
Always |
Below 1 Ω |
G50-12 (V+) - Y2-3 (CV+) |
Always |
Below 1 Ω |
G50-23 (CGND) - Y2-5 (CGND) |
Always |
Below 1 Ω |
G50-24 (V-) - Y2-2 (CV-) |
Always |
Below 1 Ω |
Standard Resistance (Check for Short):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
G50-11 (CA+) - Body ground |
Always |
10 kΩ or higher |
G50-12 (V+) - Body ground |
Always |
10 kΩ or higher |
G50-23 (CGND) - Body ground |
Always |
10 kΩ or higher |
G50-24 (V-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Reconnect the G50 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 |
---|---|---|
G50-23 (CGND) - Body ground |
Always |
Below 1 Ω |
G50-24 (V-) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
G50-11 (CA+) - G50-23 (CGND) |
Ignition switch ACC |
5.5 to 7.05 V |
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
3. |
INSPECT REAR TELEVISION CAMERA ASSEMBLY |
(a) Reconnect the Y2 rear television camera assembly connector.
(b) Check the waveform of the rear television camera assembly using an oscilloscope.
HINT:
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.
*a |
Component with harness connected (Radio and Display Receiver Assembly) |
*b |
Waveform 1 (under normal conditions) |
*c |
Waveform 2 (camera lens is covered, blacking out the screen) |
*d |
Synchronized Signal |
*e |
Video Waveform |
- |
- |
OK:
Waveform is as shown in the illustration.
Item |
Content |
---|---|
Terminal No. (Symbol) |
G50-12 (V+) - G50-24 (V-) |
Tool Setting |
200 mV/DIV., 50 μsec./DIV. |
Condition |
Ignition switch ON, shift lever in R |
HINT:
The video waveform changes according to the image sent by the rear television camera assembly.
OK | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG | ![]() |
REPLACE REAR TELEVISION CAMERA ASSEMBLY |
ACC Monitor Malfunction (B2274)
DESCRIPTION
This DTC is stored when there is a problem in the ACC output circuit, which is
from the ACC output terminal of the power management control ECU to the ACC relay.
HINT:
When the power management control ECU is replaced with a new one and the ca ...
Steering Angle Sensor Internal Circuit (C1433)
DESCRIPTION
Steering angle sensor signals are sent to the skid control ECU via the CAN communication
system. When there is a malfunction in the CAN communication system, it is detected
by the steering angle sensor zero point malfunction diagnostic functio ...