DESCRIPTION This DTC is
stored if the radio and display receiver assembly judges that the
signals or signal lines between the television camera assembly, 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 |
- Harness or connector
- Television camera assembly
- Radio and display receiver assembly
| WIRING DIAGRAM
 CAUTION / NOTICE / HINT
NOTICE: 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
 PROCEDURE
| 1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY) |
(a) Disconnect the G2 radio and display receiver assembly connector. (b) Disconnect the P19 television camera assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
G2-30 (CA+) - P19-6 (CB+) |
Always | Below 1 Ω | |
G2-28 (V+) - P19-3 (CV+) |
Always | Below 1 Ω | |
G2-29 (V-) - P19-2 (CV-) |
Always | Below 1 Ω | |
G2-27 (CGND) - P19-5 (CGND) |
Always | Below 1 Ω | |
G2-26 (CSLD) - Body ground |
Always | 10 kΩ or higher | |
G2-30 (CA+) or P19-6 (CB+) - Body ground |
Always | 10 kΩ or higher | |
G2-28 (V+) or P19-3 (CV+) - Body ground |
Always | 10 kΩ or higher | |
G2-29 (V-) or P19-2 (CV-) - Body ground |
Always | 10 kΩ or higher | |
G2-27 (CGND) or P19-5 (CGND) - Body ground |
Always | 10 kΩ or higher |
| NG |
 | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
OK |
 | |
| 2. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Reconnect the G2 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 | |
G2-29 (V-) - Body ground |
Always | Below 1 Ω | |
G2-27 (CGND) - Body ground |
Always | Below 1 Ω | |
 |
|
*a | Component with harness connected
(Radio and Display Receiver Assembly) | | |
(c) Measure the voltage according to the value(s) in the table below. Standard Voltage: |
Tester Connection | Condition |
Specified Condition | |
G2-30 (CA+) - G2-27 (CGND) |
Engine switch on (ACC) |
5.5 to 7.05 V |
| NG |
| REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
OK | |
| |
| 3. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY (V+, GND1) |
(a) Reconnect the P19 television camera assembly connector. (b) Using an oscilloscope, check the waveform of the television camera assembly.
|
*a | Component with harness connected
(Radio and Display Receiver Assembly) |
HINT: A
waterproof connector is used for the television camera assembly.
Therefore, inspect the waveform at the radio and display receiver
assembly with the connector connected. OK: Waveform is similar to that shown in the illustration. |
Item | Content | |
Measurement terminal |
G2-28 (V+) - G3-1 (GND1) | |
Measurement setting | 200 mV/DIV., 50 μs./DIV. | |
Condition | Engine switch on (IG), shift lever in R |
HINT:
- The video waveform changes according to the image sent by the television camera assembly.
- The video waveform is constantly output when the engine switch is on (ACC).
|
*a | Waveform 1 (camera lens is not covered, displaying an image) | |
*b | Waveform 2 (camera lens is covered, blacking out the screen) | |
*c | Synchronization Signal | |
*d | Video Waveform |
| OK |
| REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG |
| REPLACE TELEVISION CAMERA ASSEMBLY | | 
