DESCRIPTION
The video signal from the rear television camera assembly is transmitted to the radio receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
If the cable from the negative (-) auxiliary battery terminal was disconnected, 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.
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
CHECK HARNESS AND CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY - RADIO RECEIVER ASSEMBLY)
Disconnect the V13 rear television camera assembly connector.
Disconnect the H165 radio receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT RADIO RECEIVER ASSEMBLY (CA+, V-, CGND)
Reconnect the H165 radio receiver assembly connector.
| *a | Component with harness connected (Radio Receiver Assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |
| OK |
|
INSPECT RADIO RECEIVER ASSEMBLY (V+, GND1)
Reconnect the V13 rear television camera assembly connector.
| *a | Component with harness connected (Radio Receiver Assembly) |
| *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 |
Using an oscilloscope, check the waveform of the rear television camera assembly.
Tech Tips
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio receiver assembly with the connector connected.
| OK |
|---|
| Waveform is similar to that shown in the illustration. |
| Item | Content |
|---|---|
| Measurement terminal | H165-12 (V+) - H162-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Power switch on (IG), reverse (R) selected |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
The video waveform is constantly output when the power switch is on (ACC).
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
REPLACE RADIO RECEIVER ASSEMBLY
Replace the radio receiver assembly with a new or known good one Click here.
Check that the parking assist monitor system operates normally.
| OK |
|---|
| Parking assist monitor system operates normally. |
| OK |
|
END |
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |