DESCRIPTION
The video signal from the television camera assembly is transmitted to the navigation receiver assembly*1 or radio and display receiver assembly*2.
*1: for Navigation Receiver Type
*2: for Radio and Display Type
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
If the cable from the negative (-) 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".
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.
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY) Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY)
| Result | |||
|---|---|---|---|
|
Disconnect the X13 television camera assembly connector.
Disconnect the F117 navigation receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT NAVIGATION RECEIVER ASSEMBLY (V-, CGND, CA+)
| Result | |||
|---|---|---|---|
|
Reconnect the F117 navigation receiver assembly connector.
| *a | Component with harness connected (Navigation 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 | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE NAVIGATION RECEIVER ASSEMBLY Click here |
| OK |
|
INSPECT NAVIGATION RECEIVER ASSEMBLY (V+, GND1)
| Result | |||
|---|---|---|---|
|
Reconnect the X13 television camera assembly connector.
| *a | Component with harness connected (Navigation 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 television camera assembly.
Tech Tips
A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the navigation receiver assembly with the connector connected.
| OK | ||||||||
|---|---|---|---|---|---|---|---|---|
| Waveform is similar to that shown in the illustration. | ||||||||
|
Tech Tips
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).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
REPLACE NAVIGATION RECEIVER ASSEMBLY
Replace the navigation receiver assembly with a new or known good one.
Check that the parking assist monitor system operates normally.
| OK |
|---|
| Parking assist monitor system operates normally. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
REPLACE TELEVISION CAMERA ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)
| Result | |||
|---|---|---|---|
|
Disconnect the X13 television camera assembly connector.
Disconnect the F72 radio and display receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY (V-, CGND, CA+)
| Result | |||
|---|---|---|---|
|
Reconnect the F72 radio and display receiver assembly connector.
| *a | Component with harness connected (Radio and Display 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 | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here |
| OK |
|
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY (V+, GND1)
| Result | |||
|---|---|---|---|
|
Reconnect the X13 television camera assembly connector.
| *a | Component with harness connected (Radio and Display 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 television camera assembly.
Tech Tips
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. | ||||||||
|
Tech Tips
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).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY
Replace the radio and display receiver assembly with a new or known good one.
Check that the parking assist monitor system operates normally.
| OK |
|---|
| Parking assist monitor system operates normally. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END |
| NG |
|
REPLACE TELEVISION CAMERA ASSEMBLY Click here |