DESCRIPTION
The video signal of the rear 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
for Navigation Receiver Type
for Radio and Display Type
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
| Result | |||
|---|---|---|---|
|
Disconnect the F4 navigation receiver assembly connector.
Disconnect the m2 rear television camera 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
| Result | |||
|---|---|---|---|
|
Reconnect the 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 REAR TELEVISION CAMERA ASSEMBLY
| Result | |||
|---|---|---|---|
|
Reconnect the m2 rear 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 rear television camera assembly.
Tech Tips
A waterproof connector is used for the rear 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. |
| Item | Content |
|---|---|
| Measurement terminal | F4-12 (V+) - F4-24 (V-) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Engine switch on (IG), shift lever in R |
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 engine switch is on (ACC).
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
| Result | |||
|---|---|---|---|
|
Disconnect the F40 radio and display receiver assembly connector.
Disconnect the m2 rear television camera 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
| Result | |||
|---|---|---|---|
|
Reconnect the 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 REAR TELEVISION CAMERA ASSEMBLY
| Result | |||
|---|---|---|---|
|
Reconnect the m2 rear 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 rear television camera assembly.
Tech Tips
A waterproof connector is used for the rear 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. |
| Item | Content |
|---|---|
| Measurement terminal | F40-12 (V+) - F40-24 (V-) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Engine switch on (IG), shift lever in R |
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 engine switch on (ACC).
| Result | |||
|---|---|---|---|
|
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |