DESCRIPTION
The video signal of the rear television camera assembly is transmitted to the navigation receiver assembly*1, radio and display receiver assembly*2.
*1: for Navigation System
*2: for Audio and Visual System
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CONFIRM MODEL
Choose the model to be inspected.
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
| C |
|
| A |
|
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
Disconnect the I177 navigation receiver assembly connector.
Disconnect the T6 rear television camera 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 NAVIGATION RECEIVER ASSEMBLY
Reconnect the I177 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 | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE NAVIGATION RECEIVER ASSEMBLY Click here |
| OK |
|
INSPECT REAR TELEVISION CAMERA ASSEMBLY
Reconnect the T6 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 | I177-12 (V+) - I72-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Power 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 power switch is on (ACC).
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
Disconnect the I158 radio and display receiver assembly connector.
Disconnect the T6 rear television camera 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 AND DISPLAY RECEIVER ASSEMBLY
Reconnect the I158 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 | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here |
| OK |
|
INSPECT REAR TELEVISION CAMERA ASSEMBLY
Reconnect the T6 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 radio and display receiver assembly with the connector connected.
| OK |
|---|
| Waveform is similar to that shown in the illustration. |
| Item | Content |
|---|---|
| Measurement terminal | I158-12 (V+) - I152-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Power 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 power switch is on (ACC).
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
Disconnect the I66 radio and display receiver assembly connector.
Disconnect the T6 rear television camera 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 AND DISPLAY RECEIVER ASSEMBLY
Reconnect the I66 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 | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here |
| OK |
|
INSPECT REAR TELEVISION CAMERA ASSEMBLY
Reconnect the T6 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 radio and display receiver assembly with the connector connected.
| OK |
|---|
| Waveform is similar to that shown in the illustration. |
| Item | Content |
|---|---|
| Measurement terminal | I66-12 (V+) - I64-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Power 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 power switch is on (ACC).
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here