DESCRIPTION
The display signal of the rear television camera assembly is transmitted to the navigation ECU sub-assembly*1 or radio and display receiver assembly*2.
*1: for Navigation Receiver Type
*2: for Radio and Display Type
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CONFIRM MODEL
Chose 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 ECU SUB-ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
Disconnect the I66 connector from the navigation ECU sub-assembly.
Disconnect the T6 connector from the rear television camera assembly.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK NAVIGATION ECU SUB-ASSEMBLY
Reconnect the I66 connector to the navigation ECU sub-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 | ||||||
|---|---|---|---|---|---|---|
|
| *a | Component with harness connected (Navigation ECU Sub-assembly) |
| NG |
|
REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here |
| OK |
|
CHECK REAR TELEVISION CAMERA ASSEMBLY
Reconnect the T6 connector to the rear television camera assembly.
Check the waveform of the rear television camera assembly using an oscilloscope.
Tech Tips
A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the navigation ECU sub-assembly with the connector connected.
| OK |
|---|
| Waveform is similar to that shown in the illustration. |
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I66-8 (V+) - I64-7 (GND1) |
| Tool Setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Ignition switch ON, shift lever in R |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
| *a | Component with harness connected (Navigation ECU Sub-assembly) |
| *b | Waveform 1 (camera lens not covered, displaying an image) |
| *c | Waveform 2 (camera lens covered, blacking out the screen) |
| *d | Synchronization Signal |
| *e | Video Waveform |
| 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 I154 connector from the radio and display receiver assembly.
Disconnect the T6 connector from the rear television camera assembly.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
Reconnect the I154 connector to the 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 | ||||||
|---|---|---|---|---|---|---|
|
| *a | Component with harness connected (Radio and Display Receiver Assembly) |
| NG |
|
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here |
| OK |
|
CHECK REAR TELEVISION CAMERA ASSEMBLY
for 10 speakers
Reconnect the T6 connector to the rear television camera assembly.
Check the waveform of the rear television camera assembly using an oscilloscope.
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 |
|---|---|
| Terminal No. (Symbol) | I154-8 (V+) - I134-20 (GND1) |
| Tool Setting | 200 mV/DIV., 50 μs/DIV. |
| Condition | Ignition switch ON, shift lever in R |
| *a | Component with harness connected (Radio and Display Receiver Assembly) |
| *b | Waveform 1 (camera lens not covered, displaying an image) |
| *c | Waveform 2 (camera lens covered, blacking out the screen) |
| *d | Synchronization Signal |
| *e | Video Waveform |
for 6 speakers
Reconnect the T6 connector to the rear television camera assembly.
Check the waveform of the rear television camera assembly using an oscilloscope.
| OK |
|---|
| Waveform is similar to that shown in the illustration. |
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I154-8 (V+) - I152-7 (GND1) |
| Tool Setting | 200 mV/DIV., 50 μs/DIV. |
| Condition | Ignition switch ON, shift lever in R |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
| *a | Component with harness connected (Radio and Display Receiver Assembly) |
| *b | Waveform 1 (camera lens not covered, displaying an image) |
| *c | Waveform 2 (camera lens covered, blacking out the screen) |
| *d | Synchronization Signal |
| *e | Video Waveform |
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here