DESCRIPTION
The video signal of the rear television camera assembly is transmitted to the inner rear view mirror assembly.
WIRING DIAGRAM
PROCEDURE
CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
Disconnect the T9 inner rear view mirror assembly connector.
Disconnect the V14 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 INNER REAR VIEW MIRROR ASSEMBLY
| *a | Component with harness connected (Inner Rear View Mirror Assembly) |
Reconnect the T9 inner rear view mirror assembly connector.
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 INNER REAR VIEW MIRROR ASSEMBLY Click here |
| OK |
|
INSPECT REAR TELEVISION CAMERA ASSEMBLY
| *a | Component with harness connected (Inner Rear View Mirror Assembly) |
Reconnect the V14 rear television camera assembly connector.
| *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 inner rear view mirror assembly with the connector connected.
| OK |
|---|
| Waveform is similar to that shown in the illustration. |
| Item | Content |
|---|---|
| Measurement terminal | T9-7 (CV+) - T9-2 (E) |
| Measurement setting | 200 mV/DIV., 50 μs./DIV. |
| Condition | Power switch on (READY), reverse (R) selected |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |