DESCRIPTION
The display signal of the rear television camera assembly is transmitted to the radio receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Vehicle enrolled in telematics system (w/ Telematics Transceiver for G-BOOK) or telematics system (w/o Telematics Transceiver for G-BOOK):
When replacing the radio receiver assembly, perform the vehicle contract setting.
PROCEDURE
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
Disconnect the I122 radio receiver assembly connector.
Disconnect the Y6 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 |
|
CHECK RADIO RECEIVER ASSEMBLY
| *a | Component with harness connected (Radio Receiver Assembly) |
Remove the radio receiver assembly with the connector still connected.
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 RECEIVER ASSEMBLY Click here |
| OK |
|
CHECK REAR TELEVISION CAMERA ASSEMBLY
Remove the radio receiver assembly with the connector connected.
| *a | Component with harness connected (Radio Receiver Assembly) |
*b | Waveform 1 |
| *c | Waveform 2 | *d | Synchronization Signal |
| *e | Video Waveform | - | - |
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 receiver assembly with the connector connected.
| OK |
|---|
| Waveform is as shown in the illustration. |
| Item | Content |
|---|---|
| Terminal No. (Symbol) | I122-12 (V+) - I122-23 (CGND) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Waveform 1: Engine switch on (IG), shift lever in R, camera lens not covered, displaying an image Waveform 2: Engine switch on (IG), shift lever in R, camera lens covered, blacking out screen |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (GVIF CABLE)
Replace the GVIF cable with a new or normally functioning one.
Check if the same malfunction recurs when the rear view monitor screen is displayed.
| OK |
|---|
| Malfunction does not reoccur (returns to normal). |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (GVIF CABLE IS DEFECTIVE) |
| NG |
|
CHECK MULTI-DISPLAY ASSEMBLY
Replace the multi-display assembly with a new or normally functioning one.
Check if the same malfunction recurs when the rear view monitor screen is displayed.
| OK |
|---|
| Malfunction does not reoccur (returns to normal). |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE) |
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |