DESCRIPTION
The display signal from the rear television camera assembly transmits to the display and navigation module display.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - TELEVISION CAMERA)
Disconnect the J124 connector from the display and navigation module display.
Disconnect the Q43 connector from the 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 |
|
INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY
Reconnect the Q43 connector to the television camera assembly.
| *1 | Component with harness connected (Display and Navigation Module Display) |
Reconnect the J124 connector to the display and navigation module display.
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 DISPLAY AND NAVIGATION MODULE DISPLAY Click here |
| OK |
|
INSPECT REAR TELEVISION CAMERA ASSEMBLY
Check that the J124 connector is connected to the display and navigation module display.
Check that the J122 connector is connected to the display and navigation module display.
| *1 | Component with harness connected (Display and Navigation Module Display) |
| *2 | Waveform 1 (camera lens not covered, displaying an image) |
| *3 | Waveform 2 (camera lens covered, blacking out the screen) |
| *4 | Synchronization Signal |
| *5 | Video Waveform |
Check the waveform of the television camera assembly using an oscilloscope.
| OK |
|---|
| Waveform is as shown in the illustration. |
| Item | Content |
|---|---|
| Terminal No. (Symbol) | J124-5 (V+) - J122-10 (GND1) |
| Tool Setting | 200 mV/DIV., 50 μsec./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.
| NG |
|
REPLACE TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here