DESCRIPTION
The video signal from the rear television camera assembly is transmitted to the multi-display assembly .
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
PROCEDURE
CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - LUGGAGE ELECTRICAL KEY SWITCH)
| Result | |||
|---|---|---|---|
|
Disconnect the O60 multi-display Assembly connector.
Disconnect the U40 luggage electrical key switch connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT LUGGAGE ELECTRICAL KEY SWITCH
| Result | |||
|---|---|---|---|
|
Disconnect the z22 luggage electrical key switch connector.
Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (Luggage Electrical Key Switch) |
- | - |
Tech Tips
Perform this inspection with the luggage electrical key switch installed to the vehicle.
| Standard Resistance | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE ELECTRICAL KEY SWITCH Click here |
| OK |
|
INSPECT MULTI-DISPLAY ASSEMBLY (CA+, CGND)
| Result | |||
|---|---|---|---|
|
Reconnect the O60 multi-display assembly connector.
| *a | Component with harness connected (Multi-display 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 | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE MULTI-DISPLAY ASSEMBLY Click here |
| OK |
|
INSPECT MULTI-DISPLAY ASSEMBLY (V+, CGND)
| Result | |||
|---|---|---|---|
|
Reconnect the U40 luggage electrical key switch connector.
Reconnect the z22 rear television camera assembly connector.
| *a | Component with harness connected (Multi-display 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 multi-display assembly with the connector connected.
| OK | ||||||||
|---|---|---|---|---|---|---|---|---|
| Waveform is similar to that shown in the illustration. | ||||||||
|
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 engine switch is on (ACC).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here |
| OK |
|
REPLACE MULTI-DISPLAY ASSEMBLY
Replace the multi-display assembly with a new or known good one.
Check that the parking assist monitor system operates normally.
| OK |
|---|
| Parking assist monitor system operates normally. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (MULTI-DISPLAY ASSEMBLY WAS DEFECTIVE) |
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |