Related To Rear Display (Headrest-Mounted)
Perform diagnosis of the power supply and ground circuits of the following items before starting diagnosis by symptom:
- Video distributor. Refer to DIAGNOSIS PROCEDURE .
- Headrest display unit. Refer to DIAGNOSIS PROCEDURE .
| Symptom | Check item | Possible malfunction location/Action to take | |
|---|---|---|---|
| Video is not shown on the headrest display unit screen. | Use the touch button in front display to switch video images on the headrest display unit. | Video is shown. | Operate with the remote to see if videos can be switched. |
| Video is not shown. | Replace headrest display unit. Refer to REMOVAL AND INSTALLATION . |
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| Video is not shown on the headrest display unit (passenger seat). Headrest display unit (driver seat) is normal. | Perform "AV Comm Diagnosis" within "On Board Diagnosis Function". Refer to ON BOARD DIAGNOSIS FUNCTION . |
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| Headrest display unit inoperative with the remote. | All keys inoperative. |
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| Some keys inoperative. |
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The function corresponding to the remote operation is not included (this is not a malfunction). | |
| Headrest display unit screen is black. | Play a DVD. | Video is not shown. | Switch from AUX mode to DVD mode and check video. |
| Screen is dark. | Adjust screen for image quality (this is not a malfunction). | ||
| Screen is black. | Replace headrest display unit. Refer to REMOVAL AND INSTALLATION . |
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| Video shown on headrest display unit screen becomes distorted or rolls up/down | Adjust the color settings using the display screen menu items. | If the symptom does not change, replace headrest display unit. Refer to REMOVAL AND INSTALLATION . |
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| Headrest display unit screen is blue. | - | Replace headrest display unit. Refer to REMOVAL AND INSTALLATION . |
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* : To check infrared, check light of the luminescent part (LED) through the lens of digital camera when operating the remote.