Related To Headrest Display Unit And Rear Auxiliary Input
WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Check that there is no malfunction of AUX equipment main body before performing a diagnosis.
- Check that the remaining amount of the rear seat remote controller battery is sufficient to perform diagnosis.
PROBLEM SYMPTOMS
| Symptoms | Check items | Probable malfunction location / Action to take | |
|---|---|---|---|
| Headrest display unit cannot be powered on for both side. | Headrest display unit can be powered on by "Rear display" in "Settings" menu of front display unit. | Rear seat remote controller malfunction | |
|
Diagnosis result is normal. |
|
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| Diagnosis result is not normal. | Location recognition signal circuit between headrest display unit LH and ground. Refer to "DIAGNOSIS PROCEDURE ". | ||
| Diagnosis function cannot be started. | Headrest display unit LH power supply and ground circuits. Refer to "HEADREST DISPLAY UNIT : DIAGNOSIS PROCEDURE ". | ||
| Headrest display unit RH cannot be powered on. |
|
Diagnosis result is normal. | AV communication circuits between headrest display unit LH and headrest display unit RH. |
| Diagnosis result is not normal. | Location recognition signal circuit between headrest display unit RH and ground. Refer to "DIAGNOSIS PROCEDURE ". | ||
| Diagnosis function cannot be started. | Headrest display unit RH power supply and ground circuits. Refer to "HEADREST DISPLAY UNIT : DIAGNOSIS PROCEDURE ". | ||
| DVD, USB and front AUX image cannot be played on headrest display unit of both side. |
|
Composite image signal circuit between AV control unit and video distributor. Refer to "DIAGNOSIS PROCEDURE ". | |
| Rear AUX image cannot be played on headrest display unit of both side. | DVD, USB and front AUX images are normal. | AUX image signal circuit between rear auxiliary input jacks and video distributor. Refer to "DIAGNOSIS PROCEDURE ". | |
| DVD, USB, and front AUX image cannot be played only on headrest display unit LH (RH). | - | Composite image signal circuit between video distributor and headrest display unit LH (RH). Refer to "DIAGNOSIS PROCEDURE ". |
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| It does not change to DVD USB and front AUX mode only on headrest display unit LH (RH). | Rear AUX image is normal. | Image switch signal circuit between headrest display unit LH (RH) and video distributor. Refer to "DIAGNOSIS PROCEDURE ". | |
| Menu is not displayed on headrest display LH (RH). | - | Replace headrest display unit LH (RH). Refer to "EXPLODED VIEW ". | |