Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

CHECK HEADREST DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT

Check headrest display unit power supply and ground circuits. Refer to DIAGNOSIS PROCEDURE .

Is the inspection result normal?

YES

GO TO STEP 2 .

NO

Repair or replace harness or connectors.

CHECK AV COMMUNICATION CIRCUIT CONTINUITY

Turn ignition switch OFF.
Disconnect headrest display unit connectors.

Check continuity between headrest display unit (driver seat) connector B202 and headrest display unit (passenger seat) connector B302.

Headrest display unit (driver seat)		Headrest display unit (passenger seat)		Continuity
Connector	Terminals	Connector	Terminals
B202	26	B302	10	Yes
	27		11

Check continuity between headrest display unit (driver seat) connector B202 and ground.

Headrest display unit (driver seat)		Ground	Continuity
Connector	Terminals
B202	26	-	No
	27

Is the inspection result normal?

YES

Replace headrest display unit (passenger seat). Refer to REMOVAL AND INSTALLATION .

Repair or replace harness or connectors.