AV Communication Line Check (With Monochrome Display)

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AV SWITCH CIRCUIT

Turn ignition switch OFF.
Disconnect display unit connector and AV switch connector.

Check continuity between display unit and AV switch.

TERMINALS CONTINUITY CHART

Terminals				Continuity
Display unit		AV switch
Connector	Terminal	Connector	Terminal
M93	11	M98	6	Yes
	13		8
	12		7

Check continuity between display unit and ground.

TERMINALS CONTINUITY CHART

Terminals			Continuity
Connector	Terminal	Terminal	Continuity
M93	11	Ground	No
M93	13	Ground	No

Fig 1: Checking Continuity Between Display Unit And AV Switch

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 2.

NG: Repair harness.

CHECK AV COMMUNICATION SIGNAL
1. Connect display unit connector and AV switch connector.
2. Turn ignition switch ON.
3. Check the signal between display unit harness connector M93 terminals 11, 13 and ground with CONSULT-II or oscilloscope.
  11, 13 - Ground : Refer to "TERMINALS AND REFERENCE VALUE FOR DISPLAY UNIT (WITH MONOCHROME DISPLAY) ".
OK or NG

OK: Replace AV switch. Refer to "AV SWITCH ".

NG: Replace display unit. Refer to.

Fig 2: Checking Voltage Between Display Unit Terminals 11, 13 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.