Inspection Procedure

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the display control unit for damage, bend and loose connection (unit side and connector side).
OK or NG

OK: GO TO 2.

NG: Repair the terminal and connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect the connector of display control unit.

Check the resistance between the display control unit harness connector terminals.

RESISTANCE CHART

Display control unit harness connector			Resistance (Ω)
Connector No.	Terminal No.		Resistance (Ω)
M95	25	26	Approx. 54 - 66

OK or NG

OK: GO TO 3.

NG: Repair the display control unit branch line.

CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the display control unit. Refer to "SCHEMATIC " (Models with color display), "SCHEMATIC " (Models with navigation system).

OK or NG

OK >>
- Present error: Replace the display control unit. Refer to "DISPLAY CONTROL UNIT ".
- Past error: Error was detected in the display control unit branch line.
NG: Repair the power supply and the ground circuit.