Display Unit Circuit Inspection

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

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

OK: GO TO 2.

NG: Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect display unit connector.

Check resistance between display unit harness connector terminals.

RESISTANCE REFERENCE CHART

Display unit connector	Terminal		Resistance (Approx.)
M93	14	16	54 - 66 ohm

Fig 1: Identifying Resistance Between Display Unit Harness Connector Terminals

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

OK or NG

OK: Replace display unit.

NG: Repair harness between display unit and data link connector.