Display Unit Circuit Inspection

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 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, bent or 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.

TERMINALS RESISTANCE CHART

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

OK or NG

OK: Replace display unit. Refer to "DISPLAY UNIT ".

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

Fig 1: Checking Resistance Between Display Unit Harness Connector Terminals

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