Driver Seat Control 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 following terminals and connectors for damage, bend and loose connection (control unit side and harness side).
  - Driver seat control unit
  - Harness connector P1
  - Harness connector B37
  - Harness connector B1
  - Harness connector M11
OK or NG

OK: GO TO 2.

NG: Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect driver seat control unit connector.

Check resistance between driver seat control unit harness connector terminals.

RESISTANCE REFERENCE CHART

Driver seat control unit connector	Terminal		Resistance (Approx.)
P2	3	19	54 - 66 ohm

OK or NG

OK: Replace driver seat control unit.

NG: Repair harness between driver seat control unit and data link connector.

Fig 1: Identifying Resistance Between Driver Seat Control Unit Harness Connector Terminals

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