2. Check Reclining Motor Sensor Circuit Harness Continuity

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect driver seat control unit and reclining motor LH.
Check continuity between driver seat control unit connector P2 terminals 9, 31 and reclining motor LH connector P5 terminals 1, 2.
9 (L/R) - 1 (L/R) : Continuity should exist.

31 (L/Y) - 2 (L/Y) : Continuity should exist.
Check continuity between driver seat control unit connector P2 terminals 9, 31 and ground.
9 (L/R) - Ground : Continuity should not exist.

31 (L/Y) - Ground : Continuity should not exist.

Fig 1: Checking Continuity

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

OK or NG

OK >> Replace reclining motor.
NG >> Repair or replace harness.