3. Check Harness Continuity

1. Disconnect BCM connector.
2. Check continuity between BCM connector M4 terminal 109 (LG) and trunk lid opener cancel switch connector M117 terminal 2 (LG).
   1. 109 (LG) - 2 (LG) : Continuity should exist  .
3. Check continuity between trunk lid opener cancel switch connector M117 terminal 2 (LG) and ground.
   1. 2 (LG) - Ground : Continuity should not exist  .

OK or NG 

1. OK: Trunk lid opener cancel switch circuit is OK.
2. NG: Repair or replace harness.

Fig 1: Checking Harness Continuity

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