2. Check Door Switch Circuit

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.

Turn ignition switch OFF.
Disconnect door switch and BCM.
Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 and BCM connector M18, M19 terminals 12, 13, 47, and 48.
1. 2 (SB) - 47 (SB): Continuity should exist
2. 2 (R/L) - 12 (R/L): Continuity should exist
3. 2 (R/Y) - 48 (R/Y): Continuity should exist
4. 2 (R/B) - 13 (R/B): Continuity should exist
Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 and ground.
1. 2 (SB, R/L, R/Y or R/W) -: Continuity should not exist Ground

Fig 1: Checking Continuity

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

OK or NG

OK >> GO TO 3.
NG >> Repair or replace harness.