1. Check BCM Output Signal

1. Remove electronic key from ignition key cylinder.
2. Check the signal between combination flasher unit connector M91 terminal 6 (W/L) and ground with oscilloscope.

Fig 1: Checking BCM Output Signal (1 Of 2)

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

Fig 2: Checking BCM Output Signal (2 Of 2)

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

OK or NG 

1. OK: Check combination flasher unit. Refer to TURN SIGNAL AND HAZARD WARNING LAMPS .
2. NG: GO TO 2.