1. Remote Keyless Entry Receiver Signal

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.

Check signal voltage waveform between BCM connector terminal 20 and ground using an oscilloscope.

Fig 1: Signal Voltage Chart

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

Fig 2: Checking Signal Voltage

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

OK or NG

OK >> Remote keyless entry receiver signal is OK.
NG >> GO TO 2.