3. Check Power Source

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 "ON". (Do not start engine.)
Check the voltage between tow mode switch connector M67 (column shift) or M254 (floor shift) terminal 1 (LG/R) and ground.

Fig 1: Voltage Chart

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

OK or NG

OK: Inspection End.
NG: GO TO 4.

Fig 2: Checking Voltage
Courtesy of NISSAN MOTOR CO., U.S.A.