1. Check Load Signal Circuit Overall Function-I

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch ON.
Connect CONSULT-II or GST and select "DATA MONITOR" mode.

Fig 1: Scan Tool Display - Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.
Select "LOAD SIGNAL" and check indication under the following conditions.

Fig 2: Inspecting Conditions Chart

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

OK or NG

OK: GO TO 2.
NG: GO TO 3. CHECK REAR WINDOW DEFOGGER FUNCTION .