2. Check PNP Switch Input Signal Circuit For Open And Short-I

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

Turn ignition switch OFF.
Disconnect "unified meter and A/C amp." harness connector M50.
Turn ignition switch ON.
Check voltage between "unified meter and A/C amp." terminals 32, 33 and ground with CONSULT-II or tester under the following conditions.

Fig 1: Test Parameters

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

OK or NG

OK: GO TO 9 .
NG: GO TO 3.

Fig 2: Check Voltage

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