2. Check Ground Connections

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 A/C switch and blower switch OFF.
Stop engine.
Turn ignition switch OFF.
Loosen and retighten two ground screws.
Refer to GROUND INSPECTION .

Fig 1: Identifying Engine Ground Wires
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 3.
NG: Repair or replace ground connections.