Check Key Switch Input Signal

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.

With CONSULT-II

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT-II. Refer to DATA MONITOR .

When key is inserted to ignition key cylinder:
1. KEY ON SW: ON
When key is removed from ignition key cylinder:
1. KEY ON SW: OFF

Fig 1: Checking Key Switch Input Signal With CONSULT-II

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

Without CONSULT-II

Check voltage between BCM connector M18 terminal 37 and ground.

Fig 2: Connector Terminals Voltage Specifications (M 18)

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

OK or NG

OK >> Key switch circuit is OK.
NG >> GO TO 2

Fig 3: Checking Key Switch Input Signal Without CONSULT-II

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