Operation Mode

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

Combination switch reading function has operation modes shown below.

Normal status
- When BCM is not in sleep status, OUTPUT terminals (1-5) each send out ON signal every 10 ms.
Sleep status
- When BCM is in sleep status, transistors of OUTPUT 1 and 5 stop the output, and BCM enters low power mode. Mean while OUTPUT 2, 3, and 4 send out ON signal every 60 ms, and only input from light switch system.
Fig 1: Combination Switch Reading Function Operation Modes Chart
Courtesy of NISSAN MOTOR CO., U.S.A.