Blower Relay
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
BCM turns ON the following relays to supply ignition power supply or ignition switch ON signal to each ECU when the ignition switch is turned ON:
- Ignition relay-1
- Ignition relay (inside IPDM E/R)
- Blower relay
BCM compares status of blower relay control signal, and power supply position judged by BCM.