Ignition Relay
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 (fuse block)
- Ignition relay (IPDM E/R)
- Blower relay
BCM compares following status comparing.
- Ignition relay (fuse block) control signal, and power supply position judged by BCM
- Ignition relay (IPDM E/R) control request, and Ignition relay (IPDM E/R) status