| 1. |
Accessory relay-2 |
- Accessory relay-2 is controlled by BCM.
- Accessory relay-2 supplies accessory power supply or ignition switch ACC signal to each ECU when ignition switch is turned to ACC or ON.
- BCM compares status of accessory relay-2 control signal, and ignition switch position judged by BCM.
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| 2. |
BCM |
- BCM controls power distribution system.
- BCM judges ignition switch position by push-button ignition switch (push switch) and vehicle condition.
- BCM checks ignition switch position internally.
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| 3. |
Push-button ignition switch |
Push-button ignition switch (push switch) is pressed, and transmits status signal to BCM and IPDM E/R. |
| 4. |
IPDM E/R |
- IPDM E/R detects push-button ignition switch (push switch) status, and transmits push-button ignition switch status signal (CAN) to BCM.
- IPDM E/R receives ignition relay-1 (IPDM E/R) control signal and ignition switch ON signal (CAN) from BCM, and controls ignition relay-1 (built into IPDM E/R)
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| 5. |
Blower relay (in fuse block) |
- Blower relay is controlled by BCM.
- Blower relay supplies ignition switch ON power supply or ignition switch ON signal to air conditioning system when ignition switch is turned ON.
- BCM compares status of blower relay control signal and ignition switch position judged by BCM.
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| 6. |
Accessory relay-1 (in fuse block) |
- Accessory relay-1 is controlled by BCM.
- Accessory relay-1 supplies accessory power supply or ignition switch ACC signal to each ECU when ignition switch is turned ACC or ON.
- BCM compares status of accessory relay-1 control signal, and ignition switch position judged by BCM.
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| 7. |
Ignition relay-2 (in fuse block) |
- Ignition relay-2 is controlled by BCM.
- Ignition relay-2 supplies ignition switch ON power supply or ignition switch ON signal to each ECU and system when ignition switch is turned ON.
- BCM compares status of ignition relay-2 control signal and ignition switch position judged by BCM.
- BCM monitors ignition relay-2 operating status by ignition relay feedback signal.
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