RELAY CONTROL SYSTEM: System Description: Description
IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
| Control relay | Input/output | Transmit unit | Control part | Reference page |
|---|---|---|---|---|
|
Front wiper request signal | BCM (CAN) | Front wiper motor | SYSTEM |
| Front wiper stop position signal | Front wiper motor | |||
| Starter relay | Starter relay signal | BCM (CAN) | Starter motor | SYSTEM |
| Transmission range switch signal | Transmission range switch | |||
| Cooling fan relay-1 | Cooling fan speed request signal | ECM (CAN) | Cooling fan | COOLING FAN CONTROL: SYSTEM DESCRIPTION |
| A/C relay | A/C compressor request signal | ECM (CAN) | A/C compressor (Magnet clutch) | SYSTEM
(automatic air conditioning) SYSTEM (manual air conditioning) |
| Ignition relay-1 | Ignition switch ON signal | BCM (CAN) | Each control unit, sensor, actuator and relay (Ignition power supply) | FUEL INJECTION TIMING |
| Vehicle speed signal (Meter) | Combination meter (CAN) | |||
| Push-button ignition switch signal (with Intelligent Key system) | Push-button ignition switch (with Intelligent Key system) | |||
| Ignition switch signal (without Intelligent Key system) | Ignition switch (without Intelligent Key system) |