Can Communication Control
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication recovers normally, it also returns to normal control.
IF NO CAN COMMUNICATION IS AVAILABLE WITH ECM
| Control part |
Fail-safe operation |
| Cooling fan |
- The cooling fan relay turn ON when the ignition switch is turned ON (Cooling fan HI operation)
- The cooling fan relay turn OFF when the ignition switch is turned OFF
|
| A/C compressor |
A/C relay OFF |
IF NO CAN COMMUNICATION IS AVAILABLE WITH BCM
| Control part |
Fail-safe operation |
| Headlamp |
- Turns ON the headlamp low relay when the ignition switch is turned ON
- Turns OFF the headlamp low relay when the ignition switch is turned OFF
- Headlamp high relay OFF
|
- Parking lamp
- Side marker lamp
- License plate lamp
- Illumination
- Tail lamp
|
- Turns ON the tail lamp relay when the ignition switch is turned ON
- Turns OFF the tail lamp relay when the ignition switch is turned OFF
|
| Front wiper motor |
- The status just before activation of fail-safe control is maintained until the ignition switch is turned OFF while the front wiper is operating at LO or HI speed.
- The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-safe control is activated while the front wiper is set in the INT mode and the front wiper motor is operating.
- Returns automatically wiper to stop position when ignition switch is turned ON if fail-safe control is activated while front wiper motor is operated and wiper stop in the other position than stop position.
|
| Horn |
Horn OFF |