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
FAIL-SAFE OPERATION CHART
| Control part |
Fail-safe in operation |
| Cooling fan |
- Turns ON the cooling fan relay when the ignition switch is turned ON
- Turns OFF the cooling fan relay when the ignition switch is turned OFF
|
If No CAN Communication Is Available With BCM
FAIL-SAFE OPERATION CHART
| Control part |
Fail-safe in 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 (LH/RH) high relays OFF
|
- Parking lamps
- License plate lamps
- Tail lamps
|
- 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 |
- 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.
|
| Rear window defogger |
Rear window defogger relay OFF |
| A/C compressor (if equipped) |
A/C relay OFF |
| Front fog lamps (if equipped) |
Front fog lamp relay OFF |