Can Communication Control

When CAN communication with ECM and BCM is interrupted, IPDM E/R performs fail-safe control.

If no CAN Communication Is Available With ECM

Control part	Fail-safe operation
Cooling fan	The cooling fan is operated at HI speed when the ignition switch is turned ON. Cooling fan operation is turned 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 (LO) when the ignition switch is turned ON. Turns OFF the headlamp (LO) when the ignition switch is turned OFF. Headlamp (HI): OFF
Parking lamp Side marker lamp License plate lamp Tail lamp Illumination	Turns ON the tail lamp, parking lamp, side marker lamp, license plate lamp and each illumination when the ignition switch is turned ON. Turns OFF the tail lamp, parking lamp, side marker lamp, license plate lamp and each illumination 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.
Daytime running light	Daytime running light: OFF
Front fog lamp	Front fog lamp: OFF
Ignition relay-1	The status just before activation of fail-safe is maintained.
Starter motor	Starter relay: OFF