ELECTRICAL
151
ELECTRICAL
power, then the mirrors will fold / unfold automatically which may not be a safe option. Instead, 1 or 2
operations of the mirror switch may resynchronize the mirror positions.
If the BCM is unable to store it’s current state/ position, then upon power OFF and subsequent
power UP, the first action upon a mirror switch activation will be an unfold action.
The mirrors have built in folding motor protection. Simply, if the power fold feature is repeated 10
times in 60 seconds, the feature is disabled for 60 seconds.
D.HEATED REAR WINDOW (HRW):
The heated rear window is controlled by a momentary switch on the vehicle dashboard. The heated
rear window is only active in Vehicle Power State IGNITION or RUN.
The heated rear window activation and deactivation is described below: -
If HRW Relay is OFF and (HRW switch is pressed for at least 500ms AND Battery input is >10.5V
AND Engine RPM is >600RPM AND Ignition is switched ON) then HRW Relay is switched ON.
If HRW Relay is ON and (15 minutes has passed since HRW Relay was switched ON OR HRW switch
is pressed again for at least 500ms i.e. OFF to ON state (high to low signal from HVAC controller). OR
Battery input is <10.5V for 10s OR Engine RPM is <600RPM ORIgnition is switched OFF) then HRW
Relay is switched OFF
If Heated Rear Window is cancelled, the heated rear window relay output is immediately switched off
and, where necessary, the heated rear window timer is reset.
INPUTS/OUTPUTS DIAGRAM:
SIGNAL
LEVEL
TYPE
Battery
High
Input
Ignition switch
High
Input
Parking switch
High
Input
Key In switch
High
Input
Heated rear window switch
High
Input
Heated rear window relay
High
Output




