Fig. 8.53. Rear window heating system: 1 – Rear window heater relay; 2 – air conditioning control unit (automatic air conditioning system); 3 – air conditioning control unit (manual air conditioning system); 4 – Rear window defroster switch; 5 – heated outside mirror; 6 – rear window heater thread
The rear window heater can only operate when the ignition switch is in the "ON" position (Ignition is on).
Fig. 8.54. Assembly diagram of the rear window heating system: 1 – DEFOG 40 A fuse; 2 – fuse METER IG 15 A; 3 – Rear window heater relay; 4 – air conditioning control unit; 5 – microcomputer; 6 – Rear window defroster switch; 7 – Rear window heater indicator lamp; 8 – rear window heater; 9 – heated outside mirror
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Press the switch to turn on the rear window electric heater. The electric heater turns on for about 10-15 minutes and then turns off automatically. When the electric heater is operating, the corresponding indicator lights up (Fig. 8.54).
To force the electric heater to turn off before 10-15 minutes have passed, press the switch again.