1. Disconnect the negative battery cable..
2. Remove the power window subswitch..
3. Verify that the continuity between the power window subswitch terminals is as indicated in the table.

If not as indicated in the table, replace the power window subswitch.

Power Window Subswitch
Power Window Subswitch Removal/InstallationCargo Compartment Light Bulb Removal/Installation
1. Disconnect the negative battery cable..
CAUTION:
Always disconnect the negative battery cable before performing the cargo
compartment light bulb removal. Otherwise, the circuit may be shorted resulting
in damage to the related parts such as the rear body control module (RBCM).
...
Rear Window Defroster/Outer Mirror Heater
Outline
Fogging is cleared from the rear window and outer mirror glass by heating
of the filament.
Structural view
System wiring diagram
Vehicles with full-auto air conditioner system
Vehicles with manual air conditioner system
Construction
Rear window defroster
...
Front Body Straight Line Dimensions (1) [Dimensions]
Point symbol
Designation
Hole diameter or bolt or nut size mm {in}
A
Cowl panel installation hole
?5 {0.2}
B
Wiper bracket datum hole
?7 {0.3}
C
...