Heated Glass Element Switch: Testing and Inspection

REAR END DOOR WINDOW DEFOGGER SWITCH INSPECTION

1. Check rear end door window defogger switch for operation as follows.
a. Rear end door window defogger switch is built in HVAC control unit.
Remove HVAC control module (unit) referring to HVAC Control Unit Removal and Installation or HVAC Control Module Removal and Installation:Automatic Type.
b. Check that there is continuity between terminal (1) and terminal (2) of HVAC control module (unit) when rear end door window defogger switch is at ON position. (Rear end door window defogger switch is kept in push.)
c. Check that there is no continuity between terminal (1) and terminal (2) of HVAC control module (unit) when rear end door window defogger switch is at OFF position.

If check result does not meet the above conditions, replace HVAC control module (unit).