Rear Window Defogger Switch Repair Procedures

Inspection

1. 1
   Body electrical system malfunctions can be quickly diagnosed with the Global Diagnostic System (GDS). The GDS provides the following information.

   1. Self-Diagnosis: Diagnostic Trouble Code (DTC) check and display
   2. Current Data: Check the system input/output status.
   3. Actuation Test: Check the system operating status
   4. Additional Function: Other controls, such as system variant and zero point
2. 2
   Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
3. 3
   Select "Smart Junction Box (SJB)" to check the windshield de-icer.
4. 4
   Select the "Current Data" menu to check the current input/output status. Input/output data for sensors related to the Smart Junction Box (SJB) can be checked.

   

5. 5
   Select "Actuation Test" to forcibly operate the Smart Junction Box (SJB) data.

   

Removal

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the heater and A/C control unit. (Refer to Heating, Ventilation, and Air Conditioning - Heater and Air Conditioner). Control Unit (Dual))

Installation

1. 1
   Install the heater and A/C control unit.
2. 2
   Connect the negative (-) battery terminal.