Body Electrical System

Rear Window Defogger Switch

8steps
~48min
2/5difficulty
Done 0 of 8

Repair Procedures

Inspection

  1. Body electrical system malfunctions can be quickly diagnosed using the vehicle diagnostic system (KDS/GDS). The diagnostic system (KDS/GDS) provides the following information.
    1. Self-Diagnosis: Checks malfunction and Diagnostic Trouble Code (DTC)
    2. Current Data: Check the system input/output status.
    3. Actuation Test: Check the system operating status
    4. Additional Functions: Controls other functions, including system parameter setting and zero point adjustment.
  2. Select "Vehicle Model" and "Body Control Module (BCM)" for inspection to check the vehicle with the scan tool.
  3. Select the "Current Data" menu to check the current input/output status.
  4. To forcibly activate the input value of the module under test, select the "Active Test" option.

Removal

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

Installation

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

Test yourself

A quick Kia Picanto JA quiz: every answer comes with an explanation and a link to the manual page.