OEM 2004 Scion xA A/C Switch

2004 Scion xA Parts Questions & Experts Answers

• Q: How to replace the A/C Switch in the Heater or Boost Ventilator Control Assembly on 2004 Scion xA?

  A: You must begin the replacement process of the Heater or Boost Ventilator Control Assembly by first uninstalling the Instrument Cluster Finish Panel Garnish No.2 and No.1 then three heater control knobs. The Instrument Cluster Finish Panel Sub Assy CTR should be completely removed through the process of unscrewing four screws and disengaging four clips and a claw before disconnecting all connectors. Use a screwdriver equipped with tape around the tip to open the cable clamp's claw in order to disconnect the defroster damper control cable sub assy and the air mix damper control cable sub assy from their connectors. Take precaution to not bend any cable wires because such deformation might minimize operational capability. You should begin by unlocking and pulling out the air inlet damper control lever after disengaging its claw followed by removing the heater switch assembly with two screws. Remove the component of the Heater or Boost Ventilator Control Assy. The installation of air mix damper control cable sub assy begins by attaching its inner cable end to Heater Control & Accessory Assy and then fastening its outer cable onto the cable clamp while maintaining a straight cable wire position to prevent operational problems. The heater control knob should stop at the correct positions of both MAX. HOT and MAX. COOL during testing. COOL and MAX. Check for maximum hot and hot and maximum cool positions without cable recoil as well as confirm the outer cable will not come loose when pulled. The installation process begins by securing the defroster damper control cable sub assy inner end onto the heater control lever while attaching the outer cable to the cable clamp along with reattaching the connector before installing the Heater Control & Accessory Assy with straight cable wire placement. The heater control knob must stop properly at FACE and DEF settings without any backlashes and the outer cable needs to stay secured when the device operates.