8644260120 Toyota BOARD, HEATER CONTROL SWITCH, Price: 243.96$, Weight: 0.435kg


Make Number Name Availability Weight, kg Ship in, Days Price

Toyota

8644260120

BOARD, HEATER CONTROL SWITCH

0

0.435

2-3

243.96$

Not Available

Compatibility

DescriptionModelOptionsProd PeriodDiagram
GDJ150,GRJ150,KDJ150,LJ150,TRJ15#TRJ150L-GKPEKVATM,MTM: AUTOMATIC TRANSMISSION; NO. Of Doors: 5-DOOR; Driver's Position: LEFT-HAND DRIVE VEHICLES; Gear Shift Type: ATM, 4-SPEED FLOOR SHIFT; Engine: (2TRFE) 2700CC 16-VALVE DOHC EFI; Destination: GULF CORPORATION COUNCIL08.2009 - 06.2015 View

HVAC Control Circuit Board for Toyota Climate Panel

Why this part is needed

This board is the brain of your cabin climate system. It interprets knob or button inputs, then commands fan speed, temperature blend, A/C, and airflow direction. With a healthy board, you get fast defogging, steady heat in winter , and crisp A/C in summer ❄️.

How it works

Inside the dash, the PCB processes low‑voltage signals from the control panel. It outputs precise commands to the blower resistor/module, blend and mode door actuators, recirculation flap, and A/C clutch relay. It also manages illumination and may communicate on the vehicle network for smooth, coordinated HVAC performance.

What happens if it’s broken

Common signs include dead or stuck fan speeds, random temperature swings, no A/C engagement, non‑moving vents, clicking actuators, blinking A/C light, backlight failure, blown HVAC fuses, or battery drain. Driving impact: slow defrosting, fogged glass, poor comfort, and extra load on related components.

Tech tips

Disconnect battery, handle by edges, avoid static, check connectors and grounds, and run an actuator recalibration after install.

Compatibility

  • Land Cruiser Prado