886500K400 Toyota AMPLIFIER ASSY AIR, Price: 238.51$, Weight: 0.132kg


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

Toyota

886500K400

AMPLIFIER ASSY AIR

0

0.132

2-3

238.51$

Not Available

HVAC Control Amplifier Module for Toyota

Keep cabin comfort steady with this smart A/C brain ❄️. It reads signals from cabin temp, sunload, evaporator, and pressure sensors, then commands the compressor, blower, and air-mix doors. Designed for Toyota HVAC systems, it gives smooth temperature control, quiet fan ramps, and protects the refrigerant loop from icing or overpressure.

Why this part is needed

Without a stable controller, cooling swings hot–cold, windows may fog, and the compressor works harder. This module optimizes comfort, fuel use, and component life .

How it works

A microcontroller processes inputs and outputs PWM to the blower transistor, switches the compressor relay, and positions actuators for mode and recirculation. It can talk over CAN with the dash to display status and store fault codes βš™οΈ.

What if it fails

Common signs: no A/C, random fan speed, short cycling, blinking A/C lamp, DTCs (B14xx), evaporator freeze-up, or doors stuck on hot/cold. Long-term, the compressor may overheat or seize .

Fitment and install tips

Match connectors and case tabs. Disconnect battery, handle electronics ESD-safe, check fuses and refrigerant pressure first. Many Toyota setups self-calibrate actuators after ignition ON; wait 60–90 seconds. No coding is typically needed .

Quality you can trust

OE-grade board, conformal coating, thermal management, and final bench test ensure long service. A direct plug-and-play replacement for restoring factory climate performance βœ….