Remove
Disconnect the wires from the battery terminals, starting with the negative terminal.
Remove the relay socket to access the passenger compartment blower control ECU.
Remove the air supply duct to the front left of the passenger compartment.
Disconnect the accelerator pedal position sensor connector (fig. 1).
Remove the brake light switch by turning it a quarter of a turn (fig. 2).
Disconnect the connector of the passenger compartment electric fan ECU (Fig. 3)
Inspecting the connector for burnt contacts
Remove the two screws securing the passenger compartment fan control ECU
Removing the electric fan ECU
We press the latch and remove the block of wires from the passenger compartment electric fan
This is how the ECU of the electric heater fan looks like, a car without climate control (Fig. 8).
If the car is equipped with climate control, then the ECU is of the type shown in Figure 9.
Part number (Fig. 10)
To remove such a block, you will need to disconnect the connector from the clip, which prevents the block fastening bolts from approaching.
Remove the two screws with a TORX 20 socket.
Remove block.
To disconnect the harness blocks, press the central lock with a slotted screwdriver and remove the two connectors.
pc. there was a case of failure of the heater electric fan, on a car with climate control.
Having removed the heater ECU unit, disconnected the two parts of the ECU unit casing, brushed the accumulated dust on the electrical part of the board.
After that, set the block in place.
The electric fan started working like new.
Installation is done in reverse order