1. Disconnect the ground cable from the negative battery terminal.
2. The fan assembly is located in the passenger compartment above the footwell on the passenger side.
3. On models prior to 2000, remove the glove compartment door (see chapter 11).
4. Disconnect the wiring connector from the fan motor.
5. To remove the motor, unscrew the mounting screws and remove the fan assembly from the housing downwards (see Figure 8.5).
Figure 8.5. Heater fan motor:
A - Motor wiring connector;
B - Fan motor.
6. If you are going to replace the fan motor, transfer the impeller from the old motor to the new one.
(The official source is on the portal: toyotaman)
Figure 8.6. Loosen and remove the retainer with pliers and remove the impeller from the heater fan motor shaft.
7. Installation of the fan unit is carried out in the reverse order of its removal.