Toyota Workshop Service and Repair Manuals

Blower Motor: Testing and Inspection
Automatic

1.

Blown circuit breaker or fuse.

2.

Defective blower motor.

3.

Defective blower relay.

4.

Defective blower or A/C cut-off relay.

5.

Defective blower switch.

6.

Defective A/C auto relay.

7.

Defective water temperature switch.

8.

Defective blower resistor.

9.

Defective wiring connection.

10.

Defective power transistor.

11.

Defective ambient temperature sensor.

12.

Defective A/C control assembly.

13.

Defective air flow mode control servo.