Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Check FAN fuse of engine room J/B.

Fig 1: Locating FAN Fuse
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

PREPARATION:

Remove the FAN fuse from the engine room J/B.

CHECK:

Check the continuity of the FAN fuse.

OK:

Continuity
1. NG: Check for short in all harness and components connected to FAN fuse. Check that the motor is not locked. If locked, replace the motor.
2. OK: Go to next step.
Check blower fan relay . See step 2 of INSPECTION .
1. NG: Replace the blower fan relay.
2. OK: Go to next step.
Check blower motor operation.
PREPARATION:

Remove the blower motor. See COMPONENTS .

CHECK:

Apply battery voltage to the power supply terminal of the motor, and check the fan rotation.

OK:

The fan rotates normally.
1. NG: Replace the blower motor.
2. OK: Go to next step.
Replace battery blower motor controller.