VARIABLE FRESH AIR DUCT (VFAD) ACTUATOR INSPECTION (13B-MSP (HIGH POWER))


BHE011301005W11

1. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.)

2. Disconnect the vacuum hose of the VFAD actuator.

3. Install the vacuum pump to the VFAD actuator.

4. Verify that the rod moves as indicated in the table below when gradually applying a vacuum to the VFAD actuator.

• If it cannot be verified, replace the fresh-air duct. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
Rod movement

Vacuum

(kPa {mmHg, inHg})

Rod movement

-13 {-97.5, -3.8} or more
Starts to move
-40 {-300.0, -11.8} or less
Fully pulled
-8.7 {-65.3, -2.6} or more
Fully returned