Canada - A/C - No Air Flow From Center Vents

Bulletin
1244

Issue Date
2003-09-09

Reference
HA-03-002

Model
Corolla, Matrix

Year Range
2003

Market
Canada

Component
HA

Subject:
NO AIR FLOW FROM CENTER VENTS

On some 2003 Corolla and Matrix vehicles, customers may feel that there is no air flow from the center vents. A mode damper control cable adjustment will correct this concern.

APPLICABLE VEHICLES: 2003 model year Corolla and Matrix vehicles.

REPAIR PROCEDURE:







1. Verify Customer Concern.
A. With the ignition on, turn the blower control to high.
B. Turn the model control switch to defrost.
C. Turn the mode control switch counterclockwise, from defrost to foot face mode, noting the amount of air flow coming from the center vents when in the foot face mode.
D. Turn the mode control switch to face.
E. Turn the mode control switch clockwise, from face to foot face mode noting the amount of air flow when in the foot face mode.
F. If the amount of air flow from the center vents, when in the foot face position, is noticeably less when turning the mode switch counterclockwise than it is when turning the mode switch clockwise, continue with this repair procedure.







2. Access Mode Damper Control Cable.
A. Remove the glove box.
a) Remove the screw from the glove compartment door stopper sub assembly.
b) Deform the upper part of the glove compartment door assembly to release the stoppers.
c) Pull the glove compartment door assembly upward to remove it.







3. Remove Mode Damper Control Cable From Clamp.
A. Turn the mode control switch to the face position.
B. Lightly pull open the retaining cable clamp.
C. Push the cable up to release from cable clamp.

NOTE:
Be careful not to bend the cable wire. If the cable wire bends, the mode control adjustment cannot be completed correctly.







4. Adjust Mode Damper Control Cable.
A. Install the cable to the cable clamp while slightly pressing it in the direction of the arrow.

5. Verify Correct Operation.
A. Operating the mode control lever, check that it properly stops at both ends of face and defrost.
B. With the ignition on, turn the blower control to high.
C. Turn the mode control switch to defrost.
D. Turn the mode control switch counterclockwise, from defrost to foot face mode, noting the amount of air flow coming from the center vents when in the foot face mode.
E. Turn the mode control switch to face.
F. Turn the mode control switch clockwise, from face to foot face mode, noting the amount of air flow when in the foot face mode.
G. The amount of air flow from the center vents, when in the foot face position, should be the same when turning the mode switch counterclockwise or clockwise.







REPAIR TIME:

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.