Canada - A/C - Blower Motor Only Works on High Speed

Bulletin
TSB2183

Issue Date
2005-01-17

Market
Canada

Title
BLOWER MOTOR ONLY WORKS ON HIGH SPEED

Component
HEATING & AIR CONDITIONING

Models
'00 - '03 ECHO

NOTE:
This TSB replaces the previous TSB # 1327 "Improper Operation Of The Blower Motor." The main change in this new TSB is the addition of the HVAC pollen filter.

INTRODUCTION:
Some 2000 to 2003 model year ECHO customers may experience a blower fan which only works on high speed. A production change was implemented to the air duct to prevent this condition. This TSB provides a field fix repair to improve this condition. Follow the repair procedures described below.

APPLICABLE VEHICLES:
- 2000 - 2003 model year Echo vehicles produced BEFORE the Production Change Effective VINs shown below.






PRODUCTION CHANGE INFORMATION:






PARTS INFORMATION:






WARRANTY INFORMATION:

REPAIR PROCEDURE: INSPECTION

HTR Fuse, Blower Resistor and Blower Motor






1. Inspect HTR Fuse.
A. Remove the HTR fuse from the instrument panel Junction Block.
B. Visually inspect heater fuse. If the fuse is open, replace the HTR fuse.











2. Inspect Blower Resistor Resistance.
If resistance is not as specified, replace the blower resistor.











3. Inspect Blower Motor Operation.
Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the motor operates smoothly.

If operation is not as specified, replace the blower motor.

REPAIR PROCEDURE: REPLACEMENT

Replace Blower Resistor and Blower Motor
1. Remove Glove Compartment Door.
2. Remove Engine Engine Control Module or ECM (SAE term: Powertrain Control Module/PCM).
A. Disconnect the wire harness clamps.
B. Disconnect the connectors.
C. Remove the 2 bolts and engine ECU.






3. Cold Spec Heater Models Only: Remove Air Duct (Motor Cover).
A. Disconnect the control link.
B. Disconnect the connectors.
C. Disconnect the connector clamps.
D. Disconnect the wire harness clamps.
E. Remove the screw.
F. Release the claw and remove the air duct.






4. Remove Blower Resistor.
A. Disconnect the connector.
B. Remove the 2 screws and blower resistor.






5. Remove Blower Motor.
A. Disconnect the connector.
B. Remove the 3 screws and blower motor.

6. Install Blower Motor.
7. Install Blower Resistor.
Cold Spec Heater Models Only:

8. Install Air Duct (Motor Cover).
9. Install Engine ECU.
10. Install Cabin Air Filter.






NOTE:
The vehicle may not have had the cabin air filter. The addition of the filter is part of this repair procedure.






11. Attach A/C Filter Label.
Adhere the A/C Filter Label to the backside of the glove box compartment door.

12. Install Glove Compartment Door.
13. Verify the operation of the blower motor at all speeds.

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