Canada - A/C - Abnormal Blower Motor Operation

Bulletin
TSB2288R

Issue Date
2005-08-23

Market
Canada

Title
BLOWER MOTOR ABNORMAL OPERATION

Component
HEATING & AIR CONDITIONING

Models
'03 - '05 4Runner

TSB REVISION NOTICE:
- September 14, 2005: The "Parts Identification" section has been updated.
Previous versions of this TSB should be discarded.

INTRODUCTION:
Some 2003 - 2005 model year 4Runner vehicles may experience a condition where the blower motor speed does not match the HVAC display indication. The blower motor controller has been modified to resolve this condition. Follow the repair procedure described in this TSB.

APPLICABLE VEHICLES:
- 2003 - 2005 model year 4Runner vehicles produced BEFORE the Production Change Effective VINs shown below.

PRODUCTION CHANGE INFORMATION:

WARRANTY INFORMATION:

PARTS INFORMATION:

PARTS IDENTIFICATION:

Countermeasure service parts are identified by the 4-digit date code printed on the bottom of the blower motor controller cooling fins. Date code is 2 G 17or later.

COMPONENTS:

REPAIR PROCEDURE:
1. Remove the negative (-) battery terminal.

NOTICE:
Failure to complete step "1" above may result in internal damage to the transfer case shifting mechanism.

2. Remove the instrument panel under cover sub-assembly No. 2.
A. Remove the screw.

B. Disengage the 3 clips.
C. Disconnect the wire harness from the 4WD computer.
D. Remove the instrument panel under cover sub-assembly No. 2.

3. Remove the blower motor controller.
A. Disconnect the wire harness connector.
B. Remove the two retaining screws.

C. Remove the blower motor controller from the HVAC module.

4. Install the NEW blower motor controller.
A. Insert the blower motor controller into the HVAC module.
B. Install the two retaining screws.
C. Connect the wire harness.

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.