Canada - A/C - Control Panel Illumination Too Dim/Flickers

Bulletin
TSB3408

Issue Date
June 18, 2010

Market
Canada

Title
HVAC CONTROL PANEL ILLUMINATION DIM

Component
HEATING / AIR CONDITIONING

Models
'03-'09 4Runner

INTRODUCTION:
Some 2003-2009 4Runner vehicles may exhibit a condition where the HVAC control panel illumination is dim, flickering, or intermittently inoperative. A newly designed light bulb has been made available to resolve this concern.






APPLICABILITY:

PRODUCTION CHANGE INFORMATION:







This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown.






WARRANTY INFORMATION:






PARTS INFORMATION:






REQUIRED TOOLS & EQUIPMENT:


NOTE:
Additional SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.

REPAIR PROCEDURE:







1. Confirm that the customer's concern is of a dim, flickering, or intermittently inoperative HVAC illumination panel in the area shown in Figure 1.
2. Remove the air conditioning control assembly. Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: 4Runner
- Year: 2003 / 2004 / 2005
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning Control Assy: Overhaul

- Division: Toyota
- Model: 4Runner
- Year: 2006 / 2007
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Air Conditioning Control Assembly: Removal

- Division: Toyota
- Model: 4Runner
- Year: 2008 / 2009
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Air Conditioning Panel: Removal







3. Replace the 2 light bulbs for the HVAC control panel illumination circuit. (Refer to Figure 2.)

Using a small flat blade screwdriver, turn the light bulbs counter clockwise to remove and clockwise to install/tighten.

4. Install the air conditioning control assembly. Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: 4Runner
- Year: 2003 / 2004 / 2005
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning Control Assy: Overhaul

- Division: Toyota
- Model: 4Runner
- Year: 2006 / 2007
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Air Conditioning: Air Conditioning Control Assembly: Installation

- Division: Toyota
- Model: 4Runner
- Year: 2008 / 2009
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Air Conditioning Panel: Installation

5. Confirm the HVAC Control Panel Illumination and Controls are operating correctly.

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.