How to troubleshoot an A/C Switch on 2006 Toyota Highlander?

This service requires a disassembly process beginning with the manual air conditioning control knob assembly followed by removal of heater control name sheets in the order No.1 then No.2 using a screwdriver with taped protection. Start by unlocking the cable connector and detaching it before removing the heater control retaining screws and the 8 screws. Remove the air conditioner amplifier assembly by unscrewing three screws from the heater control retainer before taking out the heater blower switch by unfastening its two screws. Begin installation of heater blower switch through screw installation before mounting the air conditioner amplifier assembly to the heater control retainer through 3 screws. Begin with 8 screws to fasten the heater control retainer but reconnect the cable properly then engage its connector lock. Start by installing heater control name sheet No.2 before moving forward with heater control name sheet No.1 and finish the procedure by installing the 3 control knob sub-assembly for manual air conditioning and the 2 control knob sub-assembly for auto air conditioning.

OEM 2006 Toyota Highlander A/C Switch

Air Conditioning Switch

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10 A/C Switches found

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2006 Toyota Highlander Knob
Part Number: 55905-48010
$19.28 MSRP: $26.84
You Save: $7.56 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Knob Sub-Assembly, Control; HVAC Heater Control Knob
- Part Name Code: 55905M
- Item Weight: 0.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 55905-48010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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2006 Toyota Highlander Fan Switch
Part Number: 84732-48010
$68.04 MSRP: $95.51
You Save: $27.47 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Heater Blower; HVAC Blower Control Switch; Climate Control Module; Blower Motor Resistor; Blower Motor Switch; Blower Control Switch
- Part Name Code: 84732H
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.9 x 3.7 x 2.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 84732-48010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Hybrid, Hybrid Limited, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.3 L GAS
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2006 Toyota Highlander Heater Control
Part Number: 55904-48190
$937.49 MSRP: $1373.89
You Save: $436.40 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Housing Sub-Assembly, Headlamp; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit; Housing Sub-Assembly, Heater Control
- Part Name Code: 55904A
- Item Weight: 2.10 Pounds
- Item Dimensions: 11.6 x 8.9 x 3.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55904-48190
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.3 L GAS
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2006 Toyota Highlander Heater Control, Center
Part Number: 55904-48110
$937.49 MSRP: $1373.89
You Save: $436.40 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Housing Sub-Assembly, Headlamp; HVAC Temperature Control Panel, Center; Climate Control Module; Blower Control Switch; Dash Control Unit; Center Display Assy; Housing Sub-Assembly, Heater Control
- Position: Center
- Part Name Code: 55904A
- Item Weight: 3.30 Pounds
- Item Dimensions: 19.1 x 13.4 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55904-48110
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Hybrid, Hybrid Limited, Limited | 4 Cyl 2.4 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.3 L GAS
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2006 Toyota Highlander Knob
Part Number: 55905-48020
$19.28 MSRP: $26.84
You Save: $7.56 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Knob Sub-Assembly, Control; HVAC Heater Control Knob
- Part Name Code: 55905M
- Item Weight: 0.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 3
- SKU: 55905-48020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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2006 Toyota Highlander Blower Motor Switch
Part Number: 84732-48020
$98.81 MSRP: $138.69
You Save: $39.88 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch, Heater Blower; Blower Control Switch; Switch, Rear Heater Blower
- Manufacturer Note: W(REAR HEATER)
- Part Name Code: 84732A
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.6 x 3.1 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 84732-48020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Hybrid, Hybrid Limited, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.3 L GAS
View related parts
2006 Toyota Highlander Control Switch
Part Number: 84730-48010
$79.42 MSRP: $111.47
You Save: $32.05 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Heater Blower; Climate Control Module; Blower Control Switch; Blower Motor Resistor; Blower Motor Switch; Switch
- Manufacturer Note: W(REAR HEATER)
- Part Name Code: 84730
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.9 x 3.7 x 2.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 84730-48010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Hybrid, Hybrid Limited, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.3 L GAS
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2006 Toyota Highlander Dash Control Unit
Part Number: 55904-48180
$1095.21 MSRP: $1605.04
You Save: $509.83 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing Sub-Assembly, Headlamp; Climate Control Module; Housing Sub-Assembly, Heater Control
- Manufacturer Note: LIMITED(USA)
- Part Name Code: 55904A
- Item Weight: 1.40 Pounds
- Item Dimensions: 11.9 x 8.8 x 3.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55904-48180
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
View related parts
2006 Toyota Highlander Heater Control
Part Number: 55904-48100
$1095.21 MSRP: $1605.04
You Save: $509.83 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing Sub-Assembly, Headlamp; HVAC Temperature Control Panel; Climate Control Module; Blower Control Switch; Dash Control Unit; Housing Sub-Assembly, Heater Control
- Manufacturer Note: W(AUTO AIR CONDITIONER)
- Part Name Code: 55904A
- Item Weight: 2.10 Pounds
- Item Dimensions: 11.7 x 8.8 x 3.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55904-48100
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2006 Toyota Highlander Submodels:
- Base, Limited, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.3 L GAS
View related parts
2006 Toyota Highlander Center Display Assy
Part Number: 55904-48180-E0
Product Specifications
- Other Name: Housing Sub-Assembly, Headlamp; HVAC Temperature Control Panel, Center
- Position: Center
- Item Weight: 1.40 Pounds
- Condition: New
- SKU: 55904-48180-E0
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2006 Toyota Highlander Submodels:
- Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)

2006 Toyota Highlander A/C Switch

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2006 Toyota Highlander Parts Questions & Experts Answers

Q: How to troubleshoot an A/C Switch on 2006 Toyota Highlander?
A: This service requires a disassembly process beginning with the manual air conditioning control knob assembly followed by removal of heater control name sheets in the order No.1 then No.2 using a screwdriver with taped protection. Start by unlocking the cable connector and detaching it before removing the heater control retaining screws and the 8 screws. Remove the air conditioner amplifier assembly by unscrewing three screws from the heater control retainer before taking out the heater blower switch by unfastening its two screws. Begin installation of heater blower switch through screw installation before mounting the air conditioner amplifier assembly to the heater control retainer through 3 screws. Begin with 8 screws to fasten the heater control retainer but reconnect the cable properly then engage its connector lock. Start by installing heater control name sheet No.2 before moving forward with heater control name sheet No.1 and finish the procedure by installing the 3 control knob sub-assembly for manual air conditioning and the 2 control knob sub-assembly for auto air conditioning.

Related 2006 Toyota Highlander Parts

Alternate Year Models

2005 Toyota Highlander A/C Switch 2007 Toyota Highlander A/C Switch