How to replace the Engine Control Module (ECM) on 2005 Toyota 4Runner?

Replacing the Engine Control Module (ECM) requires starting with Instrument Panel Under Cover Sub-Assembly No. 2 removal before removing the glove compartment door sub-assembly and finally removing the instrument panel finish panel lower No. 2. Begin by disconnecting the 5 ECM connectors from the ECM as the next step and unload the ECM by removing the 3 nuts and detaching it from the 2 screws on the ECM brackets No. 1 and No. 2. Begin by securely mounting ECM bracket No. 2 to the ECM with both of its screws before proceeding with ECM bracket No. 1 and its corresponding screws. Reattach the ECM using 3 nuts which should be tightened with 13 Nm force (133 kgf.cm, 10 ft.lbf) torque while reconnecting the 5 ECM connectors.

OEM 2005 Toyota 4Runner Engine Control Module

Engine Control Computer

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8 Engine Control Modules found

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2005 Toyota 4Runner ECM
Part Number: 89661-35A41
$815.49 MSRP: $1195.10
You Save: $379.61 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-35A40
- Part Name Code: 89661
- Item Weight: 1.40 Pounds
- Item Dimensions: 10.0 x 7.8 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89661-35A41
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5
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2005 Toyota 4Runner ECM
Part Number: 89661-35A02-84
$554.22 MSRP: $817.56
You Save: $263.34 (33%)
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Product Specifications
- Other Name: Reman, Engine Ecu; Engine Control Module
- Replaces: 89661-35A01, 89661-35A00
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.7 x 10.3 x 4.1 inches
- Condition: New
- SKU: 89661-35A02-84
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2005 Toyota 4Runner ECM
Part Number: 89661-35A23
$980.52 MSRP: $1436.96
You Save: $456.44 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-35A20, 89661-35A22, 89661-35A21
- Item Weight: 1.90 Pounds
- Condition: New
- SKU: 89661-35A23
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS
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2005 Toyota 4Runner ECM
Part Number: 89661-35A13
$1021.83 MSRP: $1497.50
You Save: $475.67 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89666-35620, 89661-35A12, 89666-35621, 89661-35A11, 89661-35A10
- Item Weight: 2.20 Pounds
- Condition: New
- SKU: 89661-35A13
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2005 Toyota 4Runner ECM
Part Number: 89661-35A52
$851.47 MSRP: $1247.83
You Save: $396.36 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-35A51, 89661-35A50
- Condition: New
- SKU: 89661-35A52
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5
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2005 Toyota 4Runner ECM
Part Number: 89661-35A83
$825.36 MSRP: $1209.57
You Save: $384.21 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-35A80, 89661-35A81, 89661-35A82
- Item Weight: 1.80 Pounds
- Condition: New
- SKU: 89661-35A83
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS
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2005 Toyota 4Runner ECM
Part Number: 89661-35A73
$658.40 MSRP: $964.90
You Save: $306.50 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-35A71, 89661-35A72, 89661-35A70
- Condition: New
- SKU: 89661-35A73
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS
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2005 Toyota 4Runner ECM
Part Number: 89661-35A33
$965.08 MSRP: $1414.33
You Save: $449.25 (32%)
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-35A32, 89661-35A30
- Item Weight: 1.90 Pounds
- Condition: New
- SKU: 89661-35A33
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS

2005 Toyota 4Runner Engine Control Module

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2005 Toyota 4Runner Parts Questions & Experts Answers

Q: How to replace the Engine Control Module (ECM) on 2005 Toyota 4Runner?
A: Replacing the Engine Control Module (ECM) requires starting with Instrument Panel Under Cover Sub-Assembly No. 2 removal before removing the glove compartment door sub-assembly and finally removing the instrument panel finish panel lower No. 2. Begin by disconnecting the 5 ECM connectors from the ECM as the next step and unload the ECM by removing the 3 nuts and detaching it from the 2 screws on the ECM brackets No. 1 and No. 2. Begin by securely mounting ECM bracket No. 2 to the ECM with both of its screws before proceeding with ECM bracket No. 1 and its corresponding screws. Reattach the ECM using 3 nuts which should be tightened with 13 Nm force (133 kgf.cm, 10 ft.lbf) torque while reconnecting the 5 ECM connectors.

Related 2005 Toyota 4Runner Parts

Alternate Year Models

2004 Toyota 4Runner Engine Control Module 2006 Toyota 4Runner Engine Control Module