How to install the Engine Control Module on 2009 Toyota Highlander?

The first step in ECM installation requires attachment of ECM brackets through four screws followed by mounting the ECM on the bracket with one bolt and two nuts applied at 8.0 Nm torque specification (82 kgf-cm, 71 in-lbf). After mounting the two wire harness clamps you must install the tire pressure warning ECU before connecting it to its connector while tightening the nut to 8.5 Nm (87 kgf-cm, 75 in-lbf). Connect the 6 ECM connectors. The series of sub-assemblies starts with the lower instrument panel followed by the No. 2 instrument panel under cover and then ends with cowl side trim sub-assembly RH and front door scuff plate RH installation. Attach the negative battery cable terminal before finishing the setup and observe that system initialization steps may be needed during reconnection. It is essential to register the ECU communication ID for immobiliser system and input Vehicle Identification Number (VIN) into replacement ECM because reconnecting the negative battery terminal alone will not perform initialization procedures.

OEM 2009 Toyota Highlander Engine Control Module

Engine Control Computer

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2009 Toyota Highlander ECM
Part Number: 89661-48G21
$753.74 MSRP: $1104.61
You Save: $350.87 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-48G20
- Item Weight: 2.30 Pounds
- Condition: New
- SKU: 89661-48G21
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2009 Toyota Highlander Submodels:
- Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV)
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2009 Toyota Highlander ECM
Part Number: 89661-0E332
$724.57 MSRP: $1061.87
You Save: $337.30 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-48B71, 89661-0E331, 89661-48B70
- Item Weight: 2.40 Pounds
- Condition: New
- SKU: 89661-0E332
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2009 Toyota Highlander Submodels:
- Base, Limited, SE, Sport | 6 Cyl 3.5 L GAS
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2009 Toyota Highlander ECM
Part Number: 89661-48F30
$546.85 MSRP: $801.43
You Save: $254.58 (32%)
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Product Specifications
- Other Name: Engine Control Module; Computer, Engine Control
- Part Name Code: 89661
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.6 x 9.9 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89661-48F30
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2009 Toyota Highlander Submodels:
- Base | 4 Cyl 2.7 L GAS
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2009 Toyota Highlander ECM
Part Number: 89661-0E322
$712.20 MSRP: $1043.74
You Save: $331.54 (32%)
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-48B62, 89661-48F10, 89661-0E321, 89661-48F11
- Item Weight: 1.90 Pounds
- Condition: New
- SKU: 89661-0E322
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2009 Toyota Highlander Submodels:
- Base, Limited, SE, Sport | 6 Cyl 3.5 L GAS

2009 Toyota Highlander Engine Control Module

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2009 Toyota Highlander Engine Control Module Parts Q&A

Q: How to install the Engine Control Module on 2009 Toyota Highlander?
A: The first step in ECM installation requires attachment of ECM brackets through four screws followed by mounting the ECM on the bracket with one bolt and two nuts applied at 8.0 Nm torque specification (82 kgf-cm, 71 in-lbf). After mounting the two wire harness clamps you must install the tire pressure warning ECU before connecting it to its connector while tightening the nut to 8.5 Nm (87 kgf-cm, 75 in-lbf). Connect the 6 ECM connectors. The series of sub-assemblies starts with the lower instrument panel followed by the No. 2 instrument panel under cover and then ends with cowl side trim sub-assembly RH and front door scuff plate RH installation. Attach the negative battery cable terminal before finishing the setup and observe that system initialization steps may be needed during reconnection. It is essential to register the ECU communication ID for immobiliser system and input Vehicle Identification Number (VIN) into replacement ECM because reconnecting the negative battery terminal alone will not perform initialization procedures.