How to replace the Engine Control Module (ECM) on 2004 Toyota Matrix?

Start the replacement of the ECM for 1ZZ-FE/2ZZ-GE engines by disconnecting the battery terminal. An ECM replacement requires the glove compartment door removal followed by clip remover usage for unclipping the device while opening its cover and disconnecting four ECM connectors and removing the wire harness from its clamp then unfastening the claw and clip to extract the ECM. The following step requires the removal of the ECM cover through its two double-sided adhesive tape detachment. The procedure starts with the removal of ECM bracket No.2 through screw removal of two screws followed by using the same process to remove ECM bracket No.1. Delco and Denso made ECM bracket No.3 (for 2ZZ-GE engine type) requires unscrewing two screws for removal. First apply 3.2 N.m (33 kgf.cm or 28 in.lbf) torque to ECM bracket No.3 before tightening ECM bracket No.1 and No.2 with the same torque value. Secure new ECM cover to the ECM before tightening the ECM unit to 3.0 N.m (31 kgf.cm, 27 in.lbf). Install the glove compartment door assembly followed by a proper connection of the battery negative terminal using 5.4 N.m (55 kgf.cm, 48 in.lbf) of torque. The DLC3 hand-held tester enables reset memory processing through the ENGINE menu into which the user performs the RESET MEMORY procedure while keeping the ignition switch ON before executing a road test afterward.

OEM 2004 Toyota Matrix Engine Control Module

Engine Control Computer

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6 Engine Control Modules found

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2004 Toyota Matrix ECM
Part Number: 89666-02135
$1220.91 MSRP: $1789.25
You Save: $568.34 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89666-02132, 89666-02134, 89666-02133
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.8 x 10.1 x 4.1 inches
- Condition: New
- SKU: 89666-02135
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Matrix Submodels:
- Base, XR, XRS | 4 Cyl 1.8 L GAS
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2004 Toyota Matrix ECM
Part Number: 89661-01040
$1084.58 MSRP: $1589.47
You Save: $504.89 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Part Name Code: 89661
- Item Weight: 1.40 Pounds
- Item Dimensions: 9.9 x 7.6 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89661-01040
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Matrix Submodels:
- XRS | 4 Cyl 1.8 L GAS
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2004 Toyota Matrix ECM
Part Number: 89666-02164
$855.49 MSRP: $1253.73
You Save: $398.24 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89666-02163, 89666-02162, 89666-02160
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.6 x 10.0 x 4.0 inches
- Condition: New
- SKU: 89666-02164
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Matrix Submodels:
- Base, XR, XRS | 4 Cyl 1.8 L GAS
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2004 Toyota Matrix ECM
Part Number: 89661-01051
$504.12 MSRP: $738.79
You Save: $234.67 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Manufacturer Note: PART NUMBER LABEL=89661-01051
- Part Name Code: 89661
- Item Weight: 2.20 Pounds
- Item Dimensions: 13.1 x 9.8 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89661-01051
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Matrix Submodels:
- XRS | 4 Cyl 1.8 L GAS
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2004 Toyota Matrix ECM
Part Number: 89661-01032
$474.12 MSRP: $694.83
You Save: $220.71 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-01031
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.6 x 10.2 x 4.1 inches
- Condition: New
- SKU: 89661-01032
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Matrix Submodels:
- Base, XR, XRS | 4 Cyl 1.8 L GAS
View related parts
2004 Toyota Matrix ECM
Part Number: 89666-02131
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Manufacturer Note: PART NUMBER LABEL=89666-02131
- Replaces: 89666-02130
- Part Name Code: 89661
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.7 x 9.9 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89666-02131
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Matrix Submodels:
- Base, XR, XRS | 4 Cyl 1.8 L GAS

2004 Toyota Matrix Engine Control Module

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2004 Toyota Matrix Parts Questions & Experts Answers

Q: How to replace the Engine Control Module (ECM) on 2004 Toyota Matrix?
A: Start the replacement of the ECM for 1ZZ-FE/2ZZ-GE engines by disconnecting the battery terminal. An ECM replacement requires the glove compartment door removal followed by clip remover usage for unclipping the device while opening its cover and disconnecting four ECM connectors and removing the wire harness from its clamp then unfastening the claw and clip to extract the ECM. The following step requires the removal of the ECM cover through its two double-sided adhesive tape detachment. The procedure starts with the removal of ECM bracket No.2 through screw removal of two screws followed by using the same process to remove ECM bracket No.1. Delco and Denso made ECM bracket No.3 (for 2ZZ-GE engine type) requires unscrewing two screws for removal. First apply 3.2 N.m (33 kgf.cm or 28 in.lbf) torque to ECM bracket No.3 before tightening ECM bracket No.1 and No.2 with the same torque value. Secure new ECM cover to the ECM before tightening the ECM unit to 3.0 N.m (31 kgf.cm, 27 in.lbf). Install the glove compartment door assembly followed by a proper connection of the battery negative terminal using 5.4 N.m (55 kgf.cm, 48 in.lbf) of torque. The DLC3 hand-held tester enables reset memory processing through the ENGINE menu into which the user performs the RESET MEMORY procedure while keeping the ignition switch ON before executing a road test afterward.