How to remove and replace the Engine Control Module (ECM) on Scion tC?

The first step to replace the Engine Control Module (ECM) for the 2AZ-FE engine control system includes removing the cable from the negative battery terminal while waiting for 90 seconds to avoid Air Bag and seat belt pretensioner activation. The glove compartment door requires removal as the first step. After disconnecting the wire harness clamp you must separate all 4 ECM connectors before ECM removal can continue. After disconnecting the ECM from its mounting position users should remove the bolt, screw and finally the Engine Control Module itself.

How to remove and replace the Engine Control Module (ECM) on Scion xB?

The first step for ECM (Engine Control Module) removal and replacement of 2AZ-FE engine control system begins with removing air cleaner assembly hardware by unplugging the mass air flow meter connector, unharnessing the wire harness, loosening the No. 1 air cleaner hose clamp, unlocking the air cleaner assembly clamp and removing the air cleaner cap subassembly before continuing to extract the air cleaner filter element subassembly and then the air cleaner case subassembly using 3 bolts. Begin ECM removal by detaching the two lock knobs and harness clamp before disconnecting the two ECM connectors then removing the engine wire then taking away the two ECM bolts and four screws anchoring the ECM bracket.

How to register the Identification Number (VIN) into the replacement Engine Control Module (ECM) on Scion xA?

The process of registering the Vehicle Identification Number (VIN) into a new Engine Control Module (ECM) requires using a hand-held tester to enter the VIN alphanumeric code with its 17 digits. VIN registration demands adhering to input instructions followed by VIN reading then final step is VIN writing. The testing device requires the arrow buttons UP, DOWN, RIGHT, LEFT and numerical buttons 0 to 9 for entering information. The RIGHT and LEFT buttons control cursor movement while UP and DOWN buttons select letters but to enter numbers users need to select corresponding numerical buttons. Positions your cursor on the incorrect character by selecting RIGHT or LEFT buttons and pick the right letter by selecting UP/DOWN or entering numbers through buttons. Verify that the entered VIN matches the vehicle VIN then use the ENTER key to complete the input. When reading the VIN operators should use the hand-held tester but they should also follow the same procedure to input the VIN using the tester.

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57 Engine Control Modules found

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Scion ECM
Part Number: 89661-12T90
$594.96 MSRP: $871.92
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xB | 2013-2015 | Base | 4 Cyl 2.4 L GAS
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Scion ECM
Part Number: 89661-52Y50
$405.23 MSRP: $593.87
You Save: $188.64 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xD | 2013-2014 | Base | 4 Cyl 1.8 L GAS
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Scion ECM
Part Number: 89666-52310
$441.99 MSRP: $647.74
You Save: $205.75 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xA | 2004 | Base | 4 Cyl 1.5 L GAS
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Scion ECM
Part Number: 89661-21460
$614.70 MSRP: $900.85
You Save: $286.15 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- tC | 2006 | Base | 4 Cyl 2.4 L GAS
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Scion ECM
Part Number: 89661-52A60
$441.13 MSRP: $646.48
You Save: $205.35 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xA | 2005 | Base | 4 Cyl 1.5 L GAS
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Scion ECM
Part Number: 89661-21642
$491.22 MSRP: $719.89
You Save: $228.67 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-21641, 89661-21640
Fits the following Scion Models:
- tC | 2013-2016 | Base | 4 Cyl 2.5 L GAS
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Scion ECM
Part Number: 89661-74471
$618.22 MSRP: $906.01
You Save: $287.79 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Computer, Engine Control
Fits the following Scion Models:
- iQ | 2015 | Base | 4 Cyl 1.3 L GAS
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Scion ECM
Part Number: 89661-74450
$546.04 MSRP: $800.23
You Save: $254.19 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-74100
Fits the following Scion Models:
- iQ | 2012 | Base | 4 Cyl 1.3 L GAS
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Scion ECM
Part Number: 89661-0W172
$561.64 MSRP: $823.10
You Save: $261.46 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-0W170
Fits the following Scion Models:
- iM | 2016 | Base | 4 Cyl 1.8 L GAS
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Scion ECM
Part Number: 89661-52E42
$492.12 MSRP: $721.21
You Save: $229.09 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-52E41, 89661-52E40
Fits the following Scion Models:
- xB | 2005-2006 | Base | 4 Cyl 1.5 L GAS
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Scion ECM
Part Number: 89661-12F10
$532.87 MSRP: $780.93
You Save: $248.06 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xB | 2008 | Base | 4 Cyl 2.4 L GAS
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Scion ECM
Part Number: 89661-12T80
$497.35 MSRP: $728.86
You Save: $231.51 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xB | 2013-2015 | Base | 4 Cyl 2.4 L GAS
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Scion ECM
Part Number: 89661-52T90
$490.71 MSRP: $719.14
You Save: $228.43 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xD | 2011-2012 | Base | 4 Cyl 1.8 L GAS
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Scion ECM
Part Number: 89661-52D12
$473.85 MSRP: $694.43
You Save: $220.58 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-52D10, 89661-52D11
Fits the following Scion Models:
- xA | 2006 | Base | 4 Cyl 1.5 L GAS
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Scion ECM
Part Number: 89661-12N11
$495.64 MSRP: $726.37
You Save: $230.73 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-12N10
Fits the following Scion Models:
- xB | 2011-2012 | Base | 4 Cyl 2.4 L GAS
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Scion ECM
Part Number: 89661-52M20
$501.83 MSRP: $735.43
You Save: $233.60 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xD | 2010 | Base | 4 Cyl 1.8 L GAS
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Scion ECM
Part Number: 89661-52U00
$464.32 MSRP: $680.46
You Save: $216.14 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xD | 2011-2012 | Base | 4 Cyl 1.8 L GAS
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Scion ECM
Part Number: 89661-52D01
$413.02 MSRP: $605.28
You Save: $192.26 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
- Replaces: 89661-52D00
Fits the following Scion Models:
- xA | 2006 | Base | 4 Cyl 1.5 L GAS
View related parts
Scion ECM
Part Number: 89661-52M10
$552.27 MSRP: $809.36
You Save: $257.09 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xD | 2010-2011 | Base | 4 Cyl 1.8 L GAS
View related parts
Scion ECM
Part Number: 89661-52Y60
$441.73 MSRP: $647.36
You Save: $205.63 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module (ECM); Engine Control Module
Fits the following Scion Models:
- xD | 2013-2014 | Base | 4 Cyl 1.8 L GAS

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1-20 of 57 Results

Scion Engine Control Module Parts Questions & Experts Answers

ECM
89661-21511
Q: How to remove and replace the Engine Control Module (ECM) on Scion tC?
A: The first step to replace the Engine Control Module (ECM) for the 2AZ-FE engine control system includes removing the cable from the negative battery terminal while waiting for 90 seconds to avoid Air Bag and seat belt pretensioner activation. The glove compartment door requires removal as the first step. After disconnecting the wire harness clamp you must separate all 4 ECM connectors before ECM removal can continue. After disconnecting the ECM from its mounting position users should remove the bolt, screw and finally the Engine Control Module itself.
ECM
89661-12J60
Q: How to remove and replace the Engine Control Module (ECM) on Scion xB?
A: The first step for ECM (Engine Control Module) removal and replacement of 2AZ-FE engine control system begins with removing air cleaner assembly hardware by unplugging the mass air flow meter connector, unharnessing the wire harness, loosening the No. 1 air cleaner hose clamp, unlocking the air cleaner assembly clamp and removing the air cleaner cap subassembly before continuing to extract the air cleaner filter element subassembly and then the air cleaner case subassembly using 3 bolts. Begin ECM removal by detaching the two lock knobs and harness clamp before disconnecting the two ECM connectors then removing the engine wire then taking away the two ECM bolts and four screws anchoring the ECM bracket.
ECM
89661-52A50
Q: How to register the Identification Number (VIN) into the replacement Engine Control Module (ECM) on Scion xA?
A: The process of registering the Vehicle Identification Number (VIN) into a new Engine Control Module (ECM) requires using a hand-held tester to enter the VIN alphanumeric code with its 17 digits. VIN registration demands adhering to input instructions followed by VIN reading then final step is VIN writing. The testing device requires the arrow buttons UP, DOWN, RIGHT, LEFT and numerical buttons 0 to 9 for entering information. The RIGHT and LEFT buttons control cursor movement while UP and DOWN buttons select letters but to enter numbers users need to select corresponding numerical buttons. Positions your cursor on the incorrect character by selecting RIGHT or LEFT buttons and pick the right letter by selecting UP/DOWN or entering numbers through buttons. Verify that the entered VIN matches the vehicle VIN then use the ENTER key to complete the input. When reading the VIN operators should use the hand-held tester but they should also follow the same procedure to input the VIN using the tester.

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