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Ignition System

2003 Toyota Corolla Ignition Coil, Spark Plug, Engine Control Module

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2003 Toyota Corolla
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Vehicle Options
4 Cyl 1.8 L GAS
Vehicle Options
4 Cyl 1.8 L GAS
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Diagram (1 of 1): Electrical - Ignition system
2003 Toyota Corolla Ignition System Diagram
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Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 3 Toyota 89666-02131 ECM
    89666-02131
    ECM
    Computer Engine Control
    • Part Notes: Manual Transmission
  • 3 Toyota 89666-02140 ECM
    89666-02140
    ECM
    Computer Engine Control
    • Part Notes: Auto Transmission, Denso
  • 3 Toyota 89666-02154 ECM
    89666-02154
    ECM
    Computer Engine Control
    • Part Notes: Auto Transmission, Delco
  • 90919-01218
    Plug, Spark
    • Part Notes: IFR5A11
    • Production Date: 04/2002-04/2003
    • Fitting Vehicle Options: 1ZZFE.. ZZE130.. JPP
    • Require Quantity: 4
    • Package Quantity: 1
    • Part Name Code: 19100P
    • Replaced By: 90080-91184
    MSRP: $14.46 Your Price: $10.38
  • 90919-01217
    Plug, Spark
    • Part Notes: SK16R11
    • Production Date: 04/2002-04/2003
    • Fitting Vehicle Options: 1ZZFE.. ZZE130.. JPP
    • Require Quantity: 4
    • Package Quantity: 1
    • Part Name Code: 19100P
    • Replaced By: 90080-91184
    MSRP: $14.46 Your Price: $10.38
  • 90919-02239
    Coil Assy, Ignition
    • Production Date: 04/2002-05/2004
    • Fitting Vehicle Options: 1ZZFE.. ZZE130.. JPP
    • Require Quantity: 4
    • Package Quantity: 1
    • Part Name Code: 19500
    • Replaced By: 90919-02262
    MSRP: $143.20 Your Price: $102.02
  • 90919-01240
    Plug, Spark
    • Part Notes: SK16R11
    • Production Date: 04/2003-05/2004
    • Fitting Vehicle Options: 1ZZFE.. ZZE130.. JPP
    • Require Quantity: 4
    • Package Quantity: 1
    • Part Name Code: 19100P
    • Replaced By: 90080-91184
    MSRP: $14.46 Your Price: $10.38

OEM 2003 Toyota Corolla Parts for Ignition System

Genuine 2003 Toyota Corolla parts are produced by Toyota with the official design and standards, thus they ensure a high quality throughout the production process. OEM parts are the ideal choice for people looking for new Ignition System parts. With our competitive prices, we offer 2003 Toyota Corolla Ignition Coil, Spark Plug, Engine Control Module that fit tight budgets, while still including the manufacturer warranties, a hassle-free returns policy and quick shipping options.

Engine Control Module Installation and Repair Tips for 2003 Toyota Corolla

  • Q: What are the guidelines and requirements for reprogramming the Engine Control Module on 2003 Toyota Corolla?
    A: Starting in 2001, Toyota/Scion and Lexus vehicles feature flash reprogrammable Powertrain Control Modules (PCM). Reprogramming should follow Technical Service Bulletins. Use validated tools like the Toyota/Lexus scantool or J2534 interfaces. The process requires specific software and equipment, and must be uninterrupted to avoid damaging the vehicle controller.
See All Installation and Repair Tips