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Ignition System

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

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2003 Toyota Prius
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Vehicle Options
Base; 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
Vehicle Options
Base; 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Diagram (1 of 1): Electrical - Ignition system
2003 Toyota Prius Ignition System Diagram
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  • 5 Toyota 89661-47054 ECM
    89661-47054
    ECM
    Computer Engine Control
    MSRP: $1647.54 Your Price: $1124.21
    1
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OEM 2003 Toyota Prius Parts for Ignition System

Genuine 2003 Toyota Prius 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 Prius 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, Ignition Coil Installation and Repair Tips for 2003 Toyota Prius

  • Q: What are the guidelines and requirements for reprogramming the Engine Control Module on 2003 Toyota Prius?
    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.
  • Q: How to service the ignition coil on 2003 Toyota Prius?
    A: To service the ignition coil, remove the air cleaner assembly and disconnect the ignition coil connectors. Then, remove the ignition coils from the spark plugs by taking out the bolts and pulling out the coils. Reinstall by following the reverse order of removal.
See All Installation and Repair Tips