Matrix 2WD L4-1.8L (1ZZ-FE) (2003)
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1.
2003 model year Matrix 2WD ATM vehicles equipped with Delco ECM (PCM) P/N 89666-02160 are not reprogrammable.
2.
For the location of the ECM (PCM), refer to the Technical Information System (TIS), 2003 or 2004 model year Matrix Repair Manual:
Diagnostics: SFI.
Catalytic Converter Replacement Procedure
Refer to TIS, 2003 or 2004 model year Matrix Repair Manual: 1ZZ-FE, Exhaust.