Corolla L4-1.8L (1ZZ-FE) (2004)
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7.
Enter the following information on the Authorized Modification Label shown below in Figure 2 using a permanent marker.
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ECM (PCM) part number.
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New ECM (PCM) calibration number.
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Your dealer code.
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Reprogramming date.
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This TSB number.
ECM (PCM) Replacement Procedure
1.
2003 model year Corolla ATM vehicles with Delco ECM (PCM) P/N 89666-02150 are not reprogrammable.
2.
For the location of the ECM (PCM) refer to the Technical Information System (TIS), 2003 or 2004 model year Corolla Repair Manual:
Diagnostics: SFI.
Catalytic Computer Replacement Procedure
Refer to TIS, 2003 or 2004 model year Corolla Repair Manual: Exhaust