Matrix XRS 2WD L4-1.8L (2ZZ-GE) (2003)
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1.
Check for the Authorized Modifications Label affixed to the vehicle in the location shown in Figure 1. Confirm if ECM (PCM) calibration has
been updated. If the calibration listed is NOT the latest ECM (PCM) calibration go to step 2.
2.
Connect the Diagnostic Tester to the vehicle and select CURRENT ECU CAL from the ECU REPROGRAM MAIN MENU. Determine the
vehicle's current ECU calibrations (see Figure 2).
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The sample screen prints seen below are the 14.1 a software version and may differ from subsequent software versions.
NOTE:
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If the Calibration ID matches the "Previous Calibration ID" as shown in the Calibration Identification Chart in this TSB, proceed with flash
reprogramming.
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If the Calibration ID matches the "New Calibration ID" as shown in the Calibration Identification Chart, this vehicle has already been
programmed. Refer to the Technical Information System (TIS) for diagnostic procedures applicable to any stored DTCs.
3.
If the ECU calibration ID is NOT the same as the New Calibration ID" listed previously, proceed to Flash Reprogram ECM (PCM).
4.
Flash Reprogram ECM (PCM)
NOTE:
