Matrix 2WD L4-1.8L (1ZZ-FE) (2003)
ECM (PCM) Identification Chart
ECM Reprogram Procedure
1.
Check for the Authorized Modification Label affixed to the vehicle in the location shown in Figure 2. If there is no label present, proceed to step 2.
2.
Connect the Diagnostic Tester to the vehicle and select "CURRENT ECU CAL" from the ECU REPROGRAM MAIN MENU." To determine the
vehicle's current ECM calibration, see Figure 1 shown.
3.
Proceed to Flash Reprogram the ECM (PCM) by following the procedures in TSB No. SS002-01 titled "ECU Flash Reprogramming Process," for
2001 and later applicable models.
NOTE:
Errors during the flash reprogramming process can PERMANENTLY DAMAGE the vehicle's ECM (PCM). In order to minimize this risk
follow the steps below:
^
Make sure that the current battery voltage is no less than 11.4 volts.