Fuel Learn Procedure
NOTE: Do this procedure whenever you do any of these actions:
Replace the injector.
Replace the A/F sensor (Sensor 1).
Replace MAF sensor/IAT sensor 1.
Update the PCM.
Reset the PCM.
1.
HDS - Connect
2.
PCM - Reset
3.
PCM - Fuel Learn
1.
Start the engine. Keep the idling for 220 seconds.
2.
Keep the idling under the following conditions for 15 seconds:
Engine coolant temperature (ECT SENSOR 1) is 140 °F (60 °C) or more.
Intake air temperature (IAT SENSOR 1) is less than 176 °F (80 °C).
3.
Check the FUEL LEARNING in the DATA LIST with the HDS.
COMPLETE: This procedure is complete.
NOT COMPLETE: Do this procedure again.
4.
Turn the vehicle to the OFF (LOCK) mode, then wait for 60 seconds.
