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7.3 IDLE LEARN PROCEDURE
Anytime the Powertrain Control Module (PCM) or the battery is disconnected, the PCM loses
power, or the PCM is reprogrammed, the PCMs learned idle position is lost. The engine idle is
unstable when the learned idle position is lost. Perform the following procedure in order to
return the learned idle to the correct position:
7.3.1 AUTOMATIC TRANSMISSION
1. Turn OFF the ignition.
2. Restore the PCM battery feed.
3. Turn OFF the A/C controls.
4. Set the parking brake and block the drive wheels.
5. Start the engine.
6. Ensure that the engine coolant temperature is more than 80°C (176°F).
7. Shift the transmission into Drive.
8. Allow the engine to idle for 5 minutes.
9. Shift the transmission into Park.
10. Allow the engine to idle for 5 minutes.
11. Turn OFF the engine for 30 seconds.
7.3.2 MANUAL TRANSMISSION
1. Turn OFF the ignition.
2. Restore the PCM battery feed.
3. Turn OFF the A/C controls.
4. Set the parking brake and block the drive wheels.
5. Place the transmission in Neutral.
6. Start the engine.
7. Ensure that the engine coolant temperature is more than 80°C (176°F).
8. Allow the engine to idle for 5 minutes.
9. Turn OFF the engine for 30 seconds.
