ECM/PCM Idle Learn Procedure: Procedure
- Make sure all electrical items (A/C, audio, lights, etc) are off
- Reset the ECM/PCM with the HDS
- Turn the ignition switch to ON (II), and wait 2 seconds
- Start the engine Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194°F (90°C)
- Let the engine idle for about 5 minutes with the throttle fully closedNOTE: If the radiator fan comes on, do not include its running time in the 5 minutes
- Verify on the HDS data list that the idle learn procedure is complete