RPM Too High When Warm

SYMPTOM
RPM Too High When Warm

Check:
1. Electronic Control Unit (ECU) (BU)
2. Idle Controls
a. Alternator FR Signal
b. A/T Shift Position Signal
c. P/S Oil Pressure Signal
d. Air Conditioning Signal
3. Air Intake
4. Emission Controls
5. Vacuum Hoses And Connections