Fast Idle Out of Specification When Cold

Check:

1. Fast Idle Valve
2. Idle Control System
a. Alternator FR Signal
b. A/T Shift Position Signal
c. P/S Oil Pressure Signal
d. Air Conditioning Signal
3. Coolant Temperature (TW) Sensor (6)
4. Throttle Angle (TPS) Sensor (7)
5. CYL Sensor (9)
6. Intake Air Temperature (TA) Sensor (10)
7. Atmospheric Pressure (PA) Sensor (13)
8. Electronic Control (ECU) Unit (BU)

NOTE:
After each symptom, the system that could be the source of the symptom are listed and should be checked in the order they are listed, beginning with #1.

(BU) code used when the CHECK ENGINE warning light is on, and the self-diagnosis indicator LED is ON with no "blinks", the back-up system is in operation.

Self-diagnosis indicator, (LED) blinks (?), will follow associated systems.