During Warm Up

Check:

1. Idle Control System
a. Hoses and Connections
b. Electronic Air Control Valve (EACV) (14)
2. Fuel Supply
a. Fuel Injector (16)
b. Fuel Filter
c. Fuel Pump
3. Air Intake System
a. Throttle Body
b. Throttle Cable
4. PGM-FI Control (ECU) Unit (BU)

NOTE: All items should be checked in the order in which they appear. A (number) after the component indicates the fault code associated with that system. If BU appears on with PGM-FI unit, it indicates the vehicle is running in back-up mode.