B3000 2WD V6-3.0L OHV (1994)
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Service Tips
Service Tip
-
If the idle air control solenoid or circuit has an open or short, Diagnostic Trouble Code No. 411 or 412 is output.
-
If the circuit is open, the idle air control solenoid will be fully closed, causing rough idle, engine stalling and acceleration hesitation when cold.
-
If the circuit is shorted, the idle air control solenoid will be fully open, causing high idle.