Idle Speed/Throttle Actuator - Electronic: Service and Repair
Idle Air Control (IAC) Valve:
REMOVAL
1. Disconnect battery ground cable.
NOTE: When battery voltage is removed from the Powertrain Control Module (PCM), all learned values will be cleared and reset to predetermined values. When battery voltage is restored to the PCM, the vehicle may exhibit certain driveability concerns. It will be necessary to drive the vehicle to allow the PCM to relearn values for optimum driveablilty and performance.
2. Disconnect the Idle Air Control (IAC) valve electrical connector from the fuel charging wiring.
3. Remove the two IAC valve bolts.
4. Remove the IAC valve and gasket.
NOTE: The IAC valve has a sludge resistant design and cannot be cleaned.
INSTALLATION
1. To install, reverse the removal procedure.
2. Tighten IAC valve bolts to 9-11 Nm (80-97 lb in).
3. Connect battery ground cable.