3-66 FUEL SYSTEM (DFI)

Subthrottle Valve Actuator (Service Code 62)

Subthrottle Valve Actuator Removal

CAUTION

Do not remove the subthrottle valve actuator [A] since it has been adjusted and set with precision at the factory.

Never drop the actuator , especially on a hard surface. Such a shock to the actuator can damage it.

Audible Inspection

NOTE

Be sure the battery is fully charged.

•Turn the ignition switch ON and ensure that the actuator valves open and close (make light sounds) several times within seconds, and then close at the idle throttle opening

•position.

Turn the ignition switch OFF.

If the actuator does not work as described above, do the visual inspection.○

Visual• Inspection

Remove the throttle body assy (see Throttle Body Assy

•Removal).

•Turn the ignition switch ON.

Check to see that all the subthrottle valves [A] open and close smoothly.

If the subthrottle valves do not operate, check the actuator internal resistance (see Resistance Inspection).

Resistance• Inspection

•Turn the ignition switch OFF.

Remove the throttle body assy (see Throttle Body Assy

•Removal).

Disconnect the subthrottle valve actuator connector [A].

Special Tool - Hand Tester : 57001–1394

If the reading is out of the range, replace the actuator along with the throttle body assy.

If the reading is within the range, check the input voltage (see Input Voltage Inspection).