Operation CHARM: Car repair manuals for everyone.

Component Inspection

Inspection




1. Disconnect connector from IAC valve.




2. Check each coil of IAC valve for resistance.
If resistances is out of specification, replace.




3. Remove air cleaner outlet hose and remove IAC valve from throttle body.
4. Connect connector to IAC valve.
5. Check that plunger of IAC valve moves once and then stops as soon as ignition switch is turned OFF after cranking engine for 2 sec.

NOTE: This check should be performed by two people, one person operates ignition switch while the other checks plunger operation.

If plunger of IAC valve does not operate at all, check wire harnesses for open and short. If wire harnesses are in good condition, replace IAC valve and recheck.

Removal
1. Disconnect negative cable from battery.
2. Disconnect connector from IAC valve.
3. Remove IAC valve from throttle body.




Installation
1. Install new O-ring to throttle body.
2. Install IAC valve to throttle body.
Tighten IAC valve screws to specified torque.

Tightening Torque
(a): 3.5 Nm (0.35 kg-m, 2.5 ft. lbs.)

3. Connect IAC valve connector securely.
4. Connect negative cable to battery.