IAC VALVE
REMOVAL
1) Remove throttle body from intake manifold referring to “Throttle
Body Removal” section.
2) Remove IAC valve from throttle body.
INSPECTION
1) Remove IAC valve (1) from throttle body.
2) Connect each connector to IAC valve, MAP sensor, TP sensor
and IAT sensor.
3) Check that rotary valve (2) of lAC valve opens and closes once
and then stops in about 60 ms as soon as ignition switch is
turned ON.
NOTE:
This check should be performed by two people, one per-
son turns on ignition switch while the other checks valve
operation.
As valve operation is momentary, it may be overlooked.
To prevent this, perform this operation check 3 times or
more continuously.
If rotary valve of lAC valve does not operate at all, check
wire harnesses for open and short. If wire harnesses are
in good condition, replace lAC valve and recheck.
INSTALLATION
1) Install new O-ring (2) to IAC valve (1).
2) Install IAC valve to throttle body (3).
Tighten IAC valve screws to specified torque.
Tightening Torque
(a): 3.5 N·m (0.35 kg-m, 2.5 lb-ft)
3) Install throttle body to intake manifold referring to THROTTLE
BODY INSTALLATION section.
6E1-54
ENGIINE AND EMISSION CONTROL SYSTEM
