1C-1 Engine Electrical Devices:
Engine Electrical Devices
Repair Instructions
Idle Air Control (IAC) Valve Removal and
Installation
S3RH0B1306001
Removal
1) Remove throttle body from intake manifold referring
to “Throttle Body Removal and Installation in Section
1D”.
2) Remove lAC valve from throttle body.
Installation
1) Install new gasket (2) to IAC valve (1).
2) Install IAC valve (1) to throttle body (3).
Tighten IAC valve screws to specified torque.
Tightening torque
IAC valve screw (a): 3.5 N·m (0.35 kgf-m, 2.5 lb-
ft)
3) Install throttle body to intake manifold referring to
“Throttle Body Removal and Installation in Section
1D”.
Idle Air Control (IAC) Valve Inspection
S3RH0B1306002
1) Connect each connector to IAC valve (1), TP sensor
and IAT sensor.
2) 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 person turns ignition switch
ON 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 harness for open
and short. If wire harness is in good
condition, replace lAC valve and recheck.
(a)
1
2
3
I3RH0B130001-02
I2RH0B130002-01
Содержание Liana RH418
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Страница 370: ...Prepared by 1st Ed Feb 2004 2nd Ed Jul 2006 367 ...
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