1C-14 Engine Electrical Devices:
IAC Valve Removal and Installation
Z9J0111306014
Removal
1) Remove the flywheel.
Refer to “Flywheel Removal and Installation” in
Section 1K (Page 1K-5).
2) Disconnect IAC valve lead wire connector at IAC
valve (1).
3) Remove the MAP sensor.
Refer to “MAP Sensor Removal and Installation”
(Page 1C-12).
4) Remove screws (2) and IAC valve.
Installation
Installation is reverse order of removal.
• Install IAC valve, then tighten mounting screw
securely.
• Connect IAC valve lead wire connector to IAC valve.
• Install the MAP sensor.
Refer to “MAP Sensor Removal and Installation”
(Page 1C-12).
• Install flywheel and tighten flywheel bolts to specified
torque.
Refer to “Flywheel Removal and Installation” in
Section 1K (Page 1K-5).
IAC Valve Inspection
Z9J0111306015
1) Disconnect connector from IAC valve.
2) Check each coil of IAC valve for resistance.
IAC valve resistance
If out of specification, replace IAC valve.
3) Remove the flywheel.
Refer to “Flywheel Removal and Installation” in
Section 1K (Page 1K-5).
4) Remove the screws securing IAC valve, then detach
the IAC valve from intake manifold.
5) Connect the connector to IAC valve.
6) When the ignition switch is turned “ON” and “OFF”,
check that the rotary valve turns to open and returns
to closed.
7) If the valve does not turn, check the wiring harness
for continuity (between ECM and IAC valve and
connector contact condition.
8) Reinstall IAC valve.
Refer to “IAC Valve Removal and Installation”
(Page 1C-14).
2
1
I9J011130049-02
Terminals Resistance
Between “1” and “2”
25 – 34 Ω
Between “3” and “2”
Between “4” and “5”
Between “6” and “5”
1
2 3
5
6
4
I9J011130017-04
I9J011130018-01
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