Honda BF40D Mode D'emploi page 469

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6) Turn the combination switch OFF and install the cap.
7) Connect the IAC valve 2P connector and clear the DTC
(P. 5-12).
8) Set the fuel tube on the fuel tube clamp B.
9) Check the idle speed (P. 3-16).
Adjustment without HDS (Dr. H or pocket tester)
1) Disconnect the 4P connector (Red) and connect the
SCS short connector to the DLC (P. 5-43).
2) Disconnect the IAC valve 2P connector (P. 5-73). (The
MIL should come ON.)
3) Release the breather tube from the fuel tube clamp B.
4) Check the idle speed with a commercially available
digital tachometer.
Idle speed
(at neutral)
If the measurement is outside the specification,
remove the cap and adjust the idle speed by turning
the idle adjusting screw (P. 5-73).
5) Turn the combination switch OFF and install the cap.
6) Connect the IAC valve 2P connector and reset the
ECM (P. 5-43).
7) Set the breather tube on the fuel tube clamp B.
8) Check the idle speed (P. 3-16).
• Throttle Body Inspection/Cleaning
1) Remove the throttle body (P. 5-89).
2) Turn the throttle cam and check whether the throttle
3) Turn the throttle lever and check the throttle valve
4) Check that there is no gap between the throttle lever
THROTTLE BODY
-1
700
30 min
(rpm)
5) Check the throttle valve and bore for contamination.
6) Install the throttle body (P. 5-94).
7) Check the idle speed (P. 3-16).
469
valve moves from the fully close position to the fully
open position smoothly.
shaft for play.
and throttle stop screw.
The throttle stop screw cannot be adjusted. If it is
faulty, replace the throttle body with a new one.
THROTTLE STOP SCREW
Clean if necessary.
Clean.
STOPPER
5-74

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Bf50d

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