Page 188 - 2019 SHOP MANUAL CRF1000/A/D

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FUEL SYSTEM
Connect the MAP sensor 3P (Black) connector [1].
[1] [2]
Connect the IACV 4P (Black) connector [2].
Adjust the throttle grip freeplay (page 3-3).
Connect the fuel feed hose to the fuel rail (page 7-4).
Install the air cleaner housing (page 7-11).

IACV

REMOVAL

Remove the fuel tank (page 7-6).
[3]
Clean the throttle body to prevent dirt and debris from
entering the IACV passage.
Disconnect the IACV 4P (Black) connector [1]. [2]
Remove the screws [2], setting plate [3], IACV [4], and [2]
O-ring [5].

[1]

[5] [4]
INSPECTION

• The IACV is installed on the throttle body and is
operated by the stepping motor. When the ignition
switch is turned ON, the IACV operates for a few
seconds.
Remove the fuel tank (page 7-6).
[1]
Turn the ignition switch ON and check the IACV.
If the step motor operating sound is heard, the IACV is
normal.
If the IACV does not sound with no MIL blinking, inspect
as follows:
1. Remove the IACV (page 7-16).
Check the IACV [1] for wear or damage. [3]
2. Connect the IACV 4P (Black) connector [2].
[2]
3. Turn ignition switch ON, the slide valve [3] should
move back and forth.
4. After inspection, install the IACV (page 7-17).

7-16