TOHATSU BFT75A - Page 200

5-59
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FUEL SYSTEM
MIL BLINKS 14 (ONE LONG BLINK AND 4 SHORT BLINKS) IAC VALVE
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the IAC valve 2P connector , ECM
connector B and then reconnect them.
Clear the DTC (page 5-5).
Start the engine.
Turn the combination switch OFF and connect the
SCS service check connector.
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 14?
YES – GO TO STEP 2.
NO – Temporary failure (code does not
reappear)
2. IAC valve inspection
Turn the combination switch OFF.
Inspect the IAC valve (page 5-107).
Is the IAC valve normal?
YES – Repair open or short in the Green wire or
Black wire between the ECM and IAC
valve. If the main wire harness is normal,
replace the ECM with a new one and
recheck.
NO – Replace the IAC valve with a new one and
recheck.
Bl
36
ECM
EACVM
IAC
VALVE
1
G
18
EACVP
2
Bl
G
28
27
12V
BLACK
YELLOW
BLUE
GREEN
RED
WHITE
BROWN
ORANGE
LIGHT BLUE
LIGHT GREEN
PINK
GRAY
Bl
Y
Bu
G
R
W
Br
O
Lb
Lg
P
Gr