Solenoid Valve - TOHATSU BFT75A Service Manual

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FUEL SYSTEM
MIL BLINKS 21 TIMES (2 LONG BLINKS AND ONE SHORT BLINK) VTEC

SOLENOID VALVE

ECM
12 V
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the VTEC solenoid valve 1P connector
them.
Clear the DTC (page 5-5).
Start the engine and let it run at 3,000 min
5 minutes or more under no load.
Disconnect the neutral switch 2P connector
Raise the engine speed slowly and let it run at 5,200
-1
min
Turn the combination switch OFF and connect the
SCS service connector.
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 21?
YES
NO
2. VTEC solenoid valve inspection
Turn the combination switch OFF.
Inspect the VTEC solenoid valve
(page 5-107).
Is the VTEC solenoid valve correct?
YES
NO
5-60
VTS G/Y
28
, ECM connector B and then reconnect
(rpm) for a few seconds.
– GO TO STEP 2.
– Temporary failure (code
reappear).
– Repair open or short in the main wire
harness between the ECM and VTEC
solenoid valve. If main wire harness is
correct, replace the ECM with a new one
and recheck.
– Replace the VTEC solenoid valve with a
new one and recheck.
11
-1
(rpm) for
.
does not
Bl BLACK Br BROWN
Y YELLOW O ORANGE
Bu BLUE Lb LIGHT BLUE
G GREEN Lg LIGHT GREEN
R RED P PINK
W WHITE Gr GRAY
VTEC
SOLENOID
VALVE
G/W