TOHATSU 200 Series Service Manual page 98

dummyhead dummyhead
FUEL SYSTEM
MIL BLINKS 21 TIMES (2 LONG
BLINKS AND ONE SHORT BLINK)
VTEC SPOOL SOLENOID VALVE
(BF225 only)
(*) Refer
(BF175AK1·200AK1·225AK1: 62ZY300).
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the VTEC spool solenoid valve 1P
connector
reconnect them.
Reset the ECM (page 5-2).
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 4,500
min -1
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 times?
YES
NO
2. VTEC spool solenoid valve inspection
Turn the combination switch OFF and disconnect
the VTEC spool solenoid valve 1P connector
Inspect the VTEC spool solenoid valve (page 5-
133*).
Is the VTEC spool solenoid valve correct?
YES
NO
5-42
to page of base
, ECM connector B
(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
spool solenoid valve. If main wire harness
is correct, replace the ECM with a new one
and recheck.
– Replace the VTEC spool solenoid valve
with a new one and recheck.
shop manual
and then
-1 (rpm) for
.
does not
.