5-60
dummyheaddummyhead
FUEL SYSTEM
MIL BLINKS 21 TIMES (2 LONG BLINKS AND ONE SHORT BLINK) VTEC
SOLENOID VALVE
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the VTEC solenoid valve 1P connector
, ECM connector B and then reconnect
them.
Clear the DTC (page 5-5).
Start the engine and let it run at 3,000 min
-1
(rpm) for
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
min
-1
(rpm) for a few seconds.
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 – GO TO STEP 2.
NO – Temporary failure (code does not
reappear).
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 – 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.
NO – Replace the VTEC solenoid valve with a
new one and recheck.
1
G/Y
10
ECM
VTS
28
11
G/W
12 V
VTEC
SOLENOID
VALVE
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
To Next Page
Loading...
