Honda C8R600F4 Service Manual page 88

FUEL SYSTEM
Direct Air Induction ID.A.I.) system malfunction (49 STATE/CANADA type)
Turn the ignition switch ON with the engine stop
switch to RUN and check the solenoid valve for
operational sound located under the front side of
the fuel tank (i.e. poping sound).
I
Sound
i
Remove the seat cowl (page 2-2).
Raise the rear wheel off the ground and support
the motorcycle securely with a hoist or equiva-
lent.
Start the engine, shift the transmission into gear
and check for continuity between the Pink/white
and Black/white
#
2 terminals of the solenoid
valve relay. There should be continuity when the
speedometer is below 20 km/h (18 mph) and no
continuity when the speedometer is 20 km/h (18
mph) or more.
I
Abnormal
i
Disconnect the fuel pump transfer relay connec-
tor. Measure the voltage between the Black/white
#
1 (
+)
terminal of the solenoid valve relay and
ground (-)with the ignition switch ON.
I
Voltage
Measure the voltage between the Pink/yellow (
+)
terminal of the solenoid valve relay and ground
(-)with the ignition switch ON.
Voltage
~
No sound - (Go to following page)
,__Normal - •Check the induction ducts and hoses, and the
solenoid valve operation (page 5-36)
Pink/white
Black/white# 2
Black/white # 1
FUEL PUMP
TRANSFER RELAY
-No voltage - - •Open circuit in Black/white# 1 wire
No voltage - - • Faulty solenoid valve relay
Connect the transter relay connector. - Normal - • t-aulty solenoid valve relay
Start the engine, shift the transmission into gear
and measure the voltage between the Pink/yel-
low (
+)
terminal of the solenoid valve relay and
ground (- ). There should be battery voltage
when the speedometer is below 20 km/h (18
mph) and no voltage when the speedometer is 20
km/h (10 mph) or more.
l
Abnormal
i
(Go to following page)
5-6