Honda CBR650F Service Manual page 392

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4. Ignition Switch Power Source Line Open Circuit
Inspection
Turn the ignition switch ON.
Measure the voltage between the 4P connector [1]
terminal and ground.
CONNECTION: Pink/blue (+) – Ground (–)
Is there battery voltage?
YES
NO
MAIN/FAN CONTROL/FUEL PUMP
RELAY
RELAY REMOVAL/INSTALLATION
Remove the ABS modulator cover (page 4-35).
Turn the ignition switch OFF.
Remove the following relays [1] by pulling it up.
– Main relay [2]
– Fan control relay [3]
– Fuel pump relay [4]
Installation is in the reverse order of removal.
RELAY INSPECTION
• All the relays in the relay box are same parts. The
relay function can be checked by exchanging it with
a known good one (except main relay) temporarily.
Remove the relay (page 21-23).
Connect an ohmmeter and a 12 V battery to the relay
[1] terminals as shown.
There should be continuity only when 12 V battery is
connected.
– System is normal, replace the turn signal/
hazard relay.
– Open circuit in the Pink/blue wire
LIGHTS/METERS/SWITCHES
P/Bu
[1]
[3]
Bl/Bu
[2]
R/W
Bl/O
G/Bl
Bl/W
Bl/W
G Bl/Y
[1]
[1]
[4]
Bl
Bl/W
Bl/Y Br/Bl
21-23