Honda CBR650F Service Manual page 355

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ANTI-LOCK BRAKE SYSTEM (ABS; CBR650FA, CB650FA)
DTC 3-1, 3-2, 3-3 or 3-4 (Solenoid
Valve)
1. Failure Reproduction
Erase the DTC (page 19-6).
Test-ride the motorcycle above 30 km/h (19 mph).
Recheck the DTC (page 19-5).
Is the DTC 3-1, 3-2, 3-3 or 3-4 indicated?
YES
NO
DTC 5-1 or 5-4 (Pump Motor Lock/
Power Supply Relay)
1. Fuse Inspection
Turn the ignition switch OFF.
Remove the seat (page 2-12).
Remove the fuse box cover from the fuse box
(ABS).
Check the ABS M fuse (30 A) [1] for blown.
Is the fuse blown?
YES
NO
2. Motor Power Input Line Short Circuit Inspection
Disconnect
connector (page 19-7).
With the ABS M fuse (30 A) removed, check for
continuity between the wire harness side ABS
modulator 18P (Black) connector [1] terminal and
ground.
CONNECTION: 18 – Ground
Is there continuity?
YES
NO
3. Motor Power Input Line Open Circuit Inspection
Install the ABS M fuse (30 A).
Disconnect
connector (page 19-7).
Measure the voltage between the wire harness side
ABS modulator 18P (Black) connector [1] terminal
and ground.
CONNECTION: 18 (+) – Ground (–)
Is there battery voltage?
YES
NO
19-18
– Faulty ABS modulator
– Solenoid valve is normal (intermittent
failure).
– GO TO STEP 2.
– GO TO STEP 3.
the ABS modulator
– Short circuit in the Violet wire between the
fuse box (ABS) and ABS modulator 18P
(Black) connector
– Intermittent failure. Replace the ABS M
fuse (30 A) with a new one, and recheck.
the ABS modulator
– GO TO STEP 4.
– Open circuit in the Violet or Black wire
between the battery and ABS modulator
18P (Black) connector
18P (Black)
[1]
[1]
18P (Black)
[1]
18
18