Abs Troubleshooting - Honda CBF600SA Service Manual

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ABS TROUBLESHOOTING

• Perform inspection with the ignition switch
turned to "OFF", unless otherwise specified.
• Refer to the ABS Connector Locations (page 16-
5). All connector diagrams in the troubleshooting
are viewed from the terminal side.
• Use a fully charged battery. Do not diagnose with
a charger connected to the battery.
• When the ABS modulator assembly is detected
to be faulty, recheck the wire harness and con-
nector connections closely before replacing it.
• After troubleshooting, erase the problem code
(page 16-9).
Perform the pre-start self-diagnosis to be sure
that the ABS indicator is operating normally
(page 16-8).
PROBLEM CODE 11, 12, 21, 41 or 42
(Front Wheel Speed Sensor)
• The ABS indicator might blink under unusual
riding or conditions (page 16-10). This is tempo-
rary failure. Erase the problem code and perform
the pre-start self-diagnosis before troubleshoot-
ing. The ABS is normal if the indicator goes off.
• If the problem code 41 is indicated, check the
front brake for drag.
1. Speed Sensor Air Gap Inspection
Measure the air gap between the wheel speed
sensor and pulser ring (page 16-24).
Is the air gap correct?
YES
NO
2. Speed Sensor Condition Inspection
Inspect the area around the speed sensor:
Check that there is iron or other magnetic depos-
its between the pulser ring and wheel speed sen-
sor, and the pulser ring slots for obstructions.
Check installation condition of the pulser ring or
wheel speed sensor for looseness.
Check the pulser ring and sensor tip for defor-
mation or damage (e.g., chipped pulser ring
teeth).
Are the sensor and pulser ring in good condi-
tion?
YES
NO
email: info@motomatrix.co.uk
ANTI–LOCK BRAKE SYSTEM (ABS; CBF600SA/NA)
– GO TO STEP 2.
– Check each part for deformation and
looseness and correct
Recheck the air gap.
– GO TO STEP 3.
– Remove any deposits. Install properly
or replace faulty part.
accordingly.
SPEED SENSOR
PULSER RING
16-11