Abs Troubleshooting - Honda NC700XA Service Manual

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7. Power Input Line Open Circuit Inspection
Turn the ignition switch ON and engine stop switch
" ".
Measure the voltage between the ABS modulator
25P connector [1] of wire harness side and ground.
Connection: Red/black (+) – Ground (–)
Standard:
TOOL:
Test probe
Does the standard voltage exist?
YES
NO

ABS TROUBLESHOOTING

• Perform inspection with the ignition switch OFF,
unless otherwise specified.
• Refer to the ABS connector locations (page 20-5).
• 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 connector
connections closely before replacing it.
• After diagnostic troubleshooting, erase the problem
code (page 20-9) then test ride the motorcycle
above 30 km/h (18 mph) and check the other
problem code by retrieving the self-diagnosis system
(page 20-8).
• Before starting the diagnosis and troubleshooting,
check the ABS indicator circuit (page 20-12).
PROBLEM CODE 11, 12, 21, 41 or 42
(Front Wheel Speed Sensor/Front
Pulser Ring/Front Wheel Lock)
• The ABS indicator might blink under unusual riding
or conditions (page 20-10). This is temporary failure.
Erase the problem code (page 20-9) then test ride
the motorcycle above 30 km/h (18 mph) and check
the problem code by retrieving the self-diagnosis
system (page 20-8).
• 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 speed sensor and
pulser ring (page 20-24).
Is the air gap correct?
YES
NO
Battery voltage
07ZAJ-RDJA110
– Faulty ABS modulator.
– Open circuit in Red/black wire between the
ABS modulator 25P connector and ignition
switch
– GO TO STEP 2.
– Check each part for deformation and
looseness and correct
Recheck the air gap.
ANTI-LOCK BRAKE SYSTEM (ABS)
[1]
accordingly.
R/Bl
20-15