Honda NC700 2012 Service Manual page 697

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ANTI-LOCK BRAKE SYSTEM (ABS)
2. Speed Sensor Condition Inspection
Inspect the area around the speed sensor:
Check that there is iron or other magnetic deposits
between the pulser ring [1] and wheel speed sensor
[2], and the pulser ring slots for obstructions.
Check the installation condition of the pulser ring or
wheel speed sensor for looseness.
Check the pulser ring and sensor tip for deformation
or damage (e.g., chipped pulser ring teeth).
Are the sensor and pulser ring in good
condition?
YES
NO
3. Front Wheel Speed Sensor Line Short Circuit
Inspection (at sensor side)
Turn the ignition switch OFF.
Disconnect the front wheel speed sensor 2P (Blue)
connector [1].
Check for continuity between each terminal of the
sensor side front wheel speed sensor 2P (Blue)
connector and ground.
Connection: Blue – Ground
Is there continuity?
YES
NO
4. Front Wheel Speed Sensor Line Short Circuit
Inspection (at wire harness side)
Disconnect the ABS modulator 25P connector.
Check for continuity between each terminal of the
wire harness side front wheel speed sensor 2P
(Blue) connector [1] and ground.
Connection: Blue/yellow – Ground
Is there continuity?
YES
NO
20-16
– GO TO STEP 3.
– Remove any deposits. Install properly or
replace faulty part.
White – Ground
– Faulty front wheel speed sensor
– GO TO STEP 4.
White/yellow – Ground
– • Short circuit in Blue/yellow wire
• Short circuit in White/yellow wire
– GO TO STEP 5.
[2]
[1]
[1]
Bu
[1]
W/Y
W
Bu/Y