Honda NC700 2012, Service Manual

Page: 699 / 773

20-18
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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 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 – GO TO STEP 3.
NO – Remove any deposits. Install properly or
replace faulty part.
3. Rear Wheel Speed Sensor Line Short Circuit
Inspection (at sensor side)
Turn the ignition switch OFF.
Disconnect the rear wheel speed sensor 2P (Gray)
connector [1].
Check for continuity between each terminal of the
sensor side rear wheel speed sensor 2P (Gray)
connector and ground.
Is there continuity?
YES – Faulty rear wheel speed sensor
NO – GO TO STEP 4.
4. Rear 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 rear wheel speed sensor 2P
(Gray) connector [1] and ground.
Is there continuity?
YES – • Short circuit in Blue wire
• Short circuit in White wire
NO – GO TO STEP 5.
[1] [2]
Connection: Blue – Ground
White – Ground
Bu W
[1]
Connection: Blue – Ground
White – Ground
W Bu
[1]