Honda NSS250S Manual page 516

ABS (NSS250A)
2. Front Wheel Speed Sensor Condition Inspection
Inspect the area around the front wheel speed
sensor:
Check that there is iron or other magnetic depos-
its between the pulser ring and front wheel
speed sensor, and the pulser ring slots for
obstructions.
Check installation condition of the pulser ring or
front 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
3. Front Wheel Speed Sensor Input Voltage
Inspection
Turn the ignition switch OFF.
Disconnect the front wheel speed sensor 2P
(Blue) connector (page 18-24).
Turn the ignition switch ON, engine stop switch
" ".
Measure the voltage at the front wheel speed
sensor 2P connector of the wire side.
CONNECTION: Pink/black (+) – Green/orange (–)
Is there battery voltage?
YES
NO
4. Front Wheel Speed Sensor Line Short Circuit
Inspection
Turn the ignition switch OFF.
Check for continuity between each terminal
(Pink/black and Green/orange) of the wire side
front wheel speed sensor 2P connector and
ground.
CONNECTION: Pink/black – Ground
Is there continuity?
YES
NO
18-16
maxiscooter-club.ru
– GO TO STEP 3.
– Remove any deposits. Install properly
or replace faulty part.
– Faulty front wheel speed sensor
– GO TO STEP 4.
Green/orange – Ground
– • Short circuit in Pink/black wire
• Short circuit in Green/orange wire
– GO TO STEP 5.
WHEEL SPEED SENSOR
PULSER RING
SPEED SENSOR 2P (Blue) CONNECTOR
(Wire side/female terminals)
Green/orange Pink/black
SPEED SENSOR 2P (Blue) CONNECTOR
(Wire side/female terminals)
Green/orange Pink/black