Troubleshooting - Honda CBF600SA Service Manual

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TROUBLESHOOTING

VS SENSOR/SPEEDOMETER
The odometer/trip meter operates normally, but the speedometer does not operate
Faulty speedometer
The speedometer operates normally, but the odometer/trip meter does not operate
Faulty odometer/trip meter
The speedometer operation is abnormal
1. Fuse Inspection
Check for blown main fuse or sub fuse.
Did the fuse blow?
YES
NO
2. Battery Inspection
Make sure the battery is fully charged and in good condition.
Is the battery in good condition?
YES
NO
3. VS Sensor Power Input Voltage Inspection (VS Sensor Side)
Check for loose or poor contact of the VS sensor 3P (Black) connector.
With the ignition switch ON and measure the voltage at VS sensor Yellow/red terminal.
Is there Battery Voltage?
NO
YES
4. VS Sensor Power Input Voltage Inspection (Combination Meter Side)
Check for loose or poor contact of the combination meter 16P (Black) connector (CBF600S/SA) or
combination meter 9P (Natural) connector.
With the ignition switch ON and measure the voltage at bottom of the combination meter 16P (Black)
connector (CBF600S/SA) or combination meter 9P (Natural) connector (CBF600N/NA).
Is there Battery Voltage?
NO
YES
5. VS Sensor Signal Line Inspection
With the ignition switch OFF, check for continuity of the Pink/blue (CBF600S/SA only) or Pink/green
(CBF600N/NA only) wire between the terminals of the VS sensor and speedometer.
Is there continuity?
NO
YES
6. Speed Sensor Signal Inspection
Support the motorcycle using a hoist or other support to rise the rear wheel off the ground.
Measure the output voltage (sensor signal) at the speedometer with the ignition switch is ON while
slowly turning the rear wheel by your hand.
CONNECTION: (CBF600S/SA) : Pink /blue (+) – Green/Black (-)
STANDARD:
Is the voltage as specified?
NO
YES
email: info@motomatrix.co.uk
– Replace the fuse
– GO TO STEP 2.
– Replace the fuse
– GO TO STEP 3.
– • Loose or poor contact of related terminals
• Open circuit in Yellow/red wires between the VS sensor and speed sensor
– GO TO STEP 4.
– • Loose or poor contact of related terminals
• Open circuit in Black/brown or Green/black wires between the battery and speed sensor
– GO TO STEP 5.
– Open circuit in Pink/blue or Pink/green wire
– GO TO STEP 6.
(CBF600N/NA) : Pink /green (+) – Green/Black (-)
Repeat 0 to 5 V
– • Faulty VS sensor
• Loose VS sensor mounting bolts
– Faulty speedometer
LIGHTS/METERS/SWITCHES
20-5