FUEL INJECTION SYSTEM
FI
ifl
Fault code No. 42 Symptom
No normal signals are received from the speed sensor.
Used diagnostic code No. D07 (speed sensor)
Order
Inspection operation item and
probable cause
Operation item and countermeasure
Reinstatement
method
Connected condition of speed-
ometer connector
Inspect the coupler for any
pins that may have pulled
out.
Check the locking condition
of the coupler.
Open or short circuit in speed-
ometer lead.
Breakage speedometer cable or
speedometer gear unit.
Defective speed sensor.
If there is a malfunction, repair it and connect
it securely.
Speedometer coupler
Main wiring harness ECU coupler
Repair or replace if there is an open or short
circuit.
Between speedometer coupler and ECU cou-
pler
white - white
black/blue - black/blue
Execute the diagnostic mode (code No.D07)
Checking the speedometer cable breakage
and loose connection.
Checking the movement of the speedometer
gear unit 1 .
Checking the breakage of the speedometer
clutch projections a and speedometer gear
unit slots b .
Execute the diagnostic mode (code No. D07)
Replace the meter assembly.
Reinstated by input-
ting the vehicle speed
signals by turning the
front wheel.
1
2
3
4
7-22
Downloaded
from
www.ScooterTime.net
