FI
Fault code No.
42
Symptom
1 No normal signals are received from the speed sensor.
Used diagnostic code No. 07 (speed sensor)
→
A1 ~ A4
Order Inspection operation item and probable
cause
Operation item and countermeasure
Reinstatement
method
A1
Connected condition of speed sensor
connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
If there is a malfunction, repair it and connect it
securely.
Speed sensor coupler
Main wiring harness ECU coupler
Reinstated by
starting the
engine, and
inputting the
vehicle speed
signals by
operating the
snowmobile at a
low speed of 20
to 30 km/h.
A2
Open or short circuit in speed sensor
lead.
Repair or replace if there is an open or short circuit.
Between sensor coupler and ECU coupler.
Blue – Blue
White – White
Black/Blue – Black/Blue
A3
Defective speed sensor
Execute the diagnostic mode (Code No.07).
Replace if defective.
1. Measure the speed sensor output voltage.
2. Connect the pocket tester (DC 20 V) to the
speed sensor coupler terminal as shown.
3. Measure the speed sensor output voltage.
4. Is the speed sensor OK?
A4
Gear for detecting vehicle speed has
broken.
Replace if defective.
Refer to “FRONT AXLE AND TRACK” in
CHAPTER 4.
Tester positive probe
→
pink
Tester negative probe
→
black/white
Speed sensor output voltage
When sensor is on
DC 4.8 V or more
When sensor is off
DC 0.6 V or less
FUEL INJECTION SYSTEM
80
Содержание RX10RTL
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