6 - 21
FI
Fault code No.
42
Symptom A. No normal signals are received from the speed sensor.
B. Open circuit is detected in the neutral switch.
Diagnostic code No. A
D07 Speed sensor
B
D21 Neutral switch
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
A-1
Connections
• Speed sensor coupler
• Main wire harness ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
Starting the
engine, and
activating the
vehicle speed
sensor by oper-
ating the vehi-
cle at 20 to 30
km/h.
A-2
Open or short circuit in speed sen-
sor lead.
• Repair or replace if there is an
open or short circuit.
• Between speed sensor coupler
and ECU coupler.
(blue–blue)
(white–white)
(black/blue–black/blue)
A-3
Gear for detecting vehicle speed
has broken.
• Replace if defective.
Refer to “TRANSMISSION” in
chapter 4.
A-4
Defective speed sensor.
• Execute the diagnostic mode.
(Code No.D07)
• Replace if defective.
Refer to “CHECKING THE
SPEED SENSOR”.
Summary of Contents for YFM700RV 2009
Page 1: ...YFM700RV SERVICE MANUAL 1S3 28197 E0 ...
Page 34: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence 1 3 2 4 5 7 8 6 ...
Page 52: ...2 29 SPEC OIL FLOW DIAGRAMS 1 Oil delivery pipe 2 Oil filter 3 Oil pump 2 3 A A A A 2 1 ...
Page 55: ...2 32 SPEC OIL FLOW DIAGRAMS 1 Balancer 1 2 Crankshaft 2 1 ...
Page 408: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...
