6 - 17
FI
FUEL INJECTION SYSTEM
Fault code No.
16
Symptom Stuck throttle position sensor detected.
Diagnostic code No. D01
Throttle position sensor
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Installed condition of throttle posi-
tion sensor.
• Check the installed area for
looseness or pinching.
• Check that the throttle position
sensor is installed in the speci-
fied position.
Refer to “CHECKING AND
ADJUSTING THE THROTTLE
POSITION SENSOR”.
Reinstated by
starting the
engine, operat-
ing it at idle, and
then racing it.
2
Defective throttle position sensor.
• Execute the diagnostic monitor-
ing mode.
(Code No.D01)
• Replace if defective.
Refer to “CHECKING AND
ADJUSTING THE THROTTLE
POSITION SENSOR”.
Fault code No.
21
Symptom Coolant temperature sensor: open or short circuit
detected.
Diagnostic code No. D06
Coolant temperature sensor
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Installed condition of coolant tem-
perature sensor.
Check the installed area for loose-
ness or pinching.
Turning the
main switch to
“ON”.
2
Connections
• Coolant temperature sensor cou-
pler
• Main wire harness-ECU coupler
• Check 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 the coupler securely.
3
Open or short circuit in wire har-
ness.
• Repair or replace if there is an
open or short circuit.
• Between coolant temperature
sensor coupler and ECU cou-
pler.
(black/blue–black/blue)
(green/yellow–green/yellow)
4
Defective coolant temperature
sensor.
• Execute the diagnostic mode.
(Code No.D06)
• Replace if defective.
Refer to “SIGNALING SYSTEM”
in chapter 9.
Summary of Contents for GRIZZLY 700 FI YFM7FGPW
Page 1: ...LIT 11616 20 11 3B4 28197 10 YFM7FGPW SERVICE MANUAL ...
Page 47: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence 3 1 4 2 7 8 5 6 ...
Page 274: ...6 2 FI FUEL INJECTION SYSTEM 6 ...
Page 482: ...10 7 TRBL SHTG ...
Page 484: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...