Yamaha XV1700P Service Manual page 415

Code No. 16
Used diagnostic code No. 01 (throttle position sensor)
No. 03 (intake air pressure sensor 1)
No. 04 (intake air pressure sensor 2)
No. 02 (atmospheric pressure sensor)
Inspection operation item and probable cause Operation item and countermeasure
1.Common to 1 and 2:
Connected state of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
2.Installed state of throttle position sensor.
3.Open or short circuit in wiring harness or
sub lead.
4.Throttle position sensor lead wire open cir-
cuit output voltage check
(B/L - Y)
Black/Blue - Yellow
5.Defective throttle position sensor.
6.Intake air pressure sensor hose detached,
clogged, kinked, or pinched.
Intake air pressure sensor malfunction at
intermediate electrical potential.
Atmospheric pressure sensor malfunction at
intermediate electrical potential.
FUEL INJECTION SYSTEM
Symptom 1 Stuck throttle position sensor detected.
2 Intake air pressure sensor - pipe system malfunction (clogged or
detached hose).
If there is a malfunction, repair it and connect it
securely.
Throttle position sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Check the installed area for looseness or
pinching.
Check that it is installed in the specified
position.
Refer to "FUEL INJECTION SYSTEM" in
chapter 7.
Repair or replace if there is an open or short
circuit.
Main wiring harness
Black/Blue - Black/Blue
Yellow - Yellow
Blue - Blue
Sub lead
Black/Blue - Black/Blue
Yellow - Yellow
Blue - Blue
Open circuit item:
Ground wire open circuit:
Output wire open circuit:
Power supply wire open circuit: 0 V
Check for open circuit and replace the throttle
position sensor.
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 7.
Repair or replace the sensor hose.
Inspect and repair the connection.
Replace it if there is a malfunction.
See page 6-25.
6 - 22
FI
Reinstatement
method
Reinstated by
starting the engine,
operating it at idle,
and then racing it.
Output voltage
5 V
0 V