6-21
FUEL
Fuel system
Checking the TPS
1.
Check the TPS exterior. Replace if
cracked.
2.
Check the TPS electrical performance.
See “Checking the TPS” (5-16).
Adjusting the TPS
When adjusting the TPS, the output voltage
can also be measured using the “Engine
monitor” of the YDIS. To connect and operate
the YDIS, see the YDIS (Ver. 1.30 or later)
Instruction Manual.
1.
Remove the intake silencer. See “Intake
silencer” (6-16).
2.
Disconnect the throttle link joint assembly
a
from the throttle lever 1
b
.
3.
Check that the throttle valves are fully
closed.
4.
Disconnect the TPS coupler
a
, and then
connect the test harness (3 pin)
c
.
5.
Turn the engine start switch to “ON.”
6.
Measure the TPS output voltage with the
throttle valves fully closed. If the output
voltage is out of specification, adjust the
position of the TPS
d
.
7.
Loosen the TPS screws
e
and adjust the
position of the TPS
d
to get the specified
output voltage.
TIP:
• To increase the output voltage, turn the
TPS
d
in direction
b
.
• To decrease the output voltage, turn the
TPS
d
in direction
c
.
8.
Tighten the TPS screws
e
.
9.
Connect the throttle link joint assembly
a
to the throttle lever 1
b
.
10. Operate the throttle valves several times
and make sure that the TPS output volt-
age is specification.
11. Disconnect the test harness (3 pins)
c
,
and then connect the TPS coupler
a
.
12. Install the intake silencer. See “Intake
a
b
Test harness (3 pins)
c
: 90890-06793
TPS output voltage:
Pink (P)–Black (B)
0.70
±
0.02 V
c
c
a
d
a
e
d
c
b
B
B
O
P
P
O
O P B
Summary of Contents for F150B
Page 1: ...SERVICE MANUAL 6BM 28197 5L 11 F150B FL150B ...
Page 4: ......
Page 211: ...6 34 Vapor separator 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 311: ...8 32 Shimming regular rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T1 T2 ...
Page 351: ...8 72 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T2 T4 T1 ...
Page 448: ...A 1 MEMO ...
Page 451: ......
Page 452: ...Printed in China Jul 2008 0 6 1 ABE E_4 YAMAHA MOTOR CO LTD ...
Page 458: ......