Suzuki VLR1800, Service Manual

Page: 207 / 624

Engine Electrical Devices: 1C-6
5) Close the secondary throttle valve by finger and
measure the STP sensor output voltage.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe
set)
Tester knob indication
Voltage (
)
STP sensor output voltage
ST valve is fully closed: Approx. 0.6 V ((+): Y/W –
(–): B/Br)
6) Loosen the STP sensor mounting screw adjust the
STP sensor (2) until the output voltage comes within
the specified value and tighten the STP sensor
mounting screw.
Special tool
: 09930–11950 (Torx wrench)
Tightening torque
STP sensor mounting screw: 3.5 N·m (0.35 kgf-
m, 2.5 lb-ft)
7) Reinstall the removed parts.
STP Sensor Removal and Installation
B822H11306014
Removal
1) Turn the ignition switch OFF.
2) Disconnect the coupler (1) and remove the STP
sensor (2) with the special tool.
NOTE
Prior to disassembly, mark each sensor’s
original position with a paint or scribe for
accurate reinstallation.
Special tool
: 09930–11950 (Torx wrench)
Installation
1) Remove the air cleaner chamber. Refer to “Air
Cleaner Chamber Removal and Installation in
Section 1D (Page 1D-6)”.
2) Close the secondary throttle valve by finger.
I718H1130017-01
(A)
(B)
I822H1130015-03
2
I822H1130016-01
2
1
I822H1130017-01
I718H1130017-01