Suzuki VLR1800 Service Manual

Engine General Information and Diagnosis: 1A-44
3 1) Turn the ignition switch OFF.
2) Disconnect the TP sensor coupler.
3) Connect the test harness to the TP sensor.
4) Check the continuity between terminal “C” and ground.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(C): 09900–28630 (TPS test wire harness)
TP sensor continuity
∞ Ω (Infinity) (Terminal “C” – Ground)
5) If OK, then measure the TP sensor resistance at the test
harness terminals (between terminal “C” and terminal
“D”).
6) Turn the throttle grip and measure the resistance.
TP sensor resistance
Throttle valve is closed: Approx. 1.1 kΩ
Throttle valve is opened: Approx. 4.3 kΩ
Go to Step 3. • Reset the TP sensor
position correctly.
• Replace the TP
sensor with a new
one.
Step Action Yes No
“C”
(C)
(A)
I822H1110143-01
ECM
TPS
P/B
R
B/Br
(C)
I822H1110145-03

Suzuki VLR1800 Specifications

General

Manufacturer	Suzuki
Model	VLR1800
Compression Ratio	10.5:1
Fuel System	Fuel injection
Starter	Electric
Transmission	5-speed
Category	Cruiser
Displacement	1783 cc
Ignition	Electronic ignition (Transistorized)
Final Drive	Shaft
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Rear Brakes	Single disc
Ground Clearance	140 mm
Seat Height	705 mm