Suzuki VLR1800 Service Manual

Engine General Information and Diagnosis: 1A-82
2 1) Check the continuity between each ISC valve terminal
“G” and “I”, terminal “H” and “J”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
ISC valve continuity
∞ Ω (Infinity)
(Terminal “G” – Terminal “I”)
(Terminal “H” – Terminal “J”)
2) If OK, then measure the resistance (between the Bl/R
wire terminal “A” and Y wire terminal “B”) and (between
the W/Bl wire terminal “C” and Br wire terminal “D”).
ISC valve resistance
Approx. 30 Ω at 20 °C (68 °F)
(Terminal: “G” – Terminal: “H”, Terminal: “I” –
Terminal: “J”)
Is the resistance OK?
If wire is OK,
intermittent trouble or
faulty ECM.
Replace the ISC valve
with a new one. Refer to
“Throttle Body
Disassembly and
Assembly in Section 1D
(Page 1D-12)”.
Step Action Yes No
(A)
“I”
“H”
“J”
“G”
I822H1110084-01
(A)
“I”
“H”
“J”
“G”
I822H1110085-01

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