Suzuki VZR1800 2008 User Manual

5-66 FI SYSTEM DIAGNOSIS
“C31” (P0705) GP SWITCH CIRCUIT MALFUNCTION
INSPECTION
Step 1
1) Turn the ignition switch OFF.
2) Remove the right frame side cover. (#9-5)
3) Check the GP switch coupler for loose or poor contacts.
If OK, then measure the GP switch voltage.
4) Support the motorcycle with a jack.
5) Fold the side-stand to up position.
6) Make sure the engine stop switch is in the “RUN” position.
7) Insert the needle pointed probe to the lead wire coupler.
8) Turn the ignition switch ON.
9) Measure the voltage at the wire side coupler between Pink
wire and B/W wire, when shifting the gearshift lever from 1st
to Top.
$ GP switch voltage: 0.6 V and more
(+ Pink – - B/W)
! 09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set
& Tester knob indication: Voltage (')
DETECTED CONDITION POSSIBLE CAUSE
No Gear Position switch voltage
Switch voltage is not within the following range.
Switch voltage > 0.6 V
• Gear Position switch circuit open or short
• Gear Position switch malfunction
• ECM malfunction
Side-stand switch
Neutral indicator
light
1
N
5
4
2
3
ECM
GP switch
Side-stand relay
Ignition
switch
BI
P
B
B/W
GP
To engine stop switch
E1
P
1
1
V

Suzuki VZR1800 2008 Specifications

General

Displacement	1783 cc
Bore x Stroke	112.0 mm x 90.5 mm
Compression Ratio	10.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Inverted telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Dual hydraulic disc
Rear Brakes	Single hydraulic disc
Engine Type	4-stroke, liquid-cooled, DOHC, V-twin
Front Tire	130/70R18M/C 63H
Overall Length	2485mm (97.8 inches)
Overall Height	1185 mm
Ground Clearance	140 mm (5.5 in)
Seat Height	705 mm
Curb Weight	347 kg