Suzuki Intruder VZ800 User Manual

5-56 FI SYSTEM
“C28” (P1655) STV ACTUATOR CIRCUIT MALFUNCTION
INSPECTION
Step 1
1) Remove the fuel tank. (6-3)
2) Turn the ignition switch OFF.
3) Check the STVA lead wire coupler for loose or poor contacts.
4) Loosen the inlet pipe screw. (2-7)
Lift up the inlet pipe. (5-45)
5) Turn the ignition switch ON to check the STV operation.
(STV operating order: 95% open → Full open → 95% open)
Is the operating OK?
6) After repairing the trouble, clear the DTC using SDS tool.
(5-25)
DETECTED CONDITION POSSIBLE CAUSE
The operation voltage does not reach the STVA.
ECM does not receive communication signal from
the STVA.
• STVA malfunction
• STVA circuit open or short
• STVA motor malfunction
ECM
STVA. 2B
STVA. 1A
STVA. 1B
STVA
B/Lg
P/W
B
P
G
W/Bl
G
B
STVA. 2A
1
YES Go to Step 2.
NO
• Loose or poor contacts on the STVA coupler
• Open or short circuit in the B/Lg, P/W, Black or
Green wires
• If wire and connection are OK, go to Step 2.
1
SAMPLE

Suzuki Intruder VZ800 Specifications

General

Engine Type	4-stroke, liquid-cooled, DOHC, 45-degree V-twin
Displacement	805 cc
Bore x Stroke	83.0 mm x 74.4 mm
Compression Ratio	9.4:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Rear Brake	Drum brake
Seat Height	700 mm (27.6 in)
Front Brake	Disc brake
Rear Tire	170/80-15M/C 77H, tube type
Fuel Tank Capacity	15.5 L (4.1 US gallons)