Suzuki GSX-R 1000 Service Manual: Exhaust control system operation
The excs is operated by the signal supplied from the ecm. The open/close operation of the excv is performed by the excva which is controlled by the ecm by changing the current direction of the actuator motor. The position sensor (incorporated in the excva) detects the excva movement by measuring the voltage and then the ecm determines the excv opening angle based on the engine rpm and gear positions. Every time the ignition switch is turned on, the excva automatically drives the excv and detects full close/open position voltages and sets the excv to middle position.
Full close
Full open
Exhaust control system description
The exhaust control system (excs) consists of the exhaust control valve (excv),
exhaust control valve actuator
(excva) and exhaust control valve cables (excv cables).
Excv is installed in the ex ...
Other materials:
Inspection before riding
Warning
Failure to inspect and maintain
your motorcycle properly
increases the chance of an
accident or equipment damage.
Always perform a pre-ride
inspection before each ride.
Refer to the table on page 4-4
for check items. For further
details, refer to the inspec· ...
Starting off
Warning
Riding this motorcycle at
excessive speed increases
your chances of losing control
of the motorcycle. This may
result in an accident.
Always ride within the limits of
your skills, your motorcycle,
and the riding conditions.
Warning
Remov ...
DTC table
In the lcd (display) panel, the malfunction code is indicated from small code
to large code.
*1 To get the proper signal from the throttle position sensor, the sensor basic
position is indicated in the lcd
(display) panel. The malfunction code is indicated in three digits. In front o ...