Suzuki GSX1300R Manual page 73

Signal
ACCELERATION SIGNAL/ DECELERATION
SIGNAL
Injection Stop Control
Signal
TIP-OVER SENSOR SIGNAL (FUEL SHUT-OFF)
OVER-REV. LIMITER SIGNAL
Self-Diagnosis Function
The self-diagnosis function is incorporated in the ECM. The function has two modes, "User mode" and "Dealer mode".
The user can only be notified by the LCD (DISPLAY) panel and LED (FI indicator light). To check the function of the
individual FI system devices, the dealer mode is provided. In this check, the special tool is necessary to read the code
of the malfunction items.
User Mode
Malfunction
"NO"
Engine can start
"YES"
Engine can not start
*1
Current letter displayed any one of the odometer, tripmeter 1 or tripmeter 2.
*2
When one of the signals is not received by ECM, the fail-safe circuit works and injection is not stopped. In this case,
"FI" and odometer (*1) are indicated in the LCD panel and motorcycle can run.
*3
The injection signal is stopped, when the crankshaft position sensor signal, tip-over sensor signal, ignition signal, #1,
#2, #3 and #4 injector signals, fuel pump relay signal or ignition switch signal is not sent to ECM. In this case, "FI" is
indicated in the LCD panel. Motorcycle does not run.
"CHEC":
The LCD panel indicates "CHEC" when no communication signal from the ECM is received for 5 seconds and more.
For Example:
The ignition switch is turned ON, and the engine stop switch is turned OFF. In this case, the speedometer does not
receive any signal from the ECM, and the panel indicates "CHEC".
If CHEC is indicated, the LCD does not indicate the trouble code. It is necessary to check the wiring harness between
ECM and speedometer couplers.
The possible cause of this indication is as follows:
Engine stop switch is in OFF position. Side-Stand/ignition inter-lock system is not working. Ignition fuse is burnt.
During acceleration, the fuel injection time (volume) is increased,
in accordance with the throttle opening speed and engine rpm.
During deceleration, the fuel injection time (volume) is decreased.
When the motorcycle tips over, the tip-over sensor sends a signal
to the ECM. Then, this signal cuts OFF current supplied to the fuel
pump, fuel injectors and ignition coils.
The fuel injector stops operation when engine rpm reaches rev.
limit rpm.
LCD (display) indication
"A"
Odometer *1
Odometer (*1) and "FI" letters
*2
"FI" letters
*3
Engine General Information and Diagnosis:
Descriptions
Descriptions
FI indicator light
indication "B"
—
FI indicator light turns ON.
FI indicator light turns ON
and blinks.
1A-2
B815H21101002
Indication mode
—
Each 2 sec. Odometer (*1)
and "FI" is indicated
alternately.
"FI" is indicated
continuously.