Suzuki GSX-R1000K5 Service Manual page 182

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4-22 FI SYSTEM DIAGNOSIS

Secondary injection signal

Secondary throttle valve

Gear position signal

PAIR control solenoid valve

EXCV actuator

The engine can start and can run even if the above signal is not received from each sensor. But, the engine

running condition is not complete, providing only emergency help (by fail-safe circuit). In this case, it is nec-

essary to bring the motorcycle to the workshop for complete repair.

When two ignition signals or two injector signals are not received by ECM, the fail-safe circuit can not work

and ignition or injection is stopped.

FAIL-SAFE MODE

#1 Fuel-cut (secondary side)

#2 Fuel-cut (secondary side)

#3 Fuel-cut (secondary side)

#4 Fuel-cut (secondary side)

Secondary throttle valve is fixed to

full close position. When motor dis-

connection or lock occurs, power

from ECM is shut off.

Secondary throttle valve is fixed to

full close position.

Gear position signal is fixed to 6th

ECM stops controlling PAIR control

solenoid valve.

EXCV actuator is fixed to full open

position. When motor disconnection

or lock occurs, power from ECM is

#2, #3 & #4 cylinders can run.

#1, #3 & #4 cylinders can run.

#1, #2 & #4 cylinders can run.

#1, #2 & #3 cylinders can run.

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