Fail-Safe Function - Suzuki RM-z450 Owner's Service Manual

12-19 FI SYSTEM DIAGNOSIS

FAIL-SAFE FUNCTION

FI system is provided with fail-safe function to allow the engine to start and the motorcycle to run in a mini-
mum performance necessary even under malfunction condition.
ITEM
IAP sensor
TP sensor
ECT sensor
IAT sensor
Gear position signal
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.
FAIL-SAFE MODE
Intake air pressure is fixed to 106
kPa (795 mmHg).
The throttle opening is fixed to close
position.
Ignition timing is also fixed.
Engine coolant temperature value is
fixed to 80 °C (176 °F).
Intake air temperature value is fixed
to 30 °C (86 °F).
Gear position signal is fixed to 1st
gear.
STARTING RUNNING
ABILITY ABILITY
"YES" "YES"
"YES" "YES"
"YES" "YES"
"YES" "YES"
"YES" "YES"