Suzuki RM-Z450 - Fail-Safe Function

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.
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.
ITEM FAIL-SAFE MODE
STARTING
ABILITY
RUNNING
ABILITY
IAP sensor Intake air pressure is fixed to 106
kPa (795 mmHg).
“YES” “YES”
TP sensor The throttle opening is fixed to close
position.
Ignition timing is also fixed.
“YES” “YES”
ECT sensor Engine coolant temperature value is
fixed to 80 °C (176 °F).
“YES” “YES”
IAT sensor Intake air temperature value is fixed
to 30 °C (86 °F).
“YES” “YES”
Gear position signal Gear position signal is fixed to 1st
gear.
“YES” “YES”