Self-Diagnosis - Yamaha YZF-R6 Service Manual

EB812000

SELF-DIAGNOSIS

The YZF-R6 features a self-diagnosing system for the following circuit(-s):
S throttle position sensor
S fuel level indicator light
If any of these circuits are defective, their respective condition codes will be displayed on the tachome-
ter when the main switch is set to "ON" (irrespective of whether the engine is running or not)
Circuit
S Disconnected
Throttle posi-
S Short-circuit
tion sensor
S Locked
S Improper connec-
Fuel level indi-
cator light tion
Tachometer display sequence
Revolution
3
( 10 r / min)
When more than one item is being monitored, the tachometer needle displays the condition codes in
ascending order, cycling through the sequence repeatedly.
If the engine is stopped, the engine speed 3 is 0 r/min.
Defect(-s)
S The ignitor unit stays set to the
wide-open throttle ignition timing.
The motorcycle can be ridden.
S The tachometer displays the
condition code.
S The tachometer displays the
condition code.
0 r / min ... 3 seconds
1
Condition code ... 2.5 seconds
2
Engine speed ... 3 seconds
3
SELF-DIAGNOSIS
System response
8-54
ELEC
Condition code
3,000 r/min
8,000 r/min
Tachometer display
Engine speed
Time (seconds)