Yamaha FZ 25 2021 Supplementary Service Manual page 169

Fault code No.
Symptoms
Diagnostic code No.
Item and components and
Item
probable cause
1 Connection of crank position
sensor coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
2 Connection of main harness
ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
3 Harness continuity
4 Installed condition of sensor.
- Check the installation part for
looseness and stuck places.
- Check the gap between the
sensor and the rotor. (Recom-
mendation: 0.8 mm)
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
P0335
No normal signals are received from the crank position sensor.
Defective connections  Re-
connect or replace the harness.
Defective connections  Re-
connect or replace the harness.
Open or short circuit  Replace
the harness.
Incorrect installation  Rein-
stall.
6-39
Actions
Crank the engine and check the
condition of the fault code in the
diagnostic mode of the Yamaha
diagnostic tool.
Condition is Recovered  Go to
item 7 and finish the service.
Condition is Detected  Go to
item 2.
Crank the engine and check the
condition of the fault code in the
diagnostic mode of the Yamaha
diagnostic tool.
Condition is Recovered  Go to
item 7 and finish the service.
Condition is Detected  Go to
item 3.
Crank the engine and check the
condition of the fault code in the
diagnostic mode of the Yamaha
diagnostic tool.
Condition is Recovered  Go to
item 7 and finish the service.
Condition is Detected  Go to
item 4.
Crank the engine and check the
condition of the fault code in the
diagnostic mode of the Yamaha
diagnostic tool.
Condition is Recovered  Go to
item 7 and finish the service.
Condition is Detected  Go to
item 5.
ELEC
Confirmation procedure after
actions
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