Yamaha FZ 25 2021 Supplementary Service Manual page 171

Fault code No.
Symptoms
Diagnostic code No.
NOTICE
• Do not remove the sensor module.
• If fault code numbers P0107/P0108 and P0106 are indicated at the same time, check and repair
P0107/P0108 first.
Item and components and
Item
probable cause
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 the sensor
module.
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
P0107/P0108
Open or short circuit in the intake air pressure sensorr detected.
P0107 (open circuit/ground fault)/P0108 (sky fault)
D03 (Intake air pressure sensor)
Defective connections  Re-
connect or replace the harness.
Open or short circuit  Replace
the harness.
Note: In the case of P0107,
check the following:
ECU - Intake air pressure sen-
sor (sensor output)
ECU - Intake air pressure sen-
sor (sensor power supply)
Note: In the case of P0108,
check the following:
ECU - Intake air pressure sen-
sor (sensor ground)
Check the installation part for
looseness, stuck places.
Check if the mounting position
is OK.
6-41
Actions
Turn the main switch to "ON",
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered  Go to
item 6 and finish the service.
Condition is Detected  Go to
item 3.
Turn the main switch to "ON",
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered  Go to
item 8 and finish the service.
Condition is Detected  Go to
item 4.
Turn the main switch to "ON",
and then check the condition of
the fault code in diagnostic
mode of the Yamaha diagnostic
tool.
Condition is Recovered  Go to
item 8 and finish the service.
Condition is Detected  Go to
item 5.
ELEC
Confirmation procedure after
actions
– +