Yamaha R15 2022 Service Manual page 400

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No. P0132
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 Installed condition of O
2 Connection of O
pler.
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 Connection of 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).
4 Wire harness continuity.
5 Defective O sensor.
2
6 Malfunction in ECU.
P0132
O sensor: short to power circuit is detected.
2
Normal signal is not received from the O
Able to start engine
Able to drive vehicle
—
—
—
sensor. Check for looseness or pinch-
2
ing.
Improperly installed sensor →
Reinstall or replace the sensor.
Improperly connected → Con-
sensor cou-
2
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Short circuit in lines → Properly
connect or replace the wire har-
ness.
Between O
ECU coupler.
gray/green–any other ECU cou-
pler terminals
Check the O
Defective → Replace the O
sensor.
Replace the ECU.
Maintenance job
sensor coupler and
2
sensor.
2
2
8-67
ELEC
sensor.
2
Confirmation of service com-
pletion
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 2.
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 3.
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 4.
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 5.
Turn the main switch to "ON",
and then check the fault code
using the malfunction mode of
the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 6.
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