6-52
–
+
ELEC
Fault code No.
P1604/P1605
Symptoms
Open or short circuit in the lean angle sensor
Diagnostic code No.
D08 (Lean angle sensor)
Item
Item and components and
probable cause
Actions
Confirmation procedure after
actions
1
Connection of lean angle 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).
Defective connections
Re-
connect or replace the harness.
Turn the main switch to
“ON
OFF
ON”.
After the above work is finished,
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 2.
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).
Defective connections
Re-
connect or replace the harness.
Turn the main switch to
“ON
OFF
ON”.
After the above work is finished,
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.
3
Harness continuity
Open or short circuit
Replace
the harness.
Turn the main switch to
“ON
OFF
ON”.
After the above work is finished,
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 4.
4
Faulty lean angle sensor
Check in diagnostic mode (code
No. D08).
Upright position 0.4-1.4 V
Overturned
3.7-4.4 V
An indicated value is incorrect
Defective sensor.
Re-
place the lean angle sensor.
Turn the main switch to
“ON
OFF
ON”.
After the above work is finished,
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 5.
5
ECU malfunction
Replace the ECU.
Finish the service.
6
EG warning light, delete the
fault code.
Delete this fault code with the
status “Recovered” in the
Yamaha diagnostic tool.
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