Fault code No.
Item
3-6
[For P1605] Open circuit
Between lean angle sensor coupler and ECU coupler: black/blue–black/blue
If there is no continuity, replace the wire harness.
Y/R
R/L
Lg
L/W
B/L
B/W
B/L
B/L
A. XP530E-A
B. XP530-A
C. XP530D-A
3-7
Disconnect the couplers from the parts that are connected to the ECU.
Refer to "Parts connected to the ECU" on page 8-63.
3-8
[For P1604/P1605] Short circuit
Between lean angle sensor output terminal (yellow/green) "a" of ECU coupler and any other ECU
coupler terminal "b".
If there is continuity, replace the wire harness.
Y/R
R/L
Lg
L/W
B/L
B/W
B/L
B/L
b
A. XP530E-A
B. XP530-A
C. XP530D-A
4
Defective lean angle sensor.
5
Malfunction in ECU.
P1604, P1605
[P1604] Lean angle sensor: ground short circuit detected.
[P1605] Lean angle sensor: open or power short circuit.
B/Y
W
W
G/R
Lg/L
Br/W
Lg/W
R
B
P/W
L
L
Y/L
W/G
W/Y
Gy/G
Y/G
B/Y
G/R
Lg/L
W
W
Br/W
Lg/W
R
B
a
P/W
L
L
Y/L
W/G
W/Y
Gy/G
Y/G
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-242.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-230.
FUEL INJECTION SYSTEM
Y/R
R/L
B/Y
W
W
G/R
Lg/L
Lg
L/W
Br/W
Lg/W
R
B
B/L
B/W
W/G
P/W
L
L
B/L
B/L
Y/L
W/G
W/Y
Gy/G
Y/G
Y/R
R/L
B/Y
G/R
Lg/L
W
W
Lg
L/W
Br/W
Lg/W
R
B
a
B/L
B/W
W/G
P/W
L
L
B/L
B/L
Y/L
W/G
W/Y
Gy/G
Y/G
b
8-104
Y/R
R/L
O/W
B/Y
W
W
G/R
Lg
L/W
R/G
G/L
Br/W
R
B
B/L
B/W
W/G
Lg/L
P/W
L
B/L
B/L
Lg/B
Y/L
W/G
W/Y
Gy/G
Y/R
R/L
O/W
B/Y
G/R
W
W
Lg
L/W
R/G
G/L
Br/W
Lg/W
R
B
B/L
B/W
W/G
Lg/L
P/W
L
L
B/L
B/L
Lg/B
Y/L
W/G
W/Y
Gy/G
b
Push the ON/start switch, then
to "OFF", and then back to
"ON".
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered" Go
to item 6 and finish the service.
Condition is "Detected" Go to
item 5.
Service is finished.
Lg/L
Lg/W
L
Y/G
Lg/L
a
Y/G