Yamaha TMAX XP530E-A 2017 Service Manual page 491

Fault code No.
Item
5 Defective sidestand switch.
6 Malfunction in ECU.
7 Delete the fault code and check
that the engine trouble warning
light goes off.
Fault code No. P1602
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 battery
leads.
Check the installed condition of
the battery and battery leads
(loose bolts).
2 Connection of starter relay cou-
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).
P1601
Sidestand switch: open or short circuit of the light green lead of the
ECU is detected.
Execute the diagnostic mode.
(Code No. 20)
Sidestand retracted: "ON"
Sidestand extended: "OFF"
Replace if defective.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-230.
Confirm that the fault code has
a condition of "Recovered"
using the Yamaha diagnostic
tool, and then delete the fault
code.
P1602
Malfunction in ECU internal circuit (malfunction of ECU power cut-
off function).
Able/Unable to start engine
Able/Unable to drive vehicle
—
—
—
Maintenance job
Improperly installed battery or
battery leads  Reinstall or
replace the battery leads.
Improperly connected  Con-
nect the coupler securely or
replace the wire harness.
8-100
FUEL INJECTION SYSTEM
Push the ON/start switch, and
then extend and retract the side-
stand.
Check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 6.
Service is finished.
Confirmation of service com-
Push the ON/start switch, and
then check the condition of the
fault code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 2.
Push the ON/start switch, and
then check the condition of the
fault code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 3.
pletion