Self-Diagnostic Function And Diagnostic Code Table - Yamaha MBK XMAX 2014 Service Manual

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE

Fault
code No.
55 Immobilizer unit: Key code registration malfunction.
56 ECU: Unidentified code is received.
61 ISC (idle speed control) unit: open or short circuit detected.
Communication error with the meter
Fault
code No.
ECU (engine control unit) internal malfunction (output signal error):
Er-1 signals cannot be transmitted between the ECU and the multi-function
meter.
ECU (engine control unit) internal malfunction (output signal error): no
Er-2
signals are received from the ECU within the specified duration.
ECU (engine control unit) internal malfunction (output signal error):
Er-3
data from the ECU cannot be received correctly.
ECU (engine control unit) internal malfunction (input signal error):
Er-4
non-registered data has been received from the meter.
Diagnostic code: sensor operation table
Diagnostic
code No.
D01 Throttle position sensor
signal
• Fully closed position
• Fully open position
D03 Intake air pressure
D05 Intake air temperature
D06 Coolant temperature
Item
Item
Item
8–22
88–102
Displays the intake air
pressure.
Displays the intake air
temperature.
When engine is cold: Dis-
plays temperature closer
to air temperature.
When engine is hot: Dis-
plays current coolant tem-
perature.
Meter display
9-6
Reference
pages
8-85
8-85
8-68
Reference
pages
8-69
8-70
8-71
8-72
Procedure
Check with throttle valve
fully closed.
Check with throttle valve
fully open.
Operate the throttle while
pulling the brake lever and
pushing the start switch
" ". (If the display value
changes, the perfor-
mance is OK.)
Compare the actually
measured air temperature
with the meter display val-
ue.
Compare the actually
measured coolant temper-
ature with the meter dis-
play value.