Yamaha XVS950CU 2014, Service Manual

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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
8-6
Communication error with the meter
Diagnostic code: sensor operation table
TIP
The diagnostic code numbers cannot be displayed on the multi-function meter. To display the diagnos-
tic code numbers, use the Yamaha diagnostic tool.
52
Immobilizer unit: Codes between the key and immobilizer unit do not
match.
7-106
53
Immobilizer unit: Codes cannot be transmitted between the ECU and
the immobilizer unit.
7-106
54
Immobilizer unit: Codes transmitted between the ECU and the immo-
bilizer unit do not match.
7-106
55 Immobilizer unit: Key code registration malfunction. 7-106
56 ECU: Unidentified code is received. 7-106
70 Engine idling stop —
Fault
code No.
Item
Reference
pages
Er-1
ECU (engine control unit) internal malfunction (output signal error):
signals cannot be transmitted between the ECU and the multi-function
meter.
7-85
Er-2
ECU (engine control unit) internal malfunction (output signal error): no
signals are received from the ECU within the specified duration.
7-86
Er-3
ECU (engine control unit) internal malfunction (output signal error):
data from the ECU cannot be received correctly.
7-87
Er-4
ECU (engine control unit) internal malfunction (input signal error):
non-registered data has been received from the meter.
7-88
Diagnostic
code No.
Item Display Procedure
01 Throttle position sensor
signal
• Fully closed position 14–20 Check with throttle valves
fully closed.
• Fully open position 92–102 Check with throttle valves
fully open.
02 Atmospheric pressure Displays the atmospheric
pressure. Compare the actually
measured atmospheric
pressure with the display
value.
03 Intake air pressure Displays the intake air
pressure. Set the engine stop switch
to “
”, and then operate
the throttle while pushing
the start switch “
”. (If the
display value changes, the
performance is OK.)
Fault
code No.
Item
Reference
pages