Yamaha PZ50W Service Manual page 273

Diagnostic
Item
code No.
Headlight relay
52
Passenger grip warmer
relay
59
EEPROM fault code dis-
play
60
Malfunction history code
display
61
Malfunction history code
erasure
62
70 Control number
FUEL INJECTION SYSTEM
Description of action
Actuates the headlight relay for five cycles of 5 seconds
and displays the self-diagnosis warning indicator 1 sec-
ond after the grip warmer side of the grip/thumb warmer
adjustment switch is pushed. (The relay is on for 2 sec-
onds and off for 3 seconds.)
This operation is performed each time the grip warmer
side of the switch is pushed. However, if the grip warmer
side of the switch is pushed again while the operation is
being performed, the operation will stop immediately and
restart from the beginning.
Actuates the passenger grip warmer relay for five cycles
of 5 seconds and displays the self-diagnosis warning
indicator 1 second after the grip warmer side of the grip/
thumb warmer adjustment switch is pushed. (The relay
is on for 2 seconds and off for 3 seconds.)
This operation is performed each time the grip warmer
side of the switch is pushed. However, if the grip warmer
side of the switch is pushed again while the operation is
being performed, the operation will stop immediately and
restart from the beginning.
• Displays the cylinder number if an error is detected in
the EEPROM CO adjustment value for the cylinder as
fault code No. 44.
• If both cylinders are defective, the display alternates
every 2 seconds.
• Displays the code numbers of past malfunctions (i.e., a
code number of a malfunction that occurred once and
which has been corrected).
• If more than one code number is detected, the display
alternates every 2 seconds to show all the detected
code numbers. When all code numbers are shown, the
display repeats the same process.
• Displays the total number of codes that are being
detected through self diagnosis and the fault codes in
the past history.
• Erases only the history codes when the grip warmer
side of the grip/thumb warmer adjustment switch is
pushed.
• Displays the program control number.
7-13
FI
Data displayed on meter
(reference value)
After pushing the switch, check
the operating sound of the
headlight relay five times.
(At that time, the headlight and
taillight come on.)
After pushing the switch, check
the operating sound of the pas-
senger grip warmer relay five
times.
(01 ~ 02) Displays the cylinder
number.
(00) Displays when there is no
malfunction.
11 ~ 85
(00) Displays when there is no
malfunction.
00 ~ 24
(00) Displays when there is no
malfunction.
00 ~ 255