Yamaha Z150P Supplementary Service Manual page 140

TRBL
ANLS
SELF-DIAGNOSIS
NOTE:
When more than one problem is detected,
the diagnostic indicator's light flashes in
the pattern of the lowest numbered prob-
lem. After that problem is corrected, the
light flashes in the pattern of the next low-
est numbered problem. This continues until
all of the problems are detected and cor-
rected.
Diagnosis code chart
Code
1 Normal
13 Incorrect pulser coil input signal
No crank position sensor input
14
signal
Incorrect engine cooling water
15
temperature sensor input signal
Incorrect throttle position sen-
18
sor input signal
19 Low battery input voltage
Incorrect atmospheric pressure
22 sensor input signal (out of nor-
mal operating range)
Incorrect intake air temperature
23
sensor input signal
Incorrect fuel pressure sensor
25
input signal
26 No injector operation signals
27 Water detection switch ON
Incorrect shift position switch
28
input signal
Microcomputer processing
33 ~ 44
information
Ignition timing is being slightly
33 corrected (when starting a cold
engine)
Engine stop switch control
44
operating
– 126 –
E
Symptoms
8