TRBL
SHTG
9-1
6S35H11
TRBL
SHTG
Troubleshooting
Troubleshooting the power unit
Troubleshooting the power unit
using the diagnostic flash indicator
NOTE:
9
When checking the diagnostic cord, to start
the engine.
9
The diagnostic signal code is the same
among Yamaha outboard motors.
9
The diagnosis flash indicator lights for 3
seconds after the engine start switch is
turned on.
1.
Connect the special service tool to the
outboard motor as shown.
NOTE:
When performing this diagnosis, all of the
electrical wires must be properly connected.
2.
Start the engine and let it idle.
3.
Check the flash pattern of the special ser-
vice tool to determine if there are any
malfunctions.
9
Normal condition
(no defective part or irregular process-
ing is found)
9
Single flash is given every 4.95 seconds.
a
: Light on, 0.33 second
b
: Light off, 4.95 seconds
9
Trouble code indication
Example: The illustration indicates code
number13 (Pulser coil malfunction).
a
: Light on, 0.33 second
b
: Light off, 4.95 seconds
c
: Light off, 0.33 second
d
: Light off, 1.65 seconds
4.
If a flash pattern listed in the trouble code
chart is displayed, check the malfunction-
ing part according to the flash pattern.
NOTE:
When more than one problem is detected,
the light of the special service tool flashes in
the pattern of the lowest numbered problem.
After that problem is corrected, the light flash-
es in the pattern of the next lowest numbered
problem. This continues until all of the prob-
lems are detected and corrected.
6S390010
L
Diagnostic flash indicator B:
90890-06865
b
6S390020
a
b
6S390030
d
1
3
a
a a a
c
Code
Symptom
1
Normal
13
Incorrect pulser coil signal
14
Incorrect crank position sensor
signal
15
Incorrect engine temperature
sensor signal
18
Incorrect throttle sensor signal
19
Incorrect battery voltage
44
Incorrect engine stop lanyard
switch signal
6S35H11_09 05.9.30 15:01 Page 2
Summary of Contents for 250GETO
Page 1: ...L250G SERVICE MANUAL 6S3 28197 5H 116 250G 250G L250G ...
Page 4: ......
Page 135: ... MEMO 9 8 7 6 5 4 3 2 1 6S35H11 5 48 ...
Page 201: ...6S35H11 6 64 9 8 7 6 5 4 3 2 1 MEMO ...
Page 291: ......
Page 292: ...YAMAHA MOTOR CO LTD Printed in Japan Aug 2005 1 4 1 E_2 Printed on recycled paper 250G L250G ...