Efi Troubleshooting & Solution - Sym Joyride 125 Service Manual

EFi Troubleshooting and Solution
Readings of Trouble Code through Check Lamp
When the engine might have problem and there is no diagnostic tool to determine, the problem
can be judged by reading the flash times of Check Lamp on the speedometer. And then, you can
know the service priority level, or the FLASH CODE. Then you can try to fix the problem.
Here are the descriptions for the two ways:
To show "Service Priority"
Once the error in the EFi system is detected during driving (or anytime when the engine is
running).The Check Lamp on the speedometer will start to light in two ways.
Service Priority 1：Check Lamp keeps blinking: to warn the driver that the vehicle should be
checked immediately.
Service Priority 2：Check Lamp keeps lighting up: to warn the driver that the vehicle should be
checked as soon as possible, yet the vehicle has no immediate problem.
Service Priority
To show "FLASH CODE"
Turn the key on without starting the engine; Check Lamp will start to show Flash Code for four
times and then stop. If you turn the key off before Check Lamp shows Flash Code for four times,
it will show another four times after you turn the key on again.
Check Lamp lights on for 1 second to show tens digit, and lights on for half a second to show
units digit.
Key on
2 3
Light on for 2 Check Lamp shuts
seconds: for 3seconds
regular check
If the engine is started during Check Lamp is showing the Flash Code, Check Lamp will start to
show the service priority by blinking or lighting up.
To this chapter contents
ON
1
OFF
ON
2
OFF
=light on
First Flash Code
1 0.5 0.5
Check Lamp shuts for
Check Lamp lights
3 seconds, which
on for one second,
means there is a
shuts for half a
second Flash Code
second and lights on
for half a second;
this means Flash
Code 11
5
. Fuel Injection System
Light up types
0.3 sec
0.3 sec
=light off
Second Flash Code
3 1 0.5 0.5
Check Lamp lights
on for one second,
shuts and lights on
for half a second for
two rounds; this
means Flash Code
12
0.5 0.5 6
Check Lamp shuts
for 6 seconds and
the second Flash
Code blinking
section will start.
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