5
. Fuel Injection System
5-25
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 Light up types
1
ON
OFF
2
ON
OFF
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.
=light on
=light off
2 3 1
0.5 0.5
3 1
0.5 0.5 0.5 0.5
6
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
0.3 sec
0.3 sec
First Flash Code
Second Flash Code
Light on for 2
seconds:
regular check
Check Lamp shuts
for 3seconds
Check Lamp shuts for
3 seconds, which
means there is a
second Flash Code
Key on
Check Lamp lights
on for one second,
shuts for half a
second and lights on
for half a second;
this means Flash
Code 11
Check Lamp lights
on for one second,
shuts and lights on
for half a second for
two rounds; this
means Flash Code
12
Check Lamp shuts
for 6 seconds and
the second Flash
Code blinking
section will start.
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