Injector Specific Data Input; Compression Test; Idle Speed Comparison; Injection Quantity Comparison - Hyundai Seasall S250S Workshop Manual

Fuel System

Injector Specific Data input

1. Turn ignition switch OFF.
2. Connect a scan tool to Data Link Connector
3. Turn ignition switch ON.
4. Input the injector data (7 digit),
Inspection

[COMPRESSION TEST]

1. Turn ignition switch OFF.
2. Connect a scan tool to Data Link Connector (DLC).
3. Turn ignition switch ON.
4. Perform the test in accordance with the message.
✍ NOTICE
If a cylinder's engine speed is higher than the other
cylinders, the cylinder's compression pressure is low.

[IDLE SPEED COMPARISON]

1. Turn ignition switch OFF.
2. Connect a scan tool to Data Link Connector (DLC).
3. Turn ignition switch ON.
4. Perform the test in accordance with the message.
✍ NOTICE
The injector in cylinder with significantly high (low) idle
speed injects more (less) quantity than the other
injectors

[INJECTION QUANTITY COMPARISON]

1. Turn ignition switch OFF.
2. Connect a scan tool to Data Link Connector (DLC).
3. Turn ignition switch ON.
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4 perform the test in accordance with the message
✍ NOTICE
* (+) correction value: Injection quantity is less than the
others.
* (-) correction value: Injection quantity is more than
the others.
* Very high correction value: The injector may have
any fault. At this time, replace the injector with a new
one and perform these tests again.
Diesel Control System