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EMS(Engine Management System)
HOW TO CHECK THE FAULT CODE
There are two methods of checking the fault codes.
1) Use the MIL in the speedometer.
2) The diagnostic tool.
First) Use the MIL in the speedometer(refer to how to read the fault codes and fault codes table and diagnostic
methods for each part)
Second) The diagnostic tool (refer to scan user’s manual.)
● Turn off the ignition key
● Disassemble the rh.side cover
● The coupler to check the malfunction of vehicle is connected to the coupler of diagnostic tool.
(The coupler to check the malfunction of vehicle is placed in the rh.side cover)
● Turn on the ignition key
● Press the power button of diagnostic tool
● Checks according to diagnostic procedure of diagnostic tool.
The wireharness to check the ECU
● This wireharness is connected with the ECU and main wireharness
It has two couplers to check the terminals.
● First coupler) ECU no.1~20
● Second coupler) ECU no.21~40
Arrangement of ECU PIN
● First coupler) ECU no.1,2,3,4,5,9,10,12,17,18,19,20 were connected
● Second coupler) ECU no.36,38 were not connected
Wire color to check the malfunction diagnosis
-P/W : PINK/WHITE
-P/Y : PINK/YELLOW
-B : BLACK
-G : GREEN
Coupler to check the malfunction diagnosis
The diagnostic Tool.
The wireharness to check the ECU
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