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Hyundai Code Retrieval
Accessing Diagnostic Trouble Codes
With Multi-Use Tester
Except 1993-95 Scoupe
- Turn ignition switch to Off.
- Connect harness connector of multi-use tester to diagnostic connector
in fuse box, located on left kick panel.
- Connect power-source terminal of multi-use tester to cigarette lighter
socket.
- Turn ignition switch On, then use multi-use tester to read
self-diagnostic codes.
- Repair any malfunctions found using tester.
- Turn ignition switch Off, then disconnect battery ground cable for 10
seconds.
- Check that no malfunction codes are displayed with multi-use tester.
- Disconnect multi-use tester. If a test is to made during cranking, the
power to cigarette lighter will be interrupted therefore, use a separate
battery harness for multi-use tester.
With Analog Voltmeter
Except 1993-95 Scoupe
- Connect voltmeter to self-diagnosis connector, located in fuse box on
left kick panel.
- Turn ignition switch On and note an immediate indication of ECM (ECU)
memory contents will begin. If system is in normal condition, pointer of
voltmeter indicates a normal pattern. If any abnormality is in the
memory, pointer of voltmeter will deflect indicating an abnormal
condition.
- After recording abnormal items, check and repair each part.
- After repairs have been completed, disconnect battery ground cable for
at least 15 seconds to erase codes from memory.
Using On-Board Diagnostic Lamp
1993-95 Scoupe
- With ignition switch in the On position, ground the No. 10 terminal (L
wire) of diagnostic connector for approximately 2.5 seconds.
- The diagnostic connector is located on the left hand kick panel. The
first diagnostic trouble code or no fault detected will be indicated by
the on-board diagnostic lamp. The onboard diagnostic lamp will indicated
DTC's by flashing frequencies and 2 second pauses. As an example, one
flash, followed by a 2 second pause, followed by two flashes and another
2 second pause, followed by two flashes and a 2 second pause, followed
by three flashes and another 2 second pause, indicates a failure code
1223. The fault code will be repeated until the No. 10 terminal of the
diagnostic connector is grounded to proceed to the next fault code.
- The last output consist of the end of output code 3333.
Clearing Diagnostic Trouble Codes
To erase any diagnostic codes, disconnect battery ground cable for 15
seconds and the ECM (ECU) memory will be erased.
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