Hyundai OBD1 Codes


Hyundai vehicles 1989-95 obd1 code retrieval

To get your check engine light codes for Hyundai vehicles 1989-95 is simple. All it needs is your analog voltmeter (a voltmeter that has a needle indicator) hooked up to your diagnostic connector. The diagnostic connector is usually located under your dash panel on the left side of the steering column.
Hyundai OBD1 DecoderTo hook up the voltmeter, connect the positive lead on the “mpi” diagnostic pin on the top right corner of the connector and the negative lead is connected to the ground pin of the diagnostic connector located in the lower left corner.
You can then turn the key on and watch the codes being sweep by the needle of your voltmeter. Example: A code 13 is shown as 1 sweep of long duration followed by 3 sweeps of short duration. Also if there are more codes, it will be shown in numerical order.

Here are some popular obd1 codes for Hyundai 1989-1995 vehicles:
Code 11 Oxygen sensor
Code 12 Air flow sensor
Code 13 Air temperature sensor
Code 14 Throttle positioner sensor
Code 15 Motor position sensor
Code 21 Engine coolant sensor
Code 22 Crank angle sensor
Code 23 No.1 cylinder top dead center sensor
Code 24 Vehicle speed sensor
Code 25 Barometric pressure sensor
Code 41 Injector
Code 42 Fuel pump
Code 43 EGR
Code 44 Ignition coil fault
Code 59 Oxygen sensor fault

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