Trouble Codes › KIA OBDI Trouble Codes

Full list of OBD I Diagnostic Trouble Codes for your KIA. If your KIA Check engine light is on you may have a serious problem. Scan your codes and follow the chart to determine what the code means. Some shops will scan your codes for free. Autozone is one place that will give you the code number.

How to Read Trouble Codes for Pre 1996 OBD I KIA

  1. To enter self-diagnostics, connect a jumper wire between GND and ENG TEST terminals at the Data Link Connector (DLC). See diagram below. The DLC is located at the center rear of the engine compartment.
  2. On all models, turn ignition on (engine off). Observe teh MIL and identify the trouble codes. Perform appropriate diagnostic tests. See Trouble Code Identification below.
KIA Trouble Code Test Port Diagram

KIA Trouble Code Identification

Code

System Affected

Probable Cause

02

No Ne-Signal

Distributor

03

No G-Signal

Distributor

08

Mass Airflow Sensor Circuit

Open Or Short Circuit

09

Engine Coolant Temperature Sensor

Open Or Short Circuit

10

Intake Air Temp. Sensor Circuit

Open Or Short Circuit

12

Throttle Posisiton Sensor Circuit

Open Or Short Circuit

14

Atmospheric Pressure Sensor Circuit

Open Or Short Circuit

15

Oxygen Sensor

Sensor output voltage stays at less than .55 volt with engine speed at 1500 RPM

17

Feedback System

Sensor output unchanged 50 seconds after engine speed exceeds 1500 RPM

25

Preesure Regulator Solenoid Valve Circuit

Open Or Short Circuit

26

Purge Control Solenoid Valve Circuit

Open Or Short Circuit

34

Idle Speed Control Solenoid Valve Circuit

Open Or Short Circuit

TO CLEAR THE CODES:

  1. Turn ignition off
  2. Disconnect negative batery cable for a minimum of 20 seconds
  3. Codes are now cleared
  4. Reconect battery cable

NOTE: When power is disconnected to the ECM to clear codes, computer memory will be erased. A change in vehicle performance and driveability may be noted while the ECM recalibrates for current driving conditions.

KIA Trouble Codes

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