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GDI – Troubleshooting 13A-18 Code No.14 Throttle position sensor system (2nd channel) Probable cause The throttle valve controller determines whether a failure is present or not, and D Ignition switch: ON D Throttle position sensor (1st channel) is normal Set conditions D The throttle position sensor (1st channel) output voltage is 1.24 V or more, and or D The throttle position sensor (1st channel) output voltage is 3.53 V or less, and or D Throttle position sensor (1st and 2nd channels) output voltages are outside 4 D Malfunction of throttle position sensor (2nd channel) D Open circuit or short-circuited harness wire in throttle D Faulty throttle valve controller D Malfunction of the engine-ECU Check trouble symptom. NG Replace the engine-ECU. NG Repair OK Replace the throttle valve controller. Check the throttle position sensor. (Re- NG Replace OK Measure at throttle position sensor con- D Disconnect the connector, and D Voltage 1 and earth D Continuity between 3 and earth NG Check the following connector: C-48 NG Repair OK Check trouble symptom. NG Check the harness wire between the OK NG Check the following connector: A-03 NG Repair OK Check trouble symptom. NG Check the harness wire between the OK Adjust the throttle position sensor. NG Repair OK Measure at throttle valve controller con- D Connect the connector. D Disconnect the throttle valve control D Voltage between 7 and earth NG Check the following connector: A-03 NG Repair OK Check trouble symptom. NG Check the harness wire between the OK Replace the throttle valve controller. Measure at engine-ECU connector D Connect the connector. D Disconnect the throttle valve control D Voltage between terminal 78 and |