Code 14: Throttle Position Sensor

NOTE: For component terminal identification, see TERMINAL IDENTIFICATION in this article. For appropriate WIRING DIAGRAMS, see WIRING DIAGRAMS section.

If using scan tool, go to step 3). Disconnect Throttle Position (TP) sensor connector. Using DVOM, check resistance between TP sensor terminals No. 1 and No. 4. If resistance is not 3500-6500 ohms, replace TP sensor. If resistance is as specified, go to next step.

Check resistance between specified TP sensor terminals. See TP SENSOR TERMINAL IDENTIFICATION table. While monitoring DVOM, slowly open throttle from idle to fully open position. If resistance does not change smoothly, replace TP sensor. If resistance changes smoothly, go to step 4).

TP SENSOR TERMINAL IDENTIFICATION

Application	Terminals No.
All Models	2 & 4

Turn ignition switch to ON position. Using scan tool, read Throttle Position (TP) sensor voltage. With throttle at idle, voltage should read .3-1.0 volt. Voltage should increase while slowly opening throttle. At wide open throttle, voltage should read 4.5-5.5 volts. If voltage is not as specified, replace TP sensor. If voltage is as specified, go to next step.

Disconnect TP sensor connector. Using DVOM, check continuity between chassis ground and specified TP sensor connector terminal. See TP SENSOR CONNECTOR GROUND CIRCUIT IDENTIFICATION table. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.

TP SENSOR CONNECTOR GROUND CIRCUIT IDENTIFICATION

Application	Terminal No.
All Models	4

Disconnect TP sensor connector and PCM connector. Check for continuity between specified TP sensor connector terminal and PCM connector terminal. See TP SENSOR-TO-PCM WIRING HARNESS TERMINAL IDENTIFICATION table. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.

TP SENSOR-TO-PCM WIRING HARNESS TERMINAL IDENTIFICATION

Application	TP Sensor Terminal No.	PCM Terminal No.
Mirage & Summit	1	61
2		64

Check voltage between chassis ground and specified TP sensor connector terminal. See TP SENSOR VOLTAGE CIRCUIT IDENTIFICATION table. If voltage is not 4.8-5.2 volts, replace PCM. If voltage is as specified, condition required to set trouble code is not present at this time. Test is complete. Intermittent problem may exist. See TESTS W/O CODES - 1.5L article.

TP SENSOR VOLTAGE CIRCUIT IDENTIFICATION

Application	TP Sensor Terminal No.
Mirage & Summit	1

Disconnect TP sensor connector. Turn ignition switch to ON position. Using DVOM, check voltage between chassis ground and TP sensor connector terminal No. 14. If voltage is not 4.8-5.2 volts, repair wiring harness as necessary. If voltage is as specified, go to next step.

Check continuity between chassis ground and specified TP sensor connector terminal. See TP SENSOR CONNECTOR GROUND CIRCUIT IDENTIFICATION table. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.

TP SENSOR CONNECTOR GROUND CIRCUIT IDENTIFICATION

Application	TP Sensor Terminal No.
All Models	4

With TP sensor connector and PCM connector disconnected, check for continuity between specified TP sensor connector terminal and PCM connector terminal. See PCM-TO-TP SENSOR HARNESS IDENTIFICATION table. If continuity does not exist, repair wiring harness as necessary. If continuity exists, condition required to set trouble code is not present at this time. Test is complete. Intermittent problem may exist. See TESTS W/O CODES - 1.5L article.

PCM-TO-TP SENSOR HARNESS IDENTIFICATION

Application	PCM Terminal No.	TP Sensor Terminal No.
All Models	9	2