Throttle Position (TP) Sensor
NOTE:
All testing procedures are performed with engine at normal operating temperature. For further TP sensor diagnosis, see TESTS W/CODES
article.
- With ignition off, unplug TP sensor harness connector. Check and record resistance between TP sensor terminals No. 1 and 3 with throttle fully closed. See Fig 1 .
- Check and record resistance between terminals No. 2 and 3 with throttle fully closed, then fully open. If readings are not as specified, replace TP sensor. See TP SENSOR SPECIFICATIONS table.
TP SENSOR SPECIFICATIONS
| Throttle Position & Terminal No. | Specification | |
|---|---|---|
| Terminals No. 1 & 3 | 5000 Ohms | |
| Terminals No. 2 & 3 | ||
| Throttle Fully Closed | 10,000-12,000 Ohms | |
| Throttle Fully Open | 3000-5000 Ohms | |