1.8L A/T & 2.2L
- Remove TPS connector. Using jumper wire, attach SIGRTN and VREF terminals between wiring harness connector and TP sensor. See Fig 1. Attach positive lead of voltmeter to sensor TP terminal and negative lead to SIGRTN terminal. Turn ignition on. Slowly depress accelerator pedal.
Courtesy of FORD MOTOR CO.
- Compare voltage to specifications shown in TPS VOLTAGE SPECIFICATIONS (1.8L A/T & 2.2L) . If voltage is not as specified, ensure throttle stop screw and linkage are adjusted correctly. Remove sensor and check for damaged, corroded or misadjusted pins. If okay, install sensor. Ensure sensor is seated correctly. Repeat step 1). If TPS is still not within specification, replace sensor.
TPS VOLTAGE SPECIFICATIONS
| Throttle Position |
Volts |
| 1/8 Open |
.998 |
| 1/4 Open |
1.60 |
| 3/8 Open |
2.37 |
| 1/2 Open |
2.74 |
| 5/8 Open |
3.15 |
| 3/4 Open |
3.43 |
| 7/8 Open |
3.60 |
| Full Open |
4.02 |