Throttle Position (TP) Sensor (Metro)

With battery disconnected, remove EVAP hoses, A/C solenoid vacuum valve hose (if equipped), IAT sensor electrical connector and air cleaner from TBI.
Using ohmmeter, check continuity between designated terminals. Adjust or replace switch if it is not within specification. See Fig 1 . See THROTTLE POSITION (TP) SENSOR RESISTANCE table. If resistance is not within specification, adjust/replace TP sensor.

Fig 1: Throttle Position Sensor Terminal ID

Courtesy of GENERAL MOTORS CORP.

THROTTLE POSITION (TP) SENSOR RESISTANCE

Application Condition

Ohms

Between Terminals 1 & 2 ⁽¹⁾

0-5000

Between Terminals 1 & 2 ⁽²⁾

0-5000

Between Terminals 1 & 2 ⁽³⁾

Infinite

Between Terminals 1 & 4

4370-8130

Between Terminals 1 & 3 ⁽¹⁾

240-1140

Between Terminals 1 & 3 ⁽⁴⁾

3170-6600

⁽¹⁾	Throttle valve at idle.

⁽²⁾	Throttle lever-to-stop screw clearance is 0.012" (0.30 mm).

⁽³⁾	Throttle lever-to-stop screw clearance is 0.035" (0.90 mm).

⁽⁴⁾	Throttle valve fully opened.