TPS Inspection (TBI)
- Disconnect TPS harness connector and throttle opener vacuum hose. Using hand vacuum pump, apply 19 in. Hg vacuum to throttle opener to move throttle lever to idle position.
- Using ohmmeter, check resistance between upper and lower terminals. See Figure . See THROTTLE POSITION SENSOR (TPS) RESISTANCE table. If TPS cannot be adjusted to obtain correct values at idle, replace TPS.