Throttle Position (TP) Sensor

Ensure ignition is off. Disconnect electrical connector from throttle position sensor on throttle body. Note terminal identification. See Fig 1.
NOTE: Some models require that vacuum be applied to throttle opener before checking throttle position sensor. See THROTTLE POSITION SENSOR RESISTANCE SPECIFICATIONS table.
Insert specified thickness feeler gauge between throttle stop screw and throttle lever and check resistance or continuity. See THROTTLE POSITION SENSOR RESISTANCE SPECIFICATIONS table. Replace or adjust throttle position sensor if not within specification.

Fig 1: Checking Throttle Position (TP) Sensor

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

THROTTLE POSITION SENSOR RESISTANCE SPECIFICATIONS

Application Type

Clearance In. (mm)

Terminals Tested

Ohmmeter Reading

2.0L ⁽¹⁾

0 (0)

VTA & E2

200-5700

.020 (.50)

IDL & E2

Continuity

.028 (.70)

IDL & E2

No Continuity

Fully Open

VTA & E2

2000-10,200

VC & E2

2500-5900

⁽¹⁾	Apply vacuum to throttle opener before checking TP sensor.