Throttle Position (TP) Sensor

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

TP SENSOR RESISTANCE SPECIFICATIONS

Application

Terminals ⁽¹⁾

Ohms @ 68°F (20°C)

ES300, GS300 & IS300

VC & E2

⁽³⁾ 1200-3200

RX300 ⁽²⁾

Throttle Fully Closed

VTA & E2

200-6300

Throttle Fully Open

VTA & E2

2000-10,200

.....

VC & E2

2500-5900

GS430, LS430 & SC430

VC & ETA

⁽³⁾ 1250-2350

GX470 & LX470

⁽⁴⁾

⁽¹⁾	For TP sensor terminal identification, see Fig 1-Fig 3 .

⁽²⁾	Apply vacuum to throttle opener before checking TP sensor.

⁽³⁾	Resistance at 68°F (20°C).

⁽⁴⁾	Information not available from the manufacturer.

Fig 1: Testing Throttle Position (TP) Sensor (ES300 Shown; LX470 & RX300 Are Similar)

Fig 2: Testing Throttle Position (TP) Sensor (GS300 & IS300)

Fig 3: Testing Throttle Position (TP) Sensor (GS430, LS430 & SC430)