Throttle Position (TP) Sensor

Disconnect negative battery cable and TP sensor connector. See Fig 1 or Fig 2 . Using an ohmmeter, check resistance between indicated terminals. See THROTTLE POSITION (TP) SENSOR RESISTANCE table.

Fig 1: Identifying Throttle Position (TP) Sensor Terminals (Esteem, Swift & Vitara 1.6L & 2.0L)

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Identifying Throttle Position (TP) Sensor Terminals (Grand Vitara 2.5L)

Courtesy of GENERAL MOTORS CORP.

THROTTLE POSITION (TP) SENSOR RESISTANCE ⁽¹⁾

Application

Ohms

Esteem & Swift

Between Terminals No. 1 & 2

2500-6000

Between Terminals No. 1 & 3

⁽²⁾⁽³⁾ 100-20,000

Vitara 1.6L & 2.0L

Between Terminals 1 & 3

4000-6000

Between Terminals 1 & 2

⁽²⁾ 20-6000

Grand Vitara

Between Terminals No. 1 & 3

4000-6000

Between Terminals No. 2 & 3

⁽²⁾ 0-4600

⁽¹⁾	See Fig 1 or Fig 2 for terminal identification.

⁽²⁾	Varies according to throttle position.

⁽³⁾	There should be more than 2000 ohms difference between idle and wide open throttle resistance.

On Grand Vitara 2.5L, if resistance is not as specified, adjust TP sensor. See THROTTLE POSITION (TP) SENSOR - GRAND VITARA 2.5L V6 in ON-VEHICLE ADJUSTMENTS article. If resistance is not as specified after adjustment, replace TP sensor. For further diagnostic procedures, see appropriate SELF-DIAGNOSTICS article.