Except Esteem 1.8L

WARNING: This page is about a different car, the 2002 Suzuki XL-7, 2002 Suzuki Vitara, 2002 Suzuki Grand Vitara, 2002 Suzuki Esteem, and 2002 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Identifying Throttle Position Sensor Terminals (Esteem 1.6L & Vitara)

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Identifying Throttle Position Sensor Terminals (Grand Vitara & XL-7)

Courtesy of GENERAL MOTORS CORP.

THROTTLE POSITION SENSOR RESISTANCE

Application

Ohms

Esteem (1.6L)

Between Terminals No. 1 & 2

2500-6000

Between Terminals No. 1 & 3

At Idle

100

At Wide Open Throttle

⁽¹⁾ 20,000

Grand Vitara, Vitara & XL-7

Between Terminals No. 1 & 3

4000-6000

Between Terminals No. 1 & 2 (Vitara & XL-7)

At Idle

At Wide Open Throttle

6000

Between Terminals No. 2 & 3 (Grand Vitara)

At Idle

At Wide Open Throttle

4600

⁽¹⁾	Resistance should vary according to throttle opening.

If resistance is not as specified, adjust TP sensor. See THROTTLE POSITION (TP) SENSOR - AERIO, ESTEEM (1.8L), GRAND VITARA & XL-7 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.