1999 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE

Throttle Position (TP) Sensor

For terminal identification and testing procedures, see ENGINE SENSORS & SWITCHES in appropriate SYSTEM & COMPONENT TESTING article.

AVALON TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
3.0L Fully Closed VTA & E2 200-6300
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
CAMRY & CAMRY SOLARA TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
2.2L 4-Cyl. Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
3.0L V6 Fully Closed VTA & E2 200-6300
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
CELICA TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
2.2L Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
COROLLA TP SENSOR RESISTANCE SPECIFICATIONS

Application Throttle Position Terminals Ohms
1.8L Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
LAND CRUISER TP SENSOR RESISTANCE SPECIFICATIONS

Application Terminals Ohms
4.7L VC & E2 (1) 1250-2350
(1) Resistance at 68Β°F (20Β°C).
RAV4 TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
2.0L Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
SIENNA TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
3.0L Fully Closed VTA & E2 200-6300
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
TACOMA TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
2.4L 4-Cyl. & 2.7L 4-Cyl. Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
3.4L V6 Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
(1) Apply vacuum to throttle opener before checking TP sensor.
4RUNNER TP SENSOR RESISTANCE SPECIFICATIONS (1)

Application Throttle Position Terminals Ohms
2.7L 4-Cyl. Fully Closed VTA & E2 200-5700
Fully Open VTA & E2 2000-10,200
VC & E2 2500-5900
3.4L V6 Fully Closed VTA & E2 280-6400
Fully Open VTA & E2 2000-11,600
VC & E2 2700-7700
(1) Apply vacuum to throttle opener before checking TP sensor.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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