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Standard Ignition AC401 Idle Air Control Valve
| Brand | Standard Ignition AC401 |
|---|---|
| Terminal Type | Blade Terminals |
| Fits | Toyota and Lexus · 12 vehicles |
Idle air control valve. Regulates airflow to help maintain a steady idle.
Blade terminals. Six-terminal, female-connector design for straightforward electrical connection.
Cross-references Standard Ignition AC401, TYC 30030 and 2-29556 for the same application. See all 5.
Idle Air Control Valve for Toyota and Lexus
Standard Ignition AC401 is an idle air control valve for select Toyota Land Cruiser and Lexus LX450 applications. It is built with a female connector, male blade terminals, and a 6-terminal layout for the specified vehicle electrical connection.
Key Features
- Idle Air Control Valve for air and fuel delivery systems
- Female connector with male blade terminals
- 6-terminal electrical interface
- Direct-fit application coverage for select Toyota Land Cruiser and Lexus LX450 models
- Standard Ignition AC401 replacement part number
Application Details
Fits 1996-1998 Toyota Land Cruiser, N/A. Fits 1995-1998 Toyota Land Cruiser, N/A. Fits 1996-1997 Lexus LX450, N/A. Fits 1995 Toyota Land Cruiser, N/A. This part cross-references TYC 30030 for the same application. Standard Ignition AC401 is also referenced by 2-29556 and 2227066011.
What This Part Helps Address
- Unstable or fluctuating idle speed
- Idle speed that is too high or too low
- Stalling when the engine returns to idle
- Rough idle after startup or during warm operation
- Idle control faults related to the valve or electrical connection
Installation Notes and Tips
Verify connector style, terminal count, and blade-terminal configuration before installation. Confirm the vehicle year and application details for your Toyota Land Cruiser or Lexus LX450, since fitment varies by model year and production date. Inspect the throttle body and related intake passages during replacement to help ensure proper idle control operation.
Quality Assurance
Standard Ignition supplies replacement ignition and engine management components for service applications. AC401 is listed with defined connector and terminal specifications to support accurate part matching for the intended vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Toyota | Land Cruiser | — | — | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1998 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Compatible with various car models. |
| 1997 | Lexus | LX450 | 4.5L | L6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1997 | Lexus | LX450 | 4.5L | L6 | N/A | Compatible with various car models. |
| 1997 | Toyota | Land Cruiser | — | — | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1997 | Toyota | Land Cruiser | 4.5L | L6 | N/A | Compatible with various car models. |
| 1996 | Lexus | LX450 | 4.5L | L6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1996 | Lexus | LX450 | 4.5L | L6 | N/A | Compatible with various car models. |
| 1996 | Toyota | Land Cruiser | — | — | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1996 | Toyota | Land Cruiser | 4.5L | L6 | N/A | Compatible with various car models. |
| 1995 | Toyota | Land Cruiser | 4.5L | L6 | N/A | From 1/95; Primary |
| 1995 | Toyota | Land Cruiser | 4.5L | L6 | N/A | Compatible with various car models. |
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