Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2006XB L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSIDLE SPEED/THROTTLE ACTUATOR - ELECTRONICSERVICE AND REPAIR
2006 Scion xB L4-1.5L (1NZ-FE)
Idle Speed/Throttle Actuator - Electronic: Service and Repair
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Service and Repair
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE THROTTLE BODY ASSEMBLY
a. Remove the throttle body.
3. REMOVE IDLE AIR CONTROL VALVE ASSEMBLY
a. Remove the 3 screws, valve and gasket.
INSTALLATION
1. INSTALL IDLE AIR CONTROL VALVE ASSEMBLY
a. Install a new gasket and the valve with the 3 screws.
Torque: 3.4 N.m (35 kgf.cm, 30 in.lbf)
2. INSTALL THROTTLE BODY ASSEMBLY
a. Install the throttle body.
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE THROTTLE BODY ASSEMBLY
a. Remove the throttle body.
3. REMOVE IDLE AIR CONTROL VALVE ASSEMBLY
a. Remove the 3 screws, valve and gasket.
INSTALLATION
1. INSTALL IDLE AIR CONTROL VALVE ASSEMBLY
a. Install a new gasket and the valve with the 3 screws.
Torque: 3.4 N.m (35 kgf.cm, 30 in.lbf)
2. INSTALL THROTTLE BODY ASSEMBLY
a. Install the throttle body.
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.