Disassembly

Throttle Body:

1. Remove throttle position sensor -- do not disassemble sensor.
2. Remove idle air control motor -- do not disassemble the motor.
3. Remove Idle air control motor C-ring.

CAUTION: Do not remove the throttle valve from the throttle body.

4. Check if the vacuum port or passage is clogged.
- Use compressed air to clean the vacuum passage.
5. Reverse procedure to install.

CAUTION:
IF
The throttle body or IAC motor has been replaced

OR
The IAC motor related circuit has been opened during engine running or IAC motor operation test

THEN
Use a scan tool to reset the IAC.