Diamante V6-3.5L SOHC (2003)
Operation check
1. Remove the throttle body.
2. Remove the stepper motor.
3. Connect the special tool MD998463 to the idle air control motor connector.
4. Connect the positive (+) terminal of a power supply (approximately 6 V) to the white clip and the green clip.
5. Connect the negative (-) terminal of the power supply to each clip as described in the following steps. Then check whether or not the stepper motor
vibrates slightly as it operates.
1. Connect the negative (-) terminal of the power supply to the red and black clip.
2. Connect the negative (-) terminal of the power supply to the blue and black clip.
3. Connect the negative (-) terminal of the power supply to the blue and yellow clip.
4. Connect the negative (-) terminal of the power supply to the red and yellow clip.
5. Connect the negative (-) terminal of the power supply to the red and black clip.
6. Repeat the tests in the sequence from (5) to (1) to test opposite movement of the IAC.
6. If vibration is detected during the test, the stepper motor can be considered normal.