1. Turn ON the ignition.
2. Measure the voltage between terminal 4 and ground.

Does the voltage measure within the specified value?

11-14 V

Go to Step 3

Go to Step 2

1. Inspect the connector and the circuit for any wiring or terminal problems.
2. Repair any problems found.

Did you complete the repair?

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System OK

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1. Using the Intake Air Actuator Control Table measure the voltage at the specified terminals of the specified motor connectors.
2. Change the mode settings and observe the voltage changes. Refer to Intake Control Table .

Does the voltage meausure equal to the specified values?

--

Go to Step 4

Go to Step 5

Replace the mode control actuator.

Did you complete the repair?

--

System OK

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1. Using the Intake Air Actuator Control Table measure the voltage at the specified terminals of the specified controllers connectors.
2. Change the mode settings and observe the voltage changes. Refer to Intake Control Table .

Does the voltage meausure equal to the specified values?

--

Go to Step 6

Go to Step 7

1. Inspect the wiring harness and connectors between the controller and the motor that is not performing properly.
2. Repair or replace the wiring harness or the defective terminal.

Did you complete the repair?

--

System OK

--

Inspect the connector at the controller.

Is there a defective terminal?

--

Go to Step 8

Go to Step 9

Repair or replace the terminal.

Did you complete the repair?

--

System OK

--

Replace the controller.

Did you complete the repair?

--

System OK

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