DTC P0661 Intake Manifold Tuning Valve Control Circuit Low |
DTC P0662 Intake Manifold Tuning Valve Control Circuit High |

| DTC No. | DTC Detection Condition | Trouble Area |
| P0661 | Open in intake air control valve actuator circuit (2 trip detection logic) |
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| P0662 | Motor operation circuit (ECM interior) detects overcurrent or overheat (2 trip detection logic) |
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| 1.PERFORM ACTIVE TEST BY INTELLIGENT TESTER (INTAKE AIR CONTROL VALVE ACTUATOR) |
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG) and turn the tester ON.
Enter the following menus: Powertrain / Engine / Active Test / Activate the VSV for Intake Control.
Check the operation of the intake air control valve actuator using the tester.
| Check ACIS | Check intake air control valve actuator | Proceed to |
| NG | NG | A |
| OK | OK | B |
| NG | OK | C |
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| A | |
| 2.INSPECT INTAKE AIR CONTROL VALVE ACTUATOR |
Inspect the intake air control valve actuator (see page Нажмите здесь)
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| OK | |
| 3.CHECK HARNESS AND CONNECTOR (INTAKE AIR CONTROL VALVE ACTUATOR - ECM) |
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Disconnect the E46 intake air control valve actuator connector.
Disconnect the E4 ECM connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
| E46-2 - E4-7 (ASM+) | Always | Below 1 Ω |
| E46-1 - E4-6 (ASM-) | Always |
| Tester Connection | Condition | Specified Condition |
| E46-2 or E4-7 (ASM+) - Body ground | Always | 10 kΩ or higher |
| E46-1 or E4-6 (ASM-) - Body ground | Always |
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| OK | ||
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