Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
Clear the PCM DTCs. REPEAT the self-test. | DIAGNOSE performance while driving concerns. |
HU9 VISUAL INSPECTION OF THE INTAKE MANIFOLD TUNING VALVE
• Inspect the component for signs of damage.
• Check the harness and connection.
Is a concern present?
Yes | No |
|---|---|
REPAIR as necessary. Clear the PCM DTCs. REPEAT the self-test. | GO to HU10 . |
HU10 CHECK THE VPWR CIRCUIT FOR AN OPEN
• IMTV Actuator connector disconnected.
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) IMTV Actuator Connector, Harness Side | ( - ) Vehicle Battery |
|---|---|
VPWR | Negative terminal |
Is the voltage greater than 10.5 V?
Yes | No |
|---|---|
GO to HU11 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
HU11 CHECK THE IMTV CIRCUIT FOR AN OPEN
• Ignition OFF.
• PCM connector disconnected.
• Measure the resistance between:
( + ) IMTV Actuator Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
IMTV | IMTV |
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
GO to HU12 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.