MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Powertrain Control-Emissions Diagnosis

HU: Intake Air Systems HU: Introduction

Powertrain Control-Emissions Diagnosis

Ford gasoline diagnostic supplementReference 5,196 / 6,619HTML edition
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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.

HU15 CHECK THE IMTV PCM DRIVER CIRCUIT WHEN COMMANDED ON

• Connect a non-powered test lamp between:

Point A IMTV Actuator Connector, Harness

Side

Point B IMTV Actuator Connector, Harness

Side

VPWR

IMTV

• Carry out the PCM KOEO self-test.

Does the test lamp illuminate?

Yes

No

GO to HU16 .

GO to HU29 .

HU16 CHECK THE IMTV FOR DAMAGE

• Ignition OFF.

• Remove the IMTV. Refer to the Workshop Manual Section 303-01, Engine or Section 303-14, Electronic Engine Controls.

• Visually inspect the shutter for damage.

• Manually rotate the shutter.

Is a concern present?

Yes

No

INSTALL a new IMTV actuator. REFER to the Workshop Manual Section 303-01, Engine.

Clear the PCM DTCs. REPEAT the self-test.

GO to HU17 .

HU17 CHECK THE IMTV FOR FUNCTIONALITY WHEN COMMANDED ON

• IMTV Actuator connector connected.

• Carry out the PCM KOEO self-test.

Does the IMTV shutter rotate?

Yes

No

The concern is an intermittent.

GO to Pinpoint Test Z .

INSTALL a new IMTV actuator. REFER to the Workshop Manual Section 303-01, Engine.

Clear the PCM DTCs. REPEAT the self-test.

HU18 VISUAL INSPECTION FOR DISCONNECTED IMRC LINKAGE

• Inspect the IMRC for any disconnected or damaged linkages.

• Inspect the IMRC solenoid and vacuum lines for correct connection, damage, vacuum leaks or restrictions.

• Disconnect the IMRC linkage.

• Inspect the linkage for restrictions. Spring tension in one direction is normal.

Source reference 5196

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.