MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Powertrain Control-Emissions Diagnosis

HN: Turbocharger System HN: Introduction

Powertrain Control-Emissions Diagnosis

Ford gasoline diagnostic supplementReference 5,173 / 6,619HTML edition
← Chapter contentsProcedure contents

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.

• Measure the voltage between:

( + ) TCBY2 Valve Connector, Harness Side

( - )

VPWR - Pin 1

Ground

• For turbocharger wastegate regulating valve solenoid,

• Turbocharger Wastegate Regulating Valve Solenoid connector disconnected.

• Ignition ON, engine OFF.

• Measure the voltage between:

( + ) Turbocharger Wastegate Regulating Valve Solenoid Connector, Harness

Side

( - )

VPWR

Ground

Is the voltage greater than 10.5 V?

Yes

No

GO to HN6 .

REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test.

HN6 CHECK FOR AN OPEN

Note: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.

• Ignition OFF.

• PCM connector disconnected.

• For TCBY,

• Measure the resistance between:

( + ) TCBY Valve Connector, Harness Side

( - ) PCM Connector, Harness Side

TCBY

TCBY

• For TCBY2,

• Measure the resistance between:

( + ) TCBY2 Valve Connector, Harness Side

( - ) PCM Connector, Harness Side

TCBY2 - Pin 2

TCBY2

• For turbocharger wastegate regulating valve solenoid,

• Measure the resistance between:

( + ) Turbocharger Wastegate Regulating Valve Solenoid

Connector, Harness Side

( - ) PCM Connector,

Harness Side

TCWRVS

TCWRVS

• For wastegate vacuum sensor,

• Measure the resistance between:

Source reference 5173

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.