MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Powertrain Control-Emissions Diagnosis

DN: Pressure And Temperature Sensors DN: Introduction

Powertrain Control-Emissions Diagnosis

Ford gasoline diagnostic supplementReference 5,046 / 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.

IAT2

Ground

• For the TCBP/CACT sensor,

• Measure the resistance between:

( + ) TCBP/CACT Sensor Connector, Harness Side

( - )

CACT

Ground

Is the resistance greater than 10K ohms?

Yes

No

GO to DN5 .

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

DN5 CHECK FOR A SHORT TO VOLTAGE

• Ignition ON, engine OFF.

• For the IAT2 sensor,

• Measure the voltage between:

( + ) IAT2 Sensor Connector, Harness Side

( - )

IAT2 - Pin 1

Ground

• For the MAP/CACT sensor,

• Measure the voltage between:

( + ) MAP/CACT Sensor Connector, Harness Side

( - )

CACT - Pin 2

Ground

• For the MAP/IAT2 sensor,

• Measure the voltage between:

( + ) MAP/IAT2 Sensor Connector, Harness Side

( - )

IAT2

Ground

• For the TCBP/CACT sensor,

• Measure the voltage between:

( + ) TCBP/CACT Sensor Connector, Harness Side

( - )

CACT

Ground

Is any voltage present?

Yes

No

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

GO to DN6 .

Source reference 5046

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.