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.
C15 CHECK THE REFERENCE VOLTAGE WITH THE IMRC1 SENSOR CONNECTED
Note: If the vehicle is not equipped with an IMRC1 sensor or if this sensor was used for the VREF measurement in C3, GO to C16 .
• Ignition OFF.
• IMRC1 Sensor connector connected.
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) Suspect Sensor Connector, Harness Side | ( - ) |
|---|---|
VREF | Ground |
Is the voltage between 4.5 - 5.5 V?
Yes | No |
|---|---|
GO to C16 . | INSTALL a new IMRC1 sensor. REFER to the Workshop Manual Section 303-01, Engine. Clear the PCM DTCs. REPEAT the self-test. |
C16 CHECK THE REFERENCE VOLTAGE WITH THE IMRC2 SENSOR CONNECTED
Note: If the vehicle is not equipped with an IMRC2 sensor or if this sensor was used for the VREF measurement in C3, GO to C17 .
• Ignition OFF.
• IMRC2 Sensor connector connected.
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) Suspect Sensor Connector, Harness Side | ( - ) |
|---|---|
VREF | Ground |
Is the voltage between 4.5 - 5.5 V?
Yes | No |
|---|---|
GO to C17 . | INSTALL a new IMRC2 sensor. REFER to the Workshop Manual Section 303-01, Engine. 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.