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.
Is the resistance less than 5 ohms?
Yes | No |
|---|---|
INSTALL a new IMRC solenoid. REFER to the Workshop Manual Section 303-01, Engine. | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
HU23 CHECK THE VREF CIRCUIT FOR AN OPEN
• Ignition OFF.
• For DTCs P2004, P2006, or P2014,
• IMRC1 Sensor connector disconnected.
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) IMRC1 Sensor Connector, Harness Side | ( - ) IMRC1 Sensor Connector, Harness Side |
|---|---|
VREF - Pin 2 | SIGRTN - Pin 3 |
• For all others,
• IMRC2 Sensor connector disconnected.
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) IMRC2 Sensor Connector, Harness Side | ( - ) IMRC2 Sensor Connector, Harness Side |
|---|---|
VREF - Pin 2 | SIGRTN - Pin 3 |
Is the voltage between 4.5 - 5.5 V?
Yes | No |
|---|---|
GO to HU24 . | GO to Pinpoint Test C . |
HU24 CHECK THE IMRCM CIRCUIT FOR AN OPEN
• Ignition OFF.
• PCM connector disconnected.
• For DTCs P2004, P2006, or P2014,
• Measure the resistance between:
( + ) IMRC1 Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
IMRC1 - Pin 1 | IMRC1 |
• For all others,
• Measure the resistance between:
( + ) IMRC2 Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
IMRC2 - Pin 1 | IMRC2 |
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.