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.
( + ) MAP/CACT Sensor Connector, Harness Side | ( - ) MAP/CACT Sensor Connector, Harness Side |
|---|---|
VREF - Pin 3 | SIGRTN - Pin 1 |
• For the MAP/IAT2 sensor,
• MAP/IAT2 Sensor connector disconnected.
• Measure the voltage between:
( + ) MAP/IAT2 Sensor Connector, Harness Side | ( - ) MAP/IAT2 Sensor Connector, Harness Side |
|---|---|
MAP | SIGRTN |
• For the MAPT sensor,
• MAPT Sensor connector disconnected.
• Measure the voltage between:
( + ) MAPT Sensor Connector, Harness Side | ( - ) MAPT Sensor Connector, Harness Side |
|---|---|
VREF | SIGRTN |
• For the TCBP sensor,
• TCBP Sensor connector disconnected.
• Measure the voltage between:
( + ) TCBP Sensor Connector, Harness Side | ( - ) TCBP Sensor Connector, Harness Side |
|---|---|
VREF | SIGRTN |
• For the TCBP/CACT sensor,
• TCBP/CACT Sensor connector disconnected.
• Measure the voltage between:
( + ) TCBP/CACT Sensor Connector, Harness Side | ( - ) TCBP/CACT Sensor Connector, Harness Side |
|---|---|
VREF | SIGRTN |
• Ignition ON, engine OFF.
Is the voltage between 4.5 - 5.5 V?
Yes | No |
|---|---|
GO to DM4 . | GO to Pinpoint Test C . |
DM4 CHECK FOR AN OPEN
• Ignition OFF.
• PCM connector disconnected.
• For the MAP sensor,
• Measure the resistance between:
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.