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.
Original table alignment retained · Scroll horizontally if needed
DK16 CHECK THE APP SENSOR CIRCUITS FOR A SHORT
• Ignition OFF.
• Measure the resistance between:
( + ) APP Sensor Connector, Harness Side | ( - ) APP Sensor Connector, Harness Side |
|---|---|
APP1 | APP2 |
APP1 | APPVREF1 |
APP1 | APPVREF2 |
APP1 | APPRTN1 |
APP1 | APPRTN2 |
APP2 | APPVREF1 |
APP2 | APPVREF2 |
APP2 | APPRTN1 |
APP2 | APPRTN2 |
Are the resistances greater than 10K ohms?
Yes | No |
|---|---|
GO to DK18 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
DK17 CHECK THE APP CIRCUITS FOR A SHORT
• Ignition OFF.
• Measure the resistance between:
( + ) APP Sensor Connector, Harness Side | ( - ) APP Sensor Connector, Harness Side |
|---|---|
APP1 | APP2 |
APP1 | APPVREF2 |
APP1 | APPRTN2 |
APP2 | APPVREF2 |
APP2 | APPRTN2 |
Are the resistances greater than 10K ohms?
Yes | No |
|---|---|
GO to DK18 . | REPAIR the open circuit. 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.