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.
HN8 CHECK FOR A SHORT TO VOLTAGE
Note: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
• Ignition ON, engine OFF.
• For TCBY,
• Measure the voltage between:
( + ) TCBY Valve Connector, Harness Side | ( - ) |
|---|---|
TCBY | Ground |
• For TCBY2,
• Measure the voltage between:
( + ) TCBY2 Valve Connector, Harness Side | ( - ) |
|---|---|
TCBY2 - Pin 2 | Ground |
• For turbocharger wastegate regulating valve solenoid,
• Measure the voltage between:
( + ) Turbocharger Wastegate Regulating Valve Solenoid Connector, Harness Side | ( - ) |
|---|---|
TCWRVS | Ground |
• For wastegate vacuum sensor,
• Measure the voltage between:
( + ) Wastegate Vacuum Sensor Connector, Harness Side | ( - ) |
|---|---|
WVS - Pin 3 | Ground |
Is any voltage present?
Yes | No |
|---|---|
REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. | For DTCs P1011, P1012, P1013, P1014, P1015 or P1016, GO to HN10 . For all others, GO to HN9 . |
HN9 CHECK THE COMPONENT RESISTANCE
Note: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
• Ignition OFF.
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.