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.
( + ) Wastegate Vacuum Sensor Connector, Harness Side | ( - ) PCM Connector, Harness Side |
|---|---|
WVS - Pin 3 | WVS |
SIGRTN - Pin 2 | SIGRTN |
Are the resistances less than 5 ohms?
Yes | No |
|---|---|
GO to HN7 . | REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test. |
HN7 CHECK FOR A SHORT TO GROUND
Note: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
• Ignition OFF.
• For TCBY,
• Measure the resistance between:
( + ) TCBY Valve Connector, Harness Side | ( - ) |
|---|---|
TCBY | Ground |
• For TCBY2,
• Measure the resistance between:
( + ) TCBY2 Valve Connector, Harness Side | ( - ) |
|---|---|
TCBY2 - Pin 2 | Ground |
• For turbocharger wastegate regulating valve solenoid,
• Measure the resistance between:
( + ) Turbocharger Wastegate Regulating Valve Solenoid Connector, Harness Side | ( - ) |
|---|---|
TCWRVS | Ground |
• For wastegate vacuum sensor,
• Measure the resistance between:
( + ) Wastegate Vacuum Sensor Connector, Harness Side | ( - ) |
|---|---|
WVS - Pin 3 | Ground |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to HN8 . |
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.