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.
HK4 CHECK THE VCT SOLENOID RESISTANCE
• Ignition OFF.
• Disconnect the VCT solenoid related to the current DTC.
• Measure the resistance between:
( + ) VCT Solenoid Connector, Component Side | ( - ) VCT Solenoid Connector, Component Side |
|---|---|
VCT | VPWR |
Is the resistance between 5 - 14 ohms?
Yes | No |
|---|---|
GO to HK5 . | INSTALL a new VCT solenoid. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls. Clear the PCM DTCs. REPEAT the self-test. |
HK5 CHECK THE VCT SOLENOID FOR INTERNAL SHORTS
• Measure the resistance between:
( + ) VCT Solenoid Connector, Component Side | ( - ) |
|---|---|
VCT | Ground |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to HK6 . | INSTALL a new VCT solenoid. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls. Clear the PCM DTCs. REPEAT the self-test. |
HK6 CHECK THE VPWR CIRCUIT FOR AN OPEN
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) VCT Solenoid Connector, Harness Side | ( - ) |
|---|---|
VPWR | Ground |
Is the voltage greater than 10.5 V?
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.