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.
HTR22 | VPWR |
Is the resistance between 2 - 30 ohms?
Yes | No |
|---|---|
GO to DW17 . | INSTALL a new HO2S. REFER to the Workshop Manual Section 303-14, Electronic Engine Controls. RESET the keep alive memory (KAM). REFER to Section 2, Resetting The Keep Alive Memory (KAM). REPEAT the self-test. |
DW17 CHECK THE HEATER CIRCUIT FOR AN INTERNAL SHORT TO GROUND
• For HO2S11,
• Measure the resistance between:
( + ) HO2S11 Connector, Component Side | ( - ) HO2S11 Connector, Component Side |
|---|---|
HTR11 | SIGRTN |
• Measure the resistance between:
( + ) HO2S11 Connector, Component Side | ( - ) |
|---|---|
HTR11 | Ground |
• For HO2S12,
• Measure the resistance between:
( + ) HO2S12 Connector, Component Side | ( - ) HO2S12 Connector, Component Side |
|---|---|
HTR12 | SIGRTN |
• Measure the resistance between:
( + ) HO2S12 Connector, Component Side | ( - ) |
|---|---|
HTR12 | Ground |
• For HO2S22,
• Measure the resistance between:
( + ) HO2S22 Connector, Component Side | ( - ) HO2S22 Connector, Component Side |
|---|---|
HTR22 | SIGRTN |
• Measure the resistance between:
( + ) HO2S22 Connector, Component Side | ( - ) |
|---|
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.