Pinpoint Test DZ: Universal Heated Oxygen Sensor (HO2S): Introduction: Notes
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 Lincoln Navigator, 2015 Lincoln MKZ, 2015 Lincoln MKX, 2015 Lincoln MKT, and 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
WHILE CONDUCTING TESTS ON A HOT ENGINE TAKE ALL SAFETY PRECAUTIONS TO PREVENT SKIN CONTACT WITH HOT ENGINE COMPONENTS. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
NOTE:
Only diagnose the suspect universal HO2S indicated by the DTC.
This pinpoint test is intended to diagnose the following:
- universal HO2S (9Y460)
- harness circuits: UO2S, UO2SGREF, UO2SHTR, UO2SPC, UO2SPCT, and VPWR
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Edge 3.5L, Escape/Kuga 2.5L, F-150 TiVCT 3.5L, F-150 5.0L, Fusion 2.5L, Mustang 3.7L, Mustang 5.0L, Transit Connect 2.5L |
A | 6 1 5 4 2 |
UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| Explorer 3.7L, Explorer TiVCT 3.5L, Flex TiVCT 3.5L, MKS 3.7L, MKT 3.7L, MKX, MKZ 3.7L, Taurus TiVCT 3.5L, Taurus 3.7L, Transit 3.7L |
B | 7 1 3 6 5 2 |
UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| All other vehicles | C | 5 1 4 2 6 3 |
UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR |