Pinpoint Tests Dz: Universal Heated Oxygen Sensor (Ho2S): Introduction
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. 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 |
|---|---|---|---|
| Bronco Sport 2.0L, Corsair, Edge 2.0L, Escape/Kuga 2.0L, Escape/Kuga 2.5L, Explorer 2.3L, Explorer 3.3L, F-150 3.3L, F-150 5.0L, Mustang 5.0L, Mustang 5.2L Supercharged, Nautilus 2.0L, Ranger, Transit TiVCT 3.5L, Transit Connect 2.0L, Transit Connect 2.5L | A | 3 4 1 2 5 |
UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| Mustang TiVCT 5.2L | B | 6 1 5 4 2 |
UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| All other vehicles | C | 5 1 4 2 6 3 |
UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to Reference Values.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Bronco Sport 1.5L, Escape/Kuga 1.5L, Mustang 2.3L, Nautilus 2.0L, Transit Connect 1.0L | 198 PIN | E31 E32 E76 E33 E34 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Bronco Sport 2.0L, Corsair 2.0L, Corsair 2.3L, Edge 2.0L, Escape/Kuga 2.0L, Explorer 2.3L, Ranger, Transit Connect 2.0L | 198 PIN | E31 E32 E76 E33 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 |
| Continental, EcoSport 1.0L Automatic Transmission, EcoSport 2.0L | 198 PIN | E64 E49 E14 E63 E48 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Corsair 2.5L, Escape/Kuga 2.5L, Transit Connect 2.5L | 198 PIN | E36 E21 E93 E6 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 |
| EcoSport 1.0L Manual Transmission | 198 PIN | E26 E25 E1 E39 E40 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Expedition High Output, Navigator High Output | 198 PIN | E64 E66 E49 E51 E44 E11 E62 E63 E47 E48 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| Explorer 3.3L, Mustang 5.0L, Mustang 5.2L Supercharged, Transit TiVCT 3.5L | 306 PIN | T59 T60 T44 T45 T76 T46 T29 T30 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 |
| F-150 2.7L, F-150 3.5L | 306 PIN | T45 T42 T44 T43 T47 T46 T59 T57 T60 T58 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| F-150 3.3L, F-150 5.0L | 306 PIN | T45 T42 T44 T43 T47 T46 T59 T57 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 |
| Ford GT | 198 PIN | E64 E62 E49 E47 E14 E15 E63 E61 E48 E46 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| Mustang TiVCT 5.2L | 198 PIN | E51 E50 E21 E20 E84 E79 E36 E35 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 |
| All other vehicles | 306 PIN | T59 T60 T44 T45 T76 T46 T29 T30 T14 T15 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |