Pinpoint Tests DZ: Universal Heated Oxygen Sensor (HO2S): Introduction
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 |