Pinpoint Test 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 |
|---|---|---|---|
| Continental 3.7L, E-Series, Edge 3.5L, Explorer 3.7L, Explorer TiVCT 3.5L, F-150 TiVCT 3.5L, F-150 5.0L, F-650/F-750, F-Series Super Duty 6.8L, Flex TiVCT 3.5L, Fusion 2.5L, MKT 3.7L, MKX 3.7L, Motorhome/Stripped Chassis/Step Van, Mustang 3.7L, Mustang 5.0L, Mustang 5.2L, Taurus 3.7L, Taurus TiVCT 3.5L, Transit 3.7L, Transit Connect |
A | 6 1 5 4 2 |
UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| Escape/Kuga 2.5L | B | 3 4 1 2 5 |
UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| Escape/Kuga 1.5L | C | 6 2 4 1 5 3 |
UO2SPCT UO2SPC VPWR UO2SGREF UO2S UO2SHTR |
| Fiesta GTDI 1.6L | D | 5 1 4 2 6 3 |
UO2SPCT 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 |
|---|---|---|---|
| Continental 2.0L, Edge 2.0L, Escape/Kuga 2.0L, Explorer 2.3L, Focus 1.0L, Focus GTDI 2.0L, Focus 2.3L, Fusion 1.5L, Fusion 2.0L, MKC, MKT 2.0L, MKX 2.0L, MKZ 2.0L, Mustang 2.3L, Taurus 2.0L |
198 PIN | E64 E49 E14 E63 E48 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Continental 2.7L, Continental 3.0L, Edge 2.7L, Expedition, Explorer GTDI 3.5L, Flex GTDI 3.5L, Ford GT, Fusion 2.7L, MKT 3.5L, MKX 2.7L, MKZ 3.0L, Navigator, Taurus GTDI 3.5L, Transit 3.5L |
198 PIN | E64 E62 E49 E47 E14 E15 E63 E61 E48 E46 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| Escape/Kuga 1.5L | 198 PIN | E51 E37 E76 E52 E53 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Escape/Kuga 2.5L | 198 PIN | E27 E26 E69 E23 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 |
| F-150 2.7L | 198 PIN | E64 E62 E49 E47 E14 E15 E62 E63 E48 E46 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| F-150 GTDI 3.5L | 198 PIN | E64 E66 E49 E51 E44 E11 E62 E63 E47 E48 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| F-Series Super Duty 6.2L | 198 PIN | E50 E51 E20 E21 E79 E84 E35 E36 E65 E66 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 UO2SPCT11 UO2SPCT21 |
| Fiesta GTDI 1.6L, Fiesta 1.0L |
198 PIN | E26 E25 E1 E39 E40 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Fiesta TiVCT 1.6L | 128 PIN | E7 E19 E47 E8 E20 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Focus GDI 2.0L | 154 PIN | E89 E65 E72 E64 E88 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 UO2SPCT11 |
| Fusion 2.5L | 198 PIN | E36 E21 E93 E6 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 |
| Transit Connect | 198 PIN | E35 E21 E93 E6 |
UO2S11 UO2SGREF11 UO2SHTR11 UO2SPC11 |
| All other vehicles | 198 PIN | E50 E51 E20 E21 E79 E84 E35 E36 |
UO2S11 UO2S21 UO2SGREF11 UO2SGREF21 UO2SHTR11 UO2SHTR21 UO2SPC11 UO2SPC21 |