Pinpoint Test DW: Heated Oxygen Sensor (Ho2S): Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2016 Lincoln Navigator, 2016 Lincoln MKZ, 2016 Lincoln MKX, 2016 Lincoln MKT, and 2016 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.
This pinpoint test is intended to diagnose the following:
- exhaust leaks
- HO2S (9G444)
- harness circuits: HO2S11, HO2S12, HO2S22, HTR12, HTR22, VPWR and SIGRTN
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| EcoSport 1.6L | A | 1 2 4 3 |
HTR11 VPWR SIGRTN HO2S11 |
| All other vehicles | B | 2 1 3 4 |
HTR11 VPWR SIGRTN HO2S11 |
Heated Oxygen Sensor Bank 1, Sensor 2 (HO2S12) Connector
The pin numbering for the connector is in reference to the connector lock tab. Not all connector key combinations are shown.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L, Fiesta TiVCT 1.6L |
A | 1 2 4 3 |
HTR12 VPWR SIGRTN HO2S12 |
| Edge 2.0L, Expedition, Explorer 2.3L, F-150 GTDI 3.5L, Focus 1.0L, Focus 2.3L, Fusion 1.5L, MKX 2.0L, Mustang 2.3L, Navigator |
C | 2 1 3 4 |
HTR12 VPWR SIGRTN HO2S12 |
| Escape/Kuga 1.6L, Fiesta GTDI 1.6L, Transit Connect 1.6L |
D | 2 1 3 4 |
HTR12 VPWR SIGRTN HO2S12 |
| KA 1.5L | A | 2 1 4 3 |
HTR12 VPWR SIGRTN HO2S12 |
| All other vehicles | B | 2 1 3 4 |
HTR12 VPWR SIGRTN HO2S12 |
The pin numbering for the connector is in reference to the connector lock tab. Not all connector key combinations are shown.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L | A | 1 2 4 3 |
HTR22 VPWR SIGRTN HO2S22 |
| Expedition, F-150 GTDI 3.5L, Navigator |
C | 2 1 3 4 |
HTR22 VPWR SIGRTN HO2S22 |
| All other vehicles | B | 2 1 3 4 |
HTR22 VPWR SIGRTN HO2S22 |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L | 190-PIN | T48 T18 B58 T20 B58 T16 |
HTR22 HTR12 SIGRTN HO2S22 SIGRTN HO2S12 |
| EcoSport 2.0L Manual Transmission, EcoSport 1.6L |
80 PIN | B39 B30 B38 B49 B23 B12 |
HTR22 HTR12 SIGRTN HO2S12 SIGRTN HO2S11 |
| EcoSport 2.0L Automatic Transmission | 128 PIN | E14 E2 E41 E29 E40 E28 |
HTR12 HTR11 SIGRTN HO2S12 SIGRTN HO2S11 |
| Edge 2.0L, Escape/Kuga 1.6L, Escape/Kuga 2.0L, Explorer 2.3L, Focus 2.3L, Fusion 1.5L, Fusion 2.0L, MKT 2.0L, MKZ 2.0L, Mustang 2.3L, Taurus 2.0L, Transit Connect 1.6L |
198 PIN | B1 B38 B57 |
HTR12 SIGRTN HO2S12 |
| Edge 2.7L, Expedition, Explorer GTDI 3.5L, F-150 2.7L, F-150 GTDI 3.5L, Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, MKX 2.7L, Navigator, Taurus GTDI 3.5L, Transit 3.5L |
198 PIN | B61 B1 B37 B56 B38 B57 |
HTR22 HTR12 SIGRTN HO2S22 SIGRTN HO2S12 |
| Escape/Kuga 2.5L, Fusion 2.5L |
190-PIN | T49 T41 T29 |
HTR12 SIGRTN HO2S12 |
| F-650/F-750 | 198 PIN | E78 B71 B72 |
HTR12 SIGRTN HO2S12 |
| F-Series Super Duty 6.2L | 190-PIN | T49 T47 T26 T27 T26 T18 |
HTR22 HTR12 SIGRTN HO2S22 SIGRTN HO2S12 |
| F-Series Super Duty 6.8L | 190-PIN | T48 T26 T26 T30 |
HTR12 SIGRTN SIGRTN HO2S12 |
| Fiesta GTDI 1.6L, Fiesta 1.0L, Focus 1.0L, MKX 2.0L |
198 PIN | B1 B37 B57 |
HTR12 SIGRTN HO2S12 |
| Fiesta TiVCT 1.6L | 128 PIN | E35 E9 E21 |
HTR12 SIGRTN HO2S12 |
| Focus GDI 2.0L | 154 PIN | B20 B21 B48 |
HTR12 SIGRTN HO2S12 |
| Focus GTDI 2.0L, MKC |
198 PIN | B1 B37 B56 |
HTR12 SIGRTN HO2S12 |
| KA | 128 PIN | E36 E20 E8 E19 E7 E20 |
HTR12 HTR11 SIGRTN HO2S12 SIGRTN HO2S11 |
| MKZ 3.7L | 190-PIN | T48 T49 E49 T40 E49 T29 |
HTR22 HTR12 SIGRTN HO2S22 SIGRTN HO2S12 |
| Transit Connect 2.5L | 198 PIN | E92 B71 B72 |
HTR12 SIGRTN HO2S12 |
| All other vehicles | 198 PIN | E83 E78 B90 B91 B71 B72 |
HTR22 HTR12 SIGRTN HO2S22 SIGRTN HO2S12 |