PINPOINT TEST DZ: Universal Heated Oxygen Sensor (HO2S): Introduction
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. 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
- powertrain control module (PCM) (12A650)
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series | 190-PIN | E38 | UO2S11 |
| E39 | UO2S21 | ||
| E26 | UO2SGREF11 | ||
| E25 | UO2SGREF21 | ||
| E69 | UO2SHTR11 | ||
| E70 | UO2SHTR21 | ||
| E23 | UO2SPC11 | ||
| E24 | UO2SPC21 | ||
| E11 | UO2SPCT11 | ||
| E12 | UO2SPCT21 | ||
| Edge 3.5L, Edge 3.7L, Explorer 3.5L, F-150 3.7L, Fusion 3.0L, MKX, Mustang 3.7L | 190-PIN | E27 | UO2S11 |
| E10 | UO2S21 | ||
| E26 | UO2SGREF11 | ||
| E25 | UO2SGREF21 | ||
| E69 | UO2SHTR11 | ||
| E70 | UO2SHTR21 | ||
| E23 | UO2SPC11 | ||
| E24 | UO2SPC21 | ||
| E37 | UO2SPCT11 | ||
| E53 | UO2SPCT21 | ||
| Edge 2.0L, Explorer 2.0L, Focus | 154 PIN | E89 | UO2S11 |
| E65 | UO2SGREF11 | ||
| E72 | UO2SHTR11 | ||
| E64 | UO2SPC11 | ||
| E88 | UO2SPCT11 | ||
| Escape 3.0L | 190-PIN | E23 | UO2S11 |
| E24 | UO2S21 | ||
| E27 | UO2SGREF11 | ||
| E10 | UO2SGREF21 | ||
| E69 | UO2SHTR11 | ||
| E70 | UO2SHTR21 | ||
| E37 | UO2SPC11 | ||
| E53 | UO2SPC21 | ||
| E26 | UO2SPCT11 | ||
| E25 | UO2SPCT21 | ||
| Escape 2.5L | 190-PIN | E23 | UO2S11 |
| E27 | UO2SGREF11 | ||
| E69 | UO2SHTR11 | ||
| E37 | UO2SPC11 | ||
| E26 | UO2SPCT11 | ||
| F-150 3.5L | 198 PIN | E62 | UO2S11 |
| E64 | UO2S21 | ||
| E47 | UO2SGREF11 | ||
| E49 | UO2SGREF21 | ||
| E15 | UO2SHTR11 | ||
| E14 | UO2SHTR21 | ||
| E61 | UO2SPC11 | ||
| E63 | UO2SPC21 | ||
| E46 | UO2SPCT11 | ||
| E48 | UO2SPCT21 | ||
| Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, Taurus 4V 3.5L | 190-PIN | E18 | UO2S11 |
| E20 | UO2S21 | ||
| E19 | UO2SGREF11 | ||
| E21 | UO2SGREF21 | ||
| E69 | UO2SHTR11 | ||
| E70 | UO2SHTR21 | ||
| E4 | UO2SPC11 | ||
| E6 | UO2SPC21 | ||
| E5 | UO2SPCT11 | ||
| E7 | UO2SPCT21 | ||
| Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, Taurus GTDI 3.5L | 190-PIN | E9 | UO2S11 |
| E27 | UO2S21 | ||
| E25 | UO2SGREF11 | ||
| E26 | UO2SGREF21 | ||
| E70 | UO2SHTR11 | ||
| E69 | UO2SHTR21 | ||
| E11 | UO2SPC11 | ||
| E13 | UO2SPC21 | ||
| E10 | UO2SPCT11 | ||
| E12 | UO2SPCT21 | ||
| Fusion 2.5L | 190-PIN | E27 | UO2S11 |
| E26 | UO2SGREF11 | ||
| E69 | UO2SHTR11 | ||
| E23 | UO2SPC11 | ||
| E37 | UO2SPCT11 | ||
| All other vehicles | 190-PIN | T4 | UO2S11 |
| T39 | UO2S21 | ||
| T15 | UO2SGREF11 | ||
| T40 | UO2SGREF21 | ||
| T24 | UO2SHTR11 | ||
| T35 | UO2SHTR21 | ||
| T29 | UO2SPC11 | ||
| T28 | UO2SPC21 | ||
| T17 | UO2SPCT11 | ||
| T16 | UO2SPCT21 |