PINPOINT TEST H: Fuel Control: Introduction
WARNING:
Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to part 419-03 for Important Safety Warnings. Failure to follow these instructions may result in personal injury.
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:
- HO2S/O2S (9F472)
- HO2S/O2S (9G444)
- fuel injector(s) (9F593)
- harness circuits: HO2S, HO2S Heater, VPWR, and SIGRTN
- vacuum systems
- powertrain control module (PCM) (12A650)
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 |
|---|---|---|---|
| Crown Victoria, F-150, Grand Marquis, Mark LT, Mustang, Ranger, Town Car |
A | 2 4 3 1 |
VPWR SIGRTN HO2S Signal HO2S Heater |
| Focus | B | 1 3 4 2 |
VPWR SIGRTN HO2S Signal HO2S Heater |
| All other vehicles | C | 1 3 4 2 |
VPWR SIGRTN HO2S Signal HO2S Heater |
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 |
|---|---|---|---|
| Escape/Mariner, F-150, Mark LT |
A | 1 3 4 2 |
VPWR SIGRTN HO2S Signal HO2S Heater |
| Focus | B | 1 3 4 2 |
VPWR SIGRTN HO2S Signal HO2S Heater |
| All other vehicles | C | 2 4 3 1 |
VPWR SIGRTN HO2S Signal HO2S Heater |
| Pin | Circuit |
|---|---|
| 1 | UO2SPC (Universal Oxygen Sensor Pumping Current) |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 6.8L, E-Series 5.4L Cutaway or stripped chassis |
170 Pin | T48 E70 B38 T47 E69 T25 E29 B14 T24 E28 B35 B41, E58, T41 |
HTR22 HTR21 HTR13 HTR12 HTR11 HO2S22 HO2S21 HO2S13 HO2S12 HO2S11 VPWR SIGRTN |
| Edge, MKX, Sable, Taurus, Taurus X |
190 Pin | E2 E70 E1 E69 E24 E28 E23 E29 B51 B58, E58 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| Escape/Mariner 3.0L | 150 (50-50-50) Pin | T48 E48 T47 E49 T25 E26 T24 E30 B35 B41, E41, T41 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| Escape/Mariner 2.3L | 150 (50-50-50) Pin | T47 E49 T24 E30 B35 B41, E41, T41 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Expedition, Navigator |
140 Pin | B11 E70 B10 E69 B40 E28 B39 E29 B51 B58, E58 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| F-150, Mark LT |
190 Pin | T12 E70 T1 E69 T21 E28 T22 E29 B51 B58, E58, T43 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| F-Super Duty 6.8L Narrow frame | 170 Pin | E70 B38 E69 E29 B14 E28 B35 B41, E58, T41 |
HTR21 HTR13 HTR11 HO2S21 HO2S13 HO2S11 VPWR SIGRTN |
| Focus 2.0L PZEV | 190 Pin | T25 T18 E52 T7 T16 E11 B67 B58, E64, T40 |
HTR13 HTR12 HTR11 HO2S13 HO2S12 HO2S11 VPWR SIGRTN |
| Focus 2.0L | 190 Pin | T18 E52 T16 E11 B67 B58, E64, T40 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Fusion 3.0L, Milan 3.0L, MKZ |
140 Pin | E24 E70 E23 E69 E4 E29 E3 E28 B51 B58, E58 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| Fusion 2.3L, Milan 2.3L |
140 Pin | E23 E69 E3 E28 B51 B58, E58 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Fusion 2.3L PZEV, Milan 2.3L PZEV |
140 Pin | E25 E23 E69 E5 E3 E28 B51 B58, E58 |
HTR13 HTR12 HTR11 HO2S13 HO2S12 HO2S11 VPWR SIGRTN |
| Ranger 2.3L | 170 Pin | T47 E69 T24 E28 B35 B41, E58, T41 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Sable PZEV, Taurus PZEV, Taurus X PZEV |
190 Pin | E6 E4 B51 B58, E58 |
UO2SPC21 UO2SPC11 VPWR SIGRTN |
| All other vehicles | 170 Pin | T48 E70 T47 E69 T25 E29 T24 E28 B35 B41, E58, T41 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |