PINPOINT TEST H: Fuel Control: Introduction
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
CROWN VICTORIA POLICE INTERCEPTOR VEHICLES EQUIPPED WITH FIRE SUPPRESSION SYSTEM, REFER TO APPROPRIATE SERVICE INFORMATION 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)
For additional information on heated oxygen sensor (HO2S), refer to CATALYST AND EXHAUST SYSTEMS .
Heated Oxygen Sensor-Front (HO2S-Front) Connector
The pin numbering for the connector is in reference to the connector lock tab. Not all connector key combinations are shown in illustration.
Heated Oxygen Sensor-Rear (HO2S-Rear) Connector
The pin numbering for the connector is in reference to the connector lock tab. Not all connector key combinations are shown in illustration.
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria, Grand Marquis, Town Car | 170 PIN | T48 E70 T47 E69 T25 E29 T24 E28 B35, B36 E58, T41 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| E-Series 4.6L, Expedition, Navigator | 190-PIN | E24 E23 T48 T18 T20 T16 B67, B68 T40 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| E-Series 6.8L | 170 PIN | T48 E70 T47 E69 T25 E29 T24 E28 B35, B36 B41, E58, T41 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| E-Series 5.4L | 190-PIN | E24 E23 T48 T18 T20 T16 B67, B68 B58, T40 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| Edge, MKX | 190-PIN | E24 E23 T48 T49 T40 T29 B67, B68 E49 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| Escape / Mariner 3.0L, Fusion 3.0L, Milan 3.0L | 190-PIN | E53 E37 T48 T49 T40 T29 B67, B68 E49, T41 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| Escape / Mariner 2.5L Manual Transmission | 190-PIN | T49 E69 T29 E8 B67, B68 E49, T41 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Escape / Mariner 2.5L Automatic Transmission | 190-PIN | E37 T49 T29 B67, B68 T41 |
UO2SPC11 HTR12 HO2S12 VPWR SIGRTN |
| Explorer | 190-PIN | E24 E23 T49 T48 T40 T29 B67, B68 E49 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| F-150 3.7L | 190-PIN | E24 E23 T48 T49 T40 T29 B67, B68 T41 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| F-150 3.5L | 198 PIN | E63 E61 B61 B1 B56 B57 B101, B102, B103 B37, B38 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| F-Series Super Duty 6.8L | 190-PIN | T28 T29 T48 T30 B67, B68 T26 |
UO2SPC21 UO2SPC11 HTR12 HO2S12 VPWR SIGRTN |
| Fiesta | 128 PIN | E35 E47 E20 E21 B11, B12, B8 E8, E9 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, Taurus 4V 3.5L | 190-PIN | E6 E4 E2 E1 E24 E23 B51, B52, B53 E58 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, Taurus GTDI 3.5L | 190-PIN | E13 E11 T49 T48 T40 T29 B35, B36, B51 B56 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| Focus, Transit Connect | 190-PIN | T18 E52 T16 E11 B67, B68 T40 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Fusion 2.5L, Milan 2.5L | 190-PIN | E37 T49 E69 T29 E8 B67, B68 E49, T41 |
UO2SPC11 HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| Fusion 3.5L, MKZ | 140 PIN | E24 E70 E23 E69 E4 E28 E3 E29 B51, B52 E58 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR SIGRTN |
| Mustang 3.7L | 190-PIN | E24 E23 T22 T49 T40 T29 B67, B68 T41 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |
| Ranger 4.0L | 170 PIN | T48 E70 T47 E69 T25 E29 T24 E28 B35, B36 |
HTR22 HTR21 HTR12 HTR11 HO2S22 HO2S21 HO2S12 HO2S11 VPWR |
| Ranger 2.3L | 170 PIN | T47 E69 T24 E28 B35, B36 E58, T41 |
HTR12 HTR11 HO2S12 HO2S11 VPWR SIGRTN |
| All other vehicles | 190-PIN | T28 T29 T49 T47 T27 T18 B67, B68 T26 |
UO2SPC21 UO2SPC11 HTR22 HTR12 HO2S22 HO2S12 VPWR SIGRTN |