Pinpoint Test H: Fuel Control: 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.
This pinpoint test is intended to diagnose the following:
- HO2S (9G444)
- universal HO2S (9Y460)
- fuel injectors (9F593)
- harness circuits: HO2S12, HO2S22, HTR12, HTR22, SIGRTN, UO2SPC and VPWR
- vacuum systems
- PCM (12A650)
For additional information on heated oxygen sensor (HO2S), refer to CATALYST AND EXHAUST SYSTEMS .
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 |
|---|---|---|---|
| Continental 2.0L, Edge 2.0L, Escape/Kuga 1.5L, Expedition, Explorer 2.3L, F-150 GTDI 3.5L, Focus 1.0L, Focus 2.3L, Ford GT, Fusion 1.5L, MKX 2.0L, Mustang 2.3L, Navigator |
A | 2 1 3 4 |
HTR12 VPWR SIGRTN HO2S12 |
| Fiesta GTDI 1.6L | C | 2 1 3 4 |
HTR12 VPWR SIGRTN HO2S12 |
| Fiesta TiVCT 1.6L | D | 1 2 4 3 |
HTR12 VPWR SIGRTN HO2S12 |
| KA 1.5L | D | 2 1 4 3 |
HTR12 VPWR SIGRTN HO2S12 |
| All other vehicles | B | 2 1 3 4 |
HTR12 VPWR SIGRTN HO2S12 |
Heated Oxygen Sensor Bank 2, Sensor 2 (HO2S22) 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 |
|---|---|---|---|
| Expedition, F-150 GTDI 3.5L, Ford GT, Navigator |
A | 2 1 3 4 |
HTR22 VPWR SIGRTN HO2S22 |
| All other vehicles | B | 2 1 3 4 |
HTR22 VPWR SIGRTN HO2S22 |
| 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 | UO2SPC |
| Escape/Kuga 2.5L | B | 3 | UO2SPC |
| Escape/Kuga 1.5L | C | 2 | UO2SPC |
| Fiesta GTDI 1.6L | D | 1 | UO2SPC |
| All other vehicles | C | 1 | UO2SPC |
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 2.3L, Fusion 1.5L, Fusion 2.0L, MKT 2.0L, MKZ 2.0L, Mustang 2.3L, Taurus 2.0L |
198 PIN | E63 B101, B102, B103 B1 B38 B57 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| 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 | E61 E63 B61 B37 B56 B101, B102, B103 B1 B38 B57 |
UO2SPC21 UO2SPC11 HTR22 SIGRTN HO2S22 VPWR HTR12 SIGRTN HO2S12 |
| EcoSport 2.0L Manual Transmission, EcoSport 1.6L |
80 PIN | B39 B2 B30 B38 B49 |
HTR22 VPWR HTR12 SIGRTN HO2S12 |
| EcoSport 2.0L Automatic Transmission | 128 PIN | B11, B12, B31 E14 E41 E29 |
VPWR HTR12 SIGRTN HO2S12 |
| Escape/Kuga 1.5L | 198 PIN | E52 B101, B102, B103 B100 B73 B74 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Escape/Kuga 2.5L | 198 PIN | E23 B97, B99 E92 E73 E72 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| F-150 2.7L | 198 PIN | E63 E62 B61 B37 B56 B101, B102, B103 B1 B38 B57 |
UO2SPC21 UO2SPC11 HTR22 SIGRTN HO2S22 VPWR HTR12 SIGRTN HO2S12 |
| F-150 GTDI 3.5L | 198 PIN | E63 E62 B78 B94 B95 B101, B102, B103 B1 B75 B76 |
UO2SPC21 UO2SPC11 HTR22 SIGRTN HO2S22 VPWR HTR12 SIGRTN HO2S12 |
| F-650/F-750, F-Series Super Duty 6.8L |
198 PIN | E36 E35 B97, B99 E78 B71 B72 |
UO2SPC21 UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Fiesta GTDI 1.6L, Fiesta 1.0L |
198 PIN | E39 B101, B102, B103 B1 B37 B57 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Fiesta TiVCT 1.6L | 128 PIN | E8 B11, B12, E13, E37 E35 E9 E21 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Focus 1.0L, MKX 2.0L |
198 PIN | E63 B101, B102, B103 B1 B37 B57 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Focus GDI 2.0L | 154 PIN | E64 B5, B6 B20 B21 B48 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Focus GTDI 2.0L, MKC |
198 PIN | E63 B101, B102, B103 B1 B37 B56 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| Fusion 2.5L | 198 PIN | E6 B67, B68 E92 B71 B72 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| KA | 128 PIN | B36, E24 E36 E8 E19 |
VPWR HTR12 SIGRTN HO2S12 |
| Transit Connect | 198 PIN | E6 B97, B99 E92 B71 B72 |
UO2SPC11 VPWR HTR12 SIGRTN HO2S12 |
| All other vehicles | 198 PIN | E36 E35 E83 B90 B91 B97, B99 E78 B71 B72 |
UO2SPC21 UO2SPC11 HTR22 SIGRTN HO2S22 VPWR HTR12 SIGRTN HO2S12 |