Pinpoint Test B: Powertrain Control Module (Pcm) Power Relay: Introduction
This pinpoint test is intended to diagnose the following:
- harness circuits: B+, INJPWRM, ISP-R, PCMRC, and VPWR
- PCM power relay (12A646)
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| EcoSport 1.6L, KA 1.5L |
A | 1 | VPWR |
| Fiesta | B | 1 | VPWR |
| All other vehicles | B | 2 | VPWR |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| EcoSport, Escape/Kuga |
A | 5 2 1, 3 |
VPWR PCMRC B+ |
| Edge, F-150, Fusion, MKX, MKZ |
B | 5 1 2, 3 |
VPWR PCMRC B+ |
| Expedition, Focus, KA, MKC, Navigator, Transit, Transit Connect |
C | 5 2 1, 3 |
VPWR PCMRC B+ |
| F-650/F-750, F-Series Super Duty, Motorhome/Stripped Chassis/Step Van |
A | 5 1 2, 3 |
VPWR PCMRC B+ |
| Mustang | D | 3 2 1, 5 |
VPWR PCMRC B+ |
| All other vehicles | B | 5 2 1, 3 |
VPWR PCMRC B+ |
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 | B21 B30, B67, B68 B42 B38 |
INJPWRM VPWR ISP-R PCMRC |
| E-Series 6.8L, Edge 3.5L, F-150 TiVCT 3.5L, F-150 5.0L, F-650/F-750, Mustang 5.0L, Mustang 5.2L, Taurus 3.7L, Transit 3.7L |
198 PIN | B97, B99 B64 B20 |
VPWR ISP-R PCMRC |
| EcoSport 2.0L Manual Transmission, EcoSport 1.6L |
80 PIN | B2 B43 B29 |
VPWR ISP-R PCMRC |
| EcoSport 2.0L Automatic Transmission | 128 PIN | B11, B12, B31 B8 B1 |
VPWR ISP-R PCMRC |
| Escape/Kuga 2.5L | 190-PIN | B67, B68 B42 B38 |
VPWR ISP-R PCMRC |
| Explorer TiVCT 3.5L, Explorer 3.7L, MKX 3.7L, Motorhome/Stripped Chassis/Step Van, Mustang 3.7L |
198 PIN | E18 B97, B99 B64 B20 |
INJPWRM VPWR ISP-R PCMRC |
| F-Series Super Duty, Fusion 2.5L, MKZ 3.7L |
190-PIN | B21 B67, B68 B42 B38 |
INJPWRM VPWR ISP-R PCMRC |
| Fiesta TiVCT 1.6L | 128 PIN | B11, B12, E13, E37 B8 B1 |
VPWR ISP-R PCMRC |
| Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, Taurus GTDI 3.5L |
198 PIN | B21 B101, B102, B103 B48 B58 |
INJPWRM VPWR ISP-R PCMRC |
| Flex TiVCT 3.5L, MKS 3.7L, MKT 3.7L, Taurus TiVCT 3.5L |
198 PIN | B21 B97, B99 B64 B20 |
INJPWRM VPWR ISP-R PCMRC |
| Focus GDI 2.0L | 154 PIN | B5, B6 B15 B27 |
VPWR ISP-R PCMRC |
| KA | 128 PIN | E29 B36, E24 B45 B37 |
INJPWRM VPWR ISP-R PCMRC |
| Transit Connect 2.5L | 198 PIN | B97, B99 B41 B20 |
VPWR ISP-R PCMRC |
| All other vehicles | 198 PIN | B101, B102, B103 B48 B58 |
VPWR ISP-R PCMRC |