Pinpoint Tests QA: Unable To Activate Self-Test/Network Communication Error: Introduction
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- unable to communicate with the PCM
- unable to activate the PCM self-test
- incorrect self-test procedure
- harness circuits: ISP-R, PCMRC, PWRGND and VPWR
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Bronco Sport 1.5L, | A | 3 | ETCRTN |
| EcoSport 1.5L, | 1 | ETCREF | |
| EcoSport 1.0L, | |||
| Escape/Kuga 1.5L, | |||
| KA, | |||
| Transit Connect 1.0L | |||
| All other vehicles | B | 4 | ETCRTN |
| 5 | |||
| ETCREF |
Powertrain Control Module (PCM) Connector
For PCM connector views or Reference values, Refer to Reference Values.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Bronco Sport, | 198 PIN | B96, B97, B98, B99 | PWRGND |
| Corsair 2.0L, | B100, B101, B102 | ||
| VPWR | |||
| Corsair 2.3L, | B25 | ||
| PCMRC | |||
| Edge 2.0L, | B64 | ||
| ISP-R | |||
| Escape/Kuga 1.5L, | |||
| Escape/Kuga 2.0L, | |||
| Explorer 2.3L, | |||
| Mustang 2.3L, | |||
| Ranger 2.3L | |||
| Continental, | 198 PIN | B96, B97, B98, B99 | PWRGND |
| EcoSport 1.0L, | B101, B102, B103 | VPWR | |
| EcoSport 2.0L, | B58 | ||
| PCMRC | |||
| Ford GT | B48 | ISP-R | |
| Corsair 2.5L, | 198 PIN | B100, B102, B103, B5 | PWRGND |
| EcoSport 1.5L Automatic Transmission, | B97, B99 | ||
| Escape/Kuga 2.5L, Transit Connect 2.5L | VPWR | ||
| B20 | |||
| PCMRC | |||
| B41 | ISP-R | ||
| EcoSport 1.5L Manual Transmission, | 112 PIN | B49, B50, B51 | PWRGND |
| KA 1.2L, | B55, B56 | VPWR | |
| KA 1.5L Manual Transmission | B25 | ||
| PCMRC | |||
| B43 | |||
| ISP-R | |||
| Edge 2.7L, | 306 PIN | B96, B97, B98, B99 | PWRGND |
| Nautilus 2.7L | B1, B16, B2 | ||
| B60 | VPWR | ||
| PCMRC | |||
| B13 | |||
| ISP-R | |||
| Expedition High Output, | 198 PIN | B96, B97, B98, B99 | PWRGND |
| Navigator High Output | B101, B102, B103 | ||
| B25 | VPWR | ||
| B48 | PCMRC | ||
| ISP-R | |||
| F-150 | 306 PIN | B46, B47, B61, B62, B76, B77 | PWRGND |
| B16, B17, B2 | VPWR | ||
| B74 | PCMRC | ||
| B25 | ISP-R | ||
| KA 1.0L | 128 PIN | B48, E12, T23, T31, T32 | PWRGND |
| B36, E24 | VPWR | ||
| B37 | |||
| PCMRC | |||
| B45 | |||
| ISP-R | |||
| KA 1.5L Automatic Transmission | 198 PIN | B100, B102, B103, B5 | PWRGND |
| B97, B99 | |||
| B20 | VPWR | ||
| B43 | PCMRC | ||
| ISP-R | |||
| Motorhome/Stripped Chassis/Step Van | 306 PIN | B46, B47, B61, B62, B76 | PWRGND |
| B1, B16, B2 | VPWR | ||
| B60 | PCMRC | ||
| B13 | ISP-R | ||
| Mustang 5.2L Supercharged | 306 PIN | B46, B47, B61, B62, B76, B77 | PWRGND |
| B1, B16, B2 | VPWR | ||
| B20 | PCMRC | ||
| B64 | ISP-R | ||
| Mustang TiVCT 5.2L | 198 PIN | B100, B102, B103, B5 | PWRGND |
| B1, B16, B2 | VPWR | ||
| B20 | PCMRC | ||
| B64 | ISP-R | ||
| Nautilus 2.0L | 198 PIN | B96, B97, B98, B99 | PWRGND |
| B100, B101, B102 | |||
| B58 | VPWR | ||
| B64 | PCMRC | ||
| ISP-R | |||
| Ranger 2.5L | 128 PIN | B35, B36, B47, B48 | PWRGND |
| B11, B12 | VPWR | ||
| B1 | PCMRC | ||
| B8 | ISP-R | ||
| Transit GTDI 3.5L | 306 PIN | B46, B47, B61, B62, B76, B77 | PWRGND |
| B101, B102, B103 | VPWR | ||
| B58 | PCMRC | ||
| B13 | ISP-R | ||
| Transit Connect 1.0L, | 198 PIN | B96, B97, B98, B99 | PWRGND |
| Transit Connect 2.0L | B100, B101, B102 | VPWR | |
| B25 | PCMRC | ||
| All other vehicles | 306 PIN | B46, B47, B61, B62, B76, B77 | PWRGND |
| B1, B16, B2 | VPWR | ||
| B60 | PCMRC | ||
| B13 | ISP-R |