Pinpoint Test QA: Unable to Activate Self-Test/Network Communication Error: Introduction
This pinpoint test is intended to diagnose the following:
- unable to communicate with powertrain control module (PCM)
- unable to activate the PCM self-test
- incorrect self-test procedure
- harness circuits: ISP-R, PCMRC, PWRGND and VPWR
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series, Explorer GTDI 3.5L, F-Series Super Duty 6.8L, Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, Motorhome/Stripped Chassis/Step Van, Taurus GTDI 3.5L |
A | 3 2 |
ETCRTN ETCREF |
| Escape/Kuga 1.6L, Fiesta 1.6L, Fusion 1.6L, Transit Connect 1.6L |
B | 2 6 |
ETCRTN ETCREF |
| Fiesta 1.0L, Focus 1.0L, Fusion 1.5L |
B | 3 1 |
ETCRTN ETCREF |
| All other vehicles | C | 4 5 |
ETCRTN ETCREF |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 6.8L, F-650/F-750, F-Series Super Duty, Motorhome/Stripped Chassis/Step Van |
190-PIN | B69, B70 B67, B68 B38 B42 |
PWRGND VPWR PCMRC ISP-R |
| E-Series 5.4L | 190-PIN | B22, B50, B69, B70 B30, B67, B68 B38 B42 |
PWRGND VPWR PCMRC ISP-R |
| Edge 3.5L, F-150 TiVCT 3.5L, F-150 5.0L, Mustang 3.7L, Mustang 5.0L |
198 PIN | B100, B102, B103, B5 B97, B99 B20 B64 |
PWRGND VPWR PCMRC ISP-R |
| Escape/Kuga 2.5L, Explorer 3.7L, Explorer TiVCT 3.5L, Flex TiVCT 3.5L, Fusion 2.5L, MKS 3.7L, MKT 3.7L, MKX, MKZ 3.7L, Taurus TiVCT 3.5L, Taurus 3.7L, Transit 3.7L, Transit Connect 2.5L |
190-PIN | B50, B69, B70 B67, B68 B38 B42 |
PWRGND VPWR PCMRC ISP-R |
| Explorer 2.0L | 154 PIN | B1, B2, B4 B5, B6 B27 B15 |
PWRGND VPWR PCMRC ISP-R |
| Fiesta GTDI 1.6L, Fiesta 1.0L, Focus 1.0L |
198 PIN | B96, B97, B99 B101, B102, B103 B58 B48 |
PWRGND VPWR PCMRC ISP-R |
| Fiesta TiVCT 1.6L | 128 PIN | B35, B36, B47, B48 B11, B12, E13, E37 B1 B8 |
PWRGND VPWR PCMRC ISP-R |
| All other vehicles | 198 PIN | B96, B97, B98, B99 B101, B102, B103 B58 B48 |
PWRGND VPWR PCMRC ISP-R |