PINPOINT TEST QA: Unable to Activate Self-Test/Network Communication Error: Introduction: Notes
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 6.8L, E-Series 5.4L, Expedition, 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, Mustang 5.8L, Navigator, Taurus GTDI 3.5L |
A | 3 2 |
ETCRTN ETCREF |
| E-Series 4.6L | B | 2 3 |
ETCRTN ETCREF |
| Escape 1.6L, Fiesta 1.6L, Fusion 1.5L, Fusion 1.6L, Transit Connect 1.6L |
C | 2 6 |
ETCRTN ETCREF |
| Fiesta 1.0L | C | 3 1 |
ETCRTN ETCREF |
| All other vehicles | D | 4 5 |
ETCRTN ETCREF |